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CN107138039A - A kind of system for the VOCs that degrades - Google Patents

A kind of system for the VOCs that degrades Download PDF

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Publication number
CN107138039A
CN107138039A CN201710375769.5A CN201710375769A CN107138039A CN 107138039 A CN107138039 A CN 107138039A CN 201710375769 A CN201710375769 A CN 201710375769A CN 107138039 A CN107138039 A CN 107138039A
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parts
vocs
bacterium
mobile phase
degrades
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Inventor
毛敬英
陈志明
莫招育
杨俊超
李宏姣
黄炯丽
张达标
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Scientific Research Academy of Guangxi Environmental Protection
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Scientific Research Academy of Guangxi Environmental Protection
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/84Biological processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86Catalytic processes
    • B01D53/8678Removing components of undefined structure
    • B01D53/8687Organic components
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/04Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/10Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
    • B01J20/103Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate comprising silica
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00Catalysts comprising molecular sieves
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2251/00Reactants
    • B01D2251/95Specific microorganisms
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/70Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • B01D2257/708Volatile organic compounds V.O.C.'s
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
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  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
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  • Molecular Biology (AREA)
  • Materials Engineering (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)

Abstract

The invention discloses a kind of system for the VOCs that degrades, including vibrating type high-pressure installation, filtering ponds, bacterial fungus combined type reaction tank, the vibrating type high-pressure installation is connected with filtering ponds by pipeline A, and the filtering ponds are connected with bacterial fungus combined type reaction tank by pipeline B.Using the present invention be used for degrade VOCs system handle waste gas containing VOCs when to VOCs treatment effect preferably, degradation efficiency is up to more than 99%.

Description

A kind of system for the VOCs that degrades
【Technical field】
The invention belongs to VOCs Treatment process field, more particularly to a kind of system for the VOCs that degrades.
【Background technology】
Volatile organic matter, English name is volatile organic compounds, is abbreviated as VOCs, is in China Refer to saturated vapor pressure under normal temperature and be more than organic compound of the boiling point below 260 DEG C under 70Pa, normal pressure, or steamed under the conditions of 20 DEG C Vapour pressure, which is more than or equal to 10Pa, has corresponding volatile whole organic compounds.Most common VOCs has benzene, toluene, diformazan Benzene, styrene, trichloro ethylene, chloroform, trichloroethanes, diisocyanate etc..
VOCs belongs to atmosphere pollution, using air as propagation medium, and murder by poisoning is produced to human body by respiratory system and skin Effect.Administering VOCs main method at present has Physical, chemical method and bioanalysis.Wherein, Physical is not change VOCs Chemical property, its smell simply covered and diluted with a kind of material, or by it from gas phase is transferred to liquid phase or solid phase, is commonly used Administering method have masking method, dilution method and absorption process;Chemical method is the chemical constitution for changing VOCs by chemically reacting, and makes it It is changed into nonirritant or low irritant material, common method has combustion method, catalytic oxidation and acid & alkali liquid washing method;Physical It is with the shortcoming of chemical method more than device therefor and complex process, regenerate difficult after secondary pollution, subsequent processes are complicated, energy The problems such as consuming high.Biological rule is the metabolism using microorganism, and VOCs is decomposed and is oxidized to CO2、H2The inorganic matters such as O Reach purification purpose.Conventional biological treatment has biological filter and bio-trickling filter at present.
During Biochemical method VOCs, the microorganism fungus kind of selection is to influence one of key factor for the treatment of effect. Prior art typically using the activated sludge of sewage treatment plant as strain, the strain to the treatment effeciency of the waste gas containing VOCs compared with It is low, still need to further raising.
【The content of the invention】
The present invention provides a kind of system for the VOCs that degrades, to solve the work that prior art typically uses sewage treatment plant Property sludge is as strain, the problem of strain is relatively low to the treatment effeciency of the waste gas containing VOCs.
To solve above technical problem, the present invention provides following technical scheme:
A kind of system for the VOCs that degrades, including the reaction of vibrating type high-pressure installation, filtering ponds, bacteria-fungal combined type Pond, the vibrating type high-pressure installation is connected with filtering ponds by pipeline A, the filtering ponds and bacteria-fungal combined type reaction tank Connected by pipeline B, the vibrating type high-pressure installation includes vibrating type high-pressure installation air inlet, fills Ni-MH battery, the filtering Contain activated carbon, synthetic adsorbent, catalyst in pond, the bacteria-fungal combined type reaction tank includes mobile phase room and flowing Phase room gas outlet, the adjacent flow phase room is separated by dividing plate and forms inlet and outlet, and each mobile phase room is provided with temperature Probe sensor and pH electrodes, the temp probe sensor control mobile phase indoor temperature, the lower half of each mobile phase room It is divided into bacterium pond nutrient solution and the bacterium of Flowing liquid, bacterium can absorb hydrophilic pollutant, and the pH electrodes ensure bacterium The pH value of pond nutrient solution;Fungi culture medium and fungi are stained with the dividing plate of top half, fungi can absorb hydrophobic significantly Polluter;Can continuously it be added including pH buffer, inoculum, accelerator in Flowing liquid, while can quickly discharge The product of poisonous inhibition, keeps higher bacterial activity.
Further, the activated carbon, synthetic adsorbent, the mass ratio of catalyst are 18-35:2-4:1.
Further, the preparation method of the synthetic adsorbent, comprises the following steps:
(a) using the constituent content in X-ray fluorescence spectra analytic approach analysis blast furnace slag, and calculated by constituent content Mg/ (Mn+Si) is than being 0.05-0.09, and Mn/ (Mn+Si) is than being 0.187-0.213;
(b) regulation blast furnace slag Mg/ (Mn+Si) adds MgO and SiO than comparing with Mn/ (Mn+Si) in 1g blast furnace slags2Regulation Mg/ (Mn+Si) with Mn/ (Mn+Si) ratio than, respectively to 0.83-0.85 and 0.142-0.148, being made mixture A;
(c) into mixture A made from step b add 32-35mL deionized waters, in microwave power be 100-150W, temperature Spend for 30-35 DEG C, mixture B is made to stir 12-15min under 200-300r/min in rotating speed;
(d) mixture B made from step c is placed in reactor, reaction production is obtained in reacting 4-6h at 400-500 DEG C Thing, reaction product is washed with deionized water only, in being dried at 75-82 DEG C to moisture content≤0.6%, is made
Synthetic adsorbent.
Further, the preparation method of the catalyst, comprises the following steps:
(1) particle size is put for 0.03-0.2cm zeolite and soaks 0.7-1h in deionized water, be put into after taking-up 0.4-0.8h is boiled in heating in 6%-10% sulfuric acid solution, then is washed with deionized, until pH is 6.8-7.2, is placed in baking In drying 1.5-1.8h at 85-88 DEG C in case, cool down standby;
(2) 18-30mL tin tetrabromides solution is added drop-wise in 3-3.5 times of absolute ethyl alcohol with 1 drop/s speed, be added dropwise Stirred in journey by 300-500r/min of rotating speed, be configured to A liquid;Take the palladium salt solution 2- that mass concentration is 0.2%-0.6% 4mL, is added drop-wise in 5-12mL absolute ethyl alcohols with 1-2 drops/s speed and is configured to B liquid, solution ph is adjusted to 1.2-2.4;Turning Speed is 350-450r/min, and temperature is controlled under the conditions of 42-46 DEG C, B liquid is slowly dropped in A liquid with the speed of 1 drop/2-4 seconds Temperature processed is 42-46 DEG C, continues stirring 6-8h with rotating speed 200-300r/min under lucifuge, is stood in air, until solution Viscosity is 4.2-5.8mPas, and colloidal sol is made;
(3) obtained colloidal sol in step 2 is fitted into spray gun, in 4-10Kg/cm2Under the drive of compressed air, with 2- 4mm/s translational speed is equably injected in the surface of zeolite, and the distance between spray gun and zeolite are 18-22cm;Then put quiet It is 3-5h at 38-42 DEG C to be placed in temperature, forms it into one layer of uniform gel film;Move into baking oven in 55-62 DEG C of drying 1.2-1.8h, is cooled to after room temperature, in muffle furnace, is 520-550 DEG C of roasting 2-2.5h in temperature, catalyst is made.
Further, the number of the mobile phase room is 4.
Further, bacterium pond nutrient solution is in units of parts by weight, including following raw material:24-36 parts of glucose, egg White 20-28 parts of peptone, 2-4 parts of calcium sulfate, 3-6 parts of potassium dihydrogen phosphate, 1-3 parts of dibastic sodium phosphate, 2-3 parts of magnesium sulfate, iron chloride 1-2 Part, 0.5-2 parts of ammonium chloride, 2-5 parts of potassium sulfate, 1-3 parts of zinc sulfate.
Further, the bacterium is in units of parts by weight, including following components:32-56 parts of sarcine, spirillum 15-34 parts, 20-35 parts of Brevibacillus laterosporus, 23-62 parts of Acinebobacter lwoffi, production 36-68 parts of indoles Chryseobacterium sp.
Further, the fungi culture medium is in units of parts by weight, including following raw material:120-160 parts of mung bean sprouts, fine jade 300-400 parts of fat, 8-12 parts of glucose, 12-15 parts of peptone, 3-6 parts of dipotassium hydrogen phosphate, 3-5 parts of sodium chloride, seven hydrated sulfuric acids 2-3 parts of magnesium, 1-3 parts of green vitriol, 500-600 parts of water;
Further, the preparation method of the fungi culture medium is as follows:Mung bean sprouts is cleaned, adds water and boils 28-32min;With Added in filtered through gauze, filtrate and glucose, peptone, dipotassium hydrogen phosphate, sodium chloride, seven hydrations are put into after agar, heating for dissolving Magnesium sulfate, green vitriol, stirring and dissolving, tune pH value is 7.3-7.5, and fungi culture medium is made in cooling, packing, sterilizing.
Further, the fungi is in units of parts by weight, including following components:38-62 parts of Mucor indicus, Pi Nuoka 20-42 parts of Salmonella, 12-16 parts of cladosporium, 8-12 parts of paecilomycerol, 4-9 parts of gliocladium germ.
The present invention has following effects:
Using preferable to VOCs treatment effect during the system processing waste gas containing VOCs for the VOCs that degrades of the invention, drop Efficiency is solved up to more than 99%;When containing activated carbon, synthetic adsorbent, catalyst simultaneously in filtering ponds, generated between three Synergy is favourable to promote degraded VOCs;The bacterium of mobile phase room is simultaneously short including sarcine, spirillum, side spore in system When bacillus, Acinebobacter lwoffi, production indoles Chryseobacterium sp, synergy is generated between five, it is favourable to promote degraded VOCs;The fungi of mobile phase room is simultaneously mould including Mucor indicus, skin Nocard's bacillus, cladosporium, paecilomycerol, viscous broom in system Synergy is generated during bacterium, between five, it is favourable to promote degraded VOCs.
【Brief description of the drawings】
Fig. 1 is the system structure diagram for the VOCs that degrades of the present invention,
In figure, 1 is vibrating type high-pressure installation, and 11 be vibrating type high-pressure installation air inlet, and 12 is fill Ni-MH battery, and 2 were Filter tank, 3 be bacteria-fungal combined type reaction tank, and 31 be mobile phase room, and 311 be dividing plate, and 3111 be import, and 3112 be outlet, 312 be temp probe sensor, and 313 be pH electrodes, and 32 be mobile phase room gas outlet.
【Embodiment】
For ease of more fully understanding the present invention, it is illustrated by following examples, these embodiments belong to the present invention's Protection domain, but do not limit the scope of the invention.
As shown in figure 1, in embodiment, the system for the VOCs that degrades, including vibrating type high-pressure installation 1, filtering Pond 2, bacteria-fungal combined type reaction tank 3, the vibrating type high-pressure installation 1 are connected with filtering ponds 2 by pipeline A, the filtering Pond 2 is connected with bacteria-fungal combined type reaction tank 3 by pipeline B, and the vibrating type high-pressure installation 1 press-fits including vibrating type height Put air inlet 11, fill Ni-MH battery 12, containing activated carbon, synthetic adsorbent, catalyst in the filtering ponds 2, the activated carbon, Synthetic adsorbent, the mass ratio of catalyst are 18-35:2-4:1, the bacteria-fungal combined type reaction tank 3 includes mobile phase room 31 and gas outlet 32, the number of the mobile phase room 31 is 4, and the adjacent flow phase room is separated by dividing plate 311 and forms import 3111 are provided with temp probe sensor 312 and pH electrodes 313 with outlet 3112, each mobile phase room, and the temp probe is passed Sensor 312 controls mobile phase indoor temperature, and the latter half of each mobile phase room is the bacterium pond nutrient solution of Flowing liquid and thin Bacterium, bacterium can absorb hydrophilic pollutant, and the pH electrodes 313 ensure the pH value of bacterium pond nutrient solution;Top half every Fungi culture medium and fungi are stained with plate, fungi can absorb in hydrophobic polluter, Flowing liquid significantly continuously to be added Plus pH buffer, inoculum, accelerator etc.;It can quickly discharge the product of poisonous inhibition simultaneously, keep higher thin Bacterium activity.
Vibrating type high-pressure installation carries out high pressure to waste gas and clicks on electric discharge so that a part of waste gas is ionized, and moment punctures Air and waste gas molecule, occurs a series of differentiation cracking reactions, produce high concentration, high intensity, the living radical of high-energy and Can occur a series of primitive physical reactions when various electronics, ion etc., molecular collision in the offgas, and produce during the course of the reaction The elemental oxygen given birth to various active free radical and ecological oxygen, i.e. ozone decomposed and produced;Living radical can be destroyed effectively respectively Kind of virus, the nucleic acid in bacterium, protein prevent it from being normally metabolized and biosynthesis, so as to cause its dead;And give birth to Organic exhaust gas molecule gas with foreign flavor can be decomposed or be reduced to low molecule innocuous substance by state oxygen rapidly;In addition, by plasma In ion and object polymerize suction-operated, the trickle organic exhaust gas particulate matter of as low as submicron order can be carried out effective Adsorption and sedimentation processing;Concentration is reduced, decomposed is, compared with small molecule, to add solubility, can greatly increase bacteria-fungal The dissolving and absorption (utilizing the waste gas of the ultraviolet light pre-treating high concentration of certain wave band) of combined type reaction tank
Using fungal organism degraded waste gas, fungi has larger specific surface area, had to dry environment or strong acid environment Stronger tolerance, shows the removal capacity to hydrophobicity VOCs more more preferable than bacterium.
The bacterium is in units of parts by weight, including following components:32-56 parts of sarcine, 15-34 parts of spirillum, side 20-35 parts of spore bacillus brevis, 23-62 parts of Acinebobacter lwoffi, 36-68 parts of indoles Chryseobacterium sp of production.
Bacterium pond nutrient solution is in units of parts by weight, including following raw material:24-36 parts of glucose, peptone 20-28 Part, 2-4 parts of calcium sulfate, 3-6 parts of potassium dihydrogen phosphate, 1-3 parts of dibastic sodium phosphate, 2-3 parts of magnesium sulfate, 1-2 parts of iron chloride, ammonium chloride 0.5-2 parts, 2-5 parts of potassium sulfate, 1-3 parts of zinc sulfate.
The fungi is in units of parts by weight, including following components:38-62 parts of Mucor indicus, skin Nocard's bacillus 20-42 Part, 12-16 parts of cladosporium, 8-12 parts of paecilomycerol, 4-9 parts of gliocladium germ.
The fungi culture medium is in units of parts by weight, including following raw material:120-160 parts of mung bean sprouts, agar 300-400 Part, 8-12 parts of glucose, 12-15 parts of peptone, 3-6 parts of dipotassium hydrogen phosphate, 3-5 parts of sodium chloride, 2-3 parts of bitter salt, 1-3 parts of green vitriol, 500-600 parts of water;The preparation method of the fungi culture medium is as follows:Mung bean sprouts is cleaned, is added water Boil 28-32min;With filtered through gauze, added in filtrate and glucose, peptone, phosphoric acid hydrogen two are put into after agar, heating for dissolving Potassium, sodium chloride, bitter salt, green vitriol, stirring and dissolving, tune pH value is 7.3-7.5, cools down, dispenses, goes out Bacterium, is made fungi culture medium.
The preparation method of the catalyst, comprises the following steps:
(1) particle size is put for 0.03-0.2cm zeolite and soaks 0.7-1h in deionized water, be put into after taking-up 0.4-0.8h is boiled in heating in 6%-10% sulfuric acid solution, then is washed with deionized, until pH is 6.8-7.2, is placed in baking In drying 1.5-1.8h at 85-88 DEG C in case, cool down standby;
(2) 18-30mL tin tetrabromides solution is added drop-wise in 3-3.5 times of absolute ethyl alcohol with 1 drop/s speed, be added dropwise Stirred in journey by 300-500r/min of rotating speed, be configured to A liquid;Take the palladium salt solution 2- that mass concentration is 0.2%-0.6% 4mL, is added drop-wise in 5-12mL absolute ethyl alcohols with 1-2 drops/s speed and is configured to B liquid, solution ph is adjusted to 1.2-2.4;Turning Speed is 350-450r/min, and temperature is controlled under the conditions of 42-46 DEG C, B liquid is slowly dropped in A liquid with the speed of 1 drop/2-4 seconds Temperature processed is 42-46 DEG C, continues stirring 6-8h with rotating speed 200-300r/min under lucifuge, is stood in air, until solution Viscosity is 4.2-5.8mPas, and colloidal sol is made;
(3) obtained colloidal sol in step 2 is fitted into spray gun, in 4-10Kg/cm2Under the drive of compressed air, with 2- 4mm/s translational speed is equably injected in the surface of zeolite, and the distance between spray gun and zeolite are 18-22cm;Then put quiet It is 3-5h at 38-42 DEG C to be placed in temperature, forms it into one layer of uniform gel film;Move into baking oven in 55-62 DEG C of drying 1.2-1.8h, is cooled to after room temperature, in muffle furnace, is 520-550 DEG C of roasting 2-2.5h in temperature, catalyst is made.
The preparation method of the synthetic adsorbent, comprises the following steps:
(a) using the constituent content in X-ray fluorescence spectra analytic approach analysis blast furnace slag, and calculated by constituent content Mg/ (Mn+Si) is than being 0.05-0.09, and Mn/ (Mn+Si) is than being 0.187-0.213;
(b) regulation blast furnace slag Mg/ (Mn+Si) adds MgO and SiO than comparing with Mn/ (Mn+Si) in 1g blast furnace slags2Regulation Mg/ (Mn+Si) with Mn/ (Mn+Si) ratio than, respectively to 0.83-0.85 and 0.142-0.148, being made mixture A;
(c) into mixture A made from step b add 32-35mL deionized waters, in microwave power be 100-150W, temperature Spend for 30-35 DEG C, mixture B is made to stir 12-15min under 200-300r/min in rotating speed;
(d) mixture B made from step c is placed in reactor, reaction production is obtained in reacting 4-6h at 400-500 DEG C Thing, reaction product is washed with deionized water only, and in being dried at 75-82 DEG C to moisture content≤0.6%, synthetic adsorbent is made.
The bioanalysis for the VOCs that degrades, comprises the following steps:
S1:Waste gas is led into vibrating type high-pressure installation, the vibrating type high-pressure installation carries out ionization process to the waste gas, Obtain mixed gas A;
S2:The mixed gas A that step S1 is obtained flows through filtering ponds and handled again, obtains mixed gas B;
S3:The mixed gas B that step S2 is obtained flows through bacteria-fungal combined type reaction tank and absorbed, the gaseous mixture Body B flows through bacteria-fungal combined type reaction tank and carries out absorbing what is be realized in:The mixed gas B flows into the first mobile phase Room, flows through the first half of the first mobile phase room after the bacterium in the Flowing liquid of the latter half of the first mobile phase room absorbs The fungi on dividing plate divided absorbs again, then the second mobile phase room is flowed into from baffled outlet, by under the second mobile phase room Fungi on the dividing plate for the top half that bacterium in the Flowing liquid of half part flows through the second mobile phase room after absorbing inhales again Receive, with this mixed gas after the bacterium and fungi of four mobile phase rooms absorb, gained mixed gas C goes out from mobile phase room Gas port is thrown into air.
Embodiment 1
As shown in Figure 1:A kind of system for the VOCs that degrades, including vibrating type high-pressure installation 1, filtering ponds 2, bacterium-true Bacterium combined type reaction tank 3, the vibrating type high-pressure installation 1 is connected with filtering ponds 2 by pipeline A, and the filtering ponds 2 and bacterium- Fungi combined type reaction tank 3 is connected by pipeline B, the vibrating type high-pressure installation 1 include vibrating type high-pressure installation air inlet 11, Fill in Ni-MH battery 12, the filtering ponds 2 contain activated carbon, synthetic adsorbent, catalyst, the activated carbon, synthetic adsorbent, The mass ratio of catalyst is 26:3:1, the bacteria-fungal combined type reaction tank 3 includes mobile phase room 31 and gas outlet 32, institute The number for stating mobile phase room 31 is 4, and the adjacent flow phase room is separated by dividing plate 311 and forms import 3111 and outlet 3112, Each mobile phase room is provided with temp probe sensor 312 and pH electrodes 313, the control of temp probe sensor 312 flowing Phase indoor temperature, the latter half of each mobile phase room is bacterium pond nutrient solution and the bacterium of Flowing liquid, the absorbable parent of bacterium Aqueous pollutant, the pH electrodes 313 ensure the pH value of bacterium pond nutrient solution;Fungi training is stained with the dividing plate of top half Base and fungi are supported, fungi can absorb significantly can continuously add pH buffer, bacterium training in hydrophobic polluter, Flowing liquid Nutrient solution, accelerator etc.;The product of poisonous inhibition can be quickly discharged simultaneously, keep higher bacterial activity.
Vibrating type high-pressure installation carries out high pressure to waste gas and clicks on electric discharge so that a part of waste gas is ionized, and moment punctures Air and waste gas molecule, occurs a series of differentiation cracking reactions, produce high concentration, high intensity, the living radical of high-energy and Can occur a series of primitive physical reactions when various electronics, ion etc., molecular collision in the offgas, and produce during the course of the reaction The elemental oxygen given birth to various active free radical and ecological oxygen, i.e. ozone decomposed and produced;Living radical can be destroyed effectively respectively Kind of virus, the nucleic acid in bacterium, protein prevent it from being normally metabolized and biosynthesis, so as to cause its dead;And give birth to Organic exhaust gas molecule gas with foreign flavor can be decomposed or be reduced to low molecule innocuous substance by state oxygen rapidly;In addition, by plasma In ion and object polymerize suction-operated, the trickle organic exhaust gas particulate matter of as low as submicron order can be carried out effective Adsorption and sedimentation processing;Concentration is reduced, decomposed is, compared with small molecule, to add solubility, can greatly increase bacteria-fungal The dissolving and absorption (utilizing the waste gas of the ultraviolet light pre-treating high concentration of certain wave band) of combined type reaction tank
Using fungal organism degraded waste gas, fungi has larger specific surface area, had to dry environment or strong acid environment Stronger tolerance, shows the removal capacity to hydrophobicity VOCs more more preferable than bacterium.
The bacterium is in units of parts by weight, including following components:40 parts of sarcine, 25 parts of spirillum, the short bud of side spore 28 parts of spore bacillus, 45 parts of Acinebobacter lwoffi, 47 parts of production indoles Chryseobacterium sp.
Bacterium pond nutrient solution is in units of parts by weight, including following raw material:30 parts of glucose, 25 parts of peptone, sulphur Sour 3 parts of calcium, 5 parts of potassium dihydrogen phosphate, 2 parts of dibastic sodium phosphate, 2 parts of magnesium sulfate, 2 parts of iron chloride, 1.4 parts of ammonium chloride, 4 parts of potassium sulfate, 2 parts of zinc sulfate.
The fungi is in units of parts by weight, including following components:45 parts of Mucor indicus, skin Nocard's bacillus 30 part, 15 parts of spore bacterium, 10 parts of paecilomycerol, 6 parts of gliocladium germ.
The fungi culture medium is in units of parts by weight, including following raw material:150 parts of mung bean sprouts, 350 parts of agar, grape Sugar 10 parts, 14 parts of peptone, 5 parts of dipotassium hydrogen phosphate, 4 parts of sodium chloride, 2 parts of bitter salt, 2 parts of green vitriol, 550 parts of water;The preparation method of the fungi culture medium is as follows:Mung bean sprouts is cleaned, adds water and boils 30min;With filtered through gauze, filtrate Glucose, peptone, dipotassium hydrogen phosphate, sodium chloride, bitter salt, seven hydrations are put into after middle addition agar, heating for dissolving Ferrous sulfate, stirring and dissolving, it is 7.4 to adjust pH value, cooling, packing, sterilizing, and fungi culture medium is made.
The preparation method of the catalyst, comprises the following steps:
(1) particle size is put for 0.1cm zeolite and soaks 0.9h in deionized water, 8% sulfuric acid is put into after taking-up 0.6h is boiled in heating in solution, then is washed with deionized, until pH is 7, is placed in baking oven in drying 1.7h at 87 DEG C, cools down It is standby;
(2) 25mL tin tetrabromides solution is added drop-wise in 3.2 times of absolute ethyl alcohols with 1 drop/s speed, during dropwise addition Stirred by 400r/min of rotating speed, be configured to A liquid;The palladium salt solution 3mL that mass concentration is 0.4% is taken, is dripped with 1 drop/s speed It is added in 9mL absolute ethyl alcohols and is configured to B liquid, solution ph is adjusted to 1.8;It is 400r/min in rotating speed, temperature is 45 DEG C of conditions Under, B liquid is slowly dropped in A liquid with the 1 drop speed of/3 seconds, it is 45 DEG C to control temperature, with rotating speed 200r/min under lucifuge Continue to stir 7h, stood in air, until solution viscosity is 5mPas, colloidal sol is made;
(3) obtained colloidal sol in step 2 is fitted into spray gun, in 8Kg/cm2Under the drive of compressed air, with 3mm/s's Translational speed is equably injected in the surface of zeolite, and the distance between spray gun and zeolite are 20cm;Then put and be statically placed in temperature and be 4h at 41 DEG C, forms it into one layer of uniform gel film;Move into baking oven in 58 DEG C of dry 1.5h, be cooled to after room temperature, in In muffle furnace, it is 540 DEG C of roasting 2.3h in temperature, catalyst is made.
The preparation method of the synthetic adsorbent, comprises the following steps:
(a) using the constituent content in X-ray fluorescence spectra analytic approach analysis blast furnace slag, and calculated by constituent content Mg/ (Mn+Si) is than being 0.201 for 0.08, Mn/ (Mn+Si) ratio;
(b) regulation blast furnace slag Mg/ (Mn+Si) adds MgO and SiO than comparing with Mn/ (Mn+Si) in 1g blast furnace slags2Regulation Mg/ (Mn+Si) ratios and Mn/ (Mn+Si) ratio respectively to 0.84 and 0.146, are made mixture A;
(c) 34mL deionized waters are added into mixture A made from step b, are 130W in microwave power, temperature is 32 DEG C, mixture B is made to stir 14min under 200r/min in rotating speed;
(d) mixture B made from step c is placed in reactor, obtains reaction product in reacting 5h at 450 DEG C, react Product is washed with deionized water only, is 0.6% in being dried at 80 DEG C to moisture content, synthetic adsorbent is made.
The bioanalysis for the VOCs that degrades, comprises the following steps:
S1:Waste gas is led into vibrating type high-pressure installation, the vibrating type high-pressure installation carries out ionization process to the waste gas, Obtain mixed gas A;
S2:The mixed gas A that step S1 is obtained flows through filtering ponds and handled again, obtains mixed gas B;
S3:The mixed gas B that step S2 is obtained flows through bacteria-fungal combined type reaction tank and absorbed, the gaseous mixture Body B flows through bacteria-fungal combined type reaction tank and carries out absorbing what is be realized in:The mixed gas B flows into the first mobile phase Room, flows through the first half of the first mobile phase room after the bacterium in the Flowing liquid of the latter half of the first mobile phase room absorbs The fungi on dividing plate divided absorbs again, then the second mobile phase room is flowed into from baffled outlet, by under the second mobile phase room Fungi on the dividing plate for the top half that bacterium in the Flowing liquid of half part flows through the second mobile phase room after absorbing inhales again Receive, with this mixed gas after the bacterium and fungi of four mobile phase rooms absorb, gained mixed gas C goes out from mobile phase room Gas port is thrown into air.
Embodiment 2
As shown in Figure 1:A kind of system for the VOCs that degrades, including vibrating type high-pressure installation 1, filtering ponds 2, bacterium-true Bacterium combined type reaction tank 3, the vibrating type high-pressure installation 1 is connected with filtering ponds 2 by pipeline A, and the filtering ponds 2 and bacterium- Fungi combined type reaction tank 3 is connected by pipeline B, the vibrating type high-pressure installation 1 include vibrating type high-pressure installation air inlet 11, Fill in Ni-MH battery 12, the filtering ponds 2 contain activated carbon, synthetic adsorbent, catalyst, the activated carbon, synthetic adsorbent, The mass ratio of catalyst is 18:2:1, the bacteria-fungal combined type reaction tank 3 includes mobile phase room 31 and gas outlet 32, institute The number for stating mobile phase room 31 is 4, and the adjacent flow phase room is separated by dividing plate 311 and forms import 3111 and outlet 3112, Each mobile phase room is provided with temp probe sensor 312 and pH electrodes 313, the control of temp probe sensor 312 flowing Phase indoor temperature, the latter half of each mobile phase room is bacterium pond nutrient solution and the bacterium of Flowing liquid, the absorbable parent of bacterium Aqueous pollutant, the pH electrodes 313 ensure the pH value of bacterium pond nutrient solution;Fungi training is stained with the dividing plate of top half Base and fungi are supported, fungi can absorb significantly can continuously add pH buffer, bacterium training in hydrophobic polluter, Flowing liquid Nutrient solution, accelerator etc.;The product of poisonous inhibition can be quickly discharged simultaneously, keep higher bacterial activity.
Vibrating type high-pressure installation carries out high pressure to waste gas and clicks on electric discharge so that a part of waste gas is ionized, and moment punctures Air and waste gas molecule, occurs a series of differentiation cracking reactions, produce high concentration, high intensity, the living radical of high-energy and Can occur a series of primitive physical reactions when various electronics, ion etc., molecular collision in the offgas, and produce during the course of the reaction The elemental oxygen given birth to various active free radical and ecological oxygen, i.e. ozone decomposed and produced;Living radical can be destroyed effectively respectively Kind of virus, the nucleic acid in bacterium, protein prevent it from being normally metabolized and biosynthesis, so as to cause its dead;And give birth to Organic exhaust gas molecule gas with foreign flavor can be decomposed or be reduced to low molecule innocuous substance by state oxygen rapidly;In addition, by plasma In ion and object polymerize suction-operated, the trickle organic exhaust gas particulate matter of as low as submicron order can be carried out effective Adsorption and sedimentation processing;Concentration is reduced, decomposed is, compared with small molecule, to add solubility, can greatly increase bacteria-fungal The dissolving and absorption (utilizing the waste gas of the ultraviolet light pre-treating high concentration of certain wave band) of combined type reaction tank
Using fungal organism degraded waste gas, fungi has larger specific surface area, had to dry environment or strong acid environment Stronger tolerance, shows the removal capacity to hydrophobicity VOCs more more preferable than bacterium.
The bacterium is in units of parts by weight, including following components:33 parts of sarcine, 15 parts of spirillum, the short bud of side spore 20 parts of spore bacillus, 25 parts of Acinebobacter lwoffi, 36 parts of production indoles Chryseobacterium sp.
Bacterium pond nutrient solution is in units of parts by weight, including following raw material:24 parts of glucose, 20 parts of peptone, sulphur Sour 2 parts of calcium, 3 parts of potassium dihydrogen phosphate, 1 part of dibastic sodium phosphate, 2 parts of magnesium sulfate, 1 part of iron chloride, 0.5 part of ammonium chloride, 2 parts of potassium sulfate, 1 part of zinc sulfate.
The fungi is in units of parts by weight, including following components:40 parts of Mucor indicus, skin Nocard's bacillus 20 part, 12 parts of spore bacterium, 8 parts of paecilomycerol, 4 parts of gliocladium germ.
The fungi culture medium is in units of parts by weight, including following raw material:120 parts of mung bean sprouts, 300 parts of agar, grape 8 parts of sugar, 12 parts of peptone, 3 parts of dipotassium hydrogen phosphate, 3 parts of sodium chloride, 2 parts of bitter salt, 1 part of green vitriol, water 500 parts;The preparation method of the fungi culture medium is as follows:Mung bean sprouts is cleaned, adds water and boils 28min;With filtered through gauze, in filtrate Add and glucose, peptone, dipotassium hydrogen phosphate, sodium chloride, bitter salt, seven hydration sulphur are put into after agar, heating for dissolving It is sour ferrous, stirring and dissolving, it is 7.3 to adjust pH value, cooling, packing, sterilizing, and fungi culture medium is made.
The preparation method of the catalyst, comprises the following steps:
(1) particle size is put for 0.03cm zeolite and soaks 0.7h in deionized water, 7% sulfuric acid is put into after taking-up 0.8h is boiled in heating in solution, then is washed with deionized, until pH is 6.8, is placed in baking oven in drying 1.8h at 85 DEG C, cold It is standby;
(2) 18mL tin tetrabromides solution is added drop-wise in 3 times of absolute ethyl alcohols with 1 drop/s speed, during dropwise addition with Rotating speed stirs for 300r/min, is configured to A liquid;The palladium salt solution 2mL that mass concentration is 0.2% is taken, is added dropwise with 1 drop/s speed B liquid is configured into 5mL absolute ethyl alcohols, solution ph is adjusted to 1.3;Rotating speed be 350r/min, temperature be 42 DEG C under the conditions of, B liquid is slowly dropped in A liquid with the 1 drop speed of/2 seconds, it is 42 DEG C to control temperature, is continued under lucifuge with rotating speed 200r/min 6h is stirred, is stood in air, until solution viscosity is 4.3mPas, colloidal sol is made;
(3) obtained colloidal sol in step 2 is fitted into spray gun, in 5Kg/cm2Under the drive of compressed air, with 2mm/s's Translational speed is equably injected in the surface of zeolite, and the distance between spray gun and zeolite are 18cm;Then put and be statically placed in temperature and be 5h at 38 DEG C, forms it into one layer of uniform gel film;Move into baking oven in 55 DEG C of dry 1.8h, be cooled to after room temperature, in In muffle furnace, it is 520 DEG C of roasting 2.5h in temperature, catalyst is made.
The preparation method of the synthetic adsorbent, comprises the following steps:
(a) using the constituent content in X-ray fluorescence spectra analytic approach analysis blast furnace slag, and calculated by constituent content Mg/ (Mn+Si) is than being 0.187 for 0.05, Mn/ (Mn+Si) ratio;
(b) regulation blast furnace slag Mg/ (Mn+Si) adds MgO and SiO than comparing with Mn/ (Mn+Si) in 1g blast furnace slags2Regulation Mg/ (Mn+Si) ratios and Mn/ (Mn+Si) ratio respectively to 0.83 and 0.142, are made mixture A;
(c) 32mL deionized waters are added into mixture A made from step b, are 100W in microwave power, temperature is 30 DEG C, mixture B is made to stir 15min under 200r/min in rotating speed;
(d) mixture B made from step c is placed in reactor, obtains reaction product in reacting 6h at 400 DEG C, react Product is washed with deionized water only, is 0.5% in being dried at 75 DEG C to moisture content, synthetic adsorbent is made.
The bioanalysis for the VOCs that degrades, comprises the following steps:
S1:Waste gas is led into vibrating type high-pressure installation, the vibrating type high-pressure installation carries out ionization process to the waste gas, Obtain mixed gas A;
S2:The mixed gas A that step S1 is obtained flows through filtering ponds and handled again, obtains mixed gas B;
S3:The mixed gas B that step S2 is obtained flows through bacteria-fungal combined type reaction tank and absorbed, the gaseous mixture Body B flows through bacteria-fungal combined type reaction tank and carries out absorbing what is be realized in:The mixed gas B flows into the first mobile phase Room, flows through the first half of the first mobile phase room after the bacterium in the Flowing liquid of the latter half of the first mobile phase room absorbs The fungi on dividing plate divided absorbs again, then the second mobile phase room is flowed into from baffled outlet, by under the second mobile phase room Fungi on the dividing plate for the top half that bacterium in the Flowing liquid of half part flows through the second mobile phase room after absorbing inhales again Receive, with this mixed gas after the bacterium and fungi of four mobile phase rooms absorb, gained mixed gas C goes out from mobile phase room Gas port is thrown into air.
Embodiment 3
As shown in Figure 1:A kind of system of the VOCs that is used to degrading, including it is vibrating type high-pressure installation 1, filtering ponds 2, thin Bacterium-fungi combined type reaction tank 3, the vibrating type high-pressure installation 1 is connected with filtering ponds 2 by pipeline A, the filtering ponds 2 with Bacteria-fungal combined type reaction tank 3 is connected by pipeline B, and the vibrating type high-pressure installation 1 includes vibrating type high-pressure installation air inlet Mouthfuls 11, fill and contain activated carbon, synthetic adsorbent, catalyst in Ni-MH battery 12, the filtering ponds 2, the activated carbon, synthesis are inhaled Attached dose, the mass ratio of catalyst be 35:4:1, the bacteria-fungal combined type reaction tank 3 includes mobile phase room 31 and gas outlet 32, the number of the mobile phase room 31 is 4, and the adjacent flow phase room is separated by dividing plate 311 and formed import 3111 and export 3112, each mobile phase room is provided with temp probe sensor 312 and pH electrodes 313, and the temp probe sensor 312 is controlled Mobile phase indoor temperature, the latter half of each mobile phase room is bacterium pond nutrient solution and the bacterium of Flowing liquid, and bacterium can inhale Hydrophilic pollutant is received, the pH electrodes 313 ensure the pH value of bacterium pond nutrient solution;It is stained with the dividing plate of top half true Bacterium culture medium and fungi, fungi can absorb significantly can continuously add pH buffer in hydrophobic polluter, Flowing liquid, thin Bacteria culture fluid, accelerator etc.;The product of poisonous inhibition can be quickly discharged simultaneously, keep higher bacterial activity.
Vibrating type high-pressure installation carries out high pressure to waste gas and clicks on electric discharge so that a part of waste gas is ionized, and moment punctures Air and waste gas molecule, occurs a series of differentiation cracking reactions, produce high concentration, high intensity, the living radical of high-energy and Can occur a series of primitive physical reactions when various electronics, ion etc., molecular collision in the offgas, and produce during the course of the reaction The elemental oxygen given birth to various active free radical and ecological oxygen, i.e. ozone decomposed and produced;Living radical can be destroyed effectively respectively Kind of virus, the nucleic acid in bacterium, protein prevent it from being normally metabolized and biosynthesis, so as to cause its dead;And give birth to Organic exhaust gas molecule gas with foreign flavor can be decomposed or be reduced to low molecule innocuous substance by state oxygen rapidly;In addition, by plasma In ion and object polymerize suction-operated, the trickle organic exhaust gas particulate matter of as low as submicron order can be carried out effective Adsorption and sedimentation processing;Concentration is reduced, decomposed is, compared with small molecule, to add solubility, can greatly increase bacteria-fungal The dissolving and absorption (utilizing the waste gas of the ultraviolet light pre-treating high concentration of certain wave band) of combined type reaction tank
Using fungal organism degraded waste gas, fungi has larger specific surface area, had to dry environment or strong acid environment Stronger tolerance, shows the removal capacity to hydrophobicity VOCs more more preferable than bacterium.
The bacterium is in units of parts by weight, including following components:55 parts of sarcine, 34 parts of spirillum, the short bud of side spore 35 parts of spore bacillus, 62 parts of Acinebobacter lwoffi, 65 parts of production indoles Chryseobacterium sp.
Bacterium pond nutrient solution is in units of parts by weight, including following raw material:36 parts of glucose, 28 parts of peptone, sulphur Sour 4 parts of calcium, 6 parts of potassium dihydrogen phosphate, 3 parts of dibastic sodium phosphate, 3 parts of magnesium sulfate, 2 parts of iron chloride, 2 parts of ammonium chloride, 5 parts of potassium sulfate, sulphur Sour 3 parts of zinc.
The fungi is in units of parts by weight, including following components:62 parts of Mucor indicus, skin Nocard's bacillus 42 part, 16 parts of spore bacterium, 12 parts of paecilomycerol, 9 parts of gliocladium germ.
The fungi culture medium is in units of parts by weight, including following raw material:160 parts of mung bean sprouts, 400 parts of agar, grape Sugar 12 parts, 15 parts of peptone, 6 parts of dipotassium hydrogen phosphate, 5 parts of sodium chloride, 3 parts of bitter salt, 3 parts of green vitriol, 600 parts of water;The preparation method of the fungi culture medium is as follows:Mung bean sprouts is cleaned, adds water and boils 28min;With filtered through gauze, filtrate Glucose, peptone, dipotassium hydrogen phosphate, sodium chloride, bitter salt, seven hydrations are put into after middle addition agar, heating for dissolving Ferrous sulfate, stirring and dissolving, it is 7.5 to adjust pH value, cooling, packing, sterilizing, and fungi culture medium is made.
The preparation method of the catalyst, comprises the following steps:
(1) particle size is put for 0.18cm zeolite and soaks 1h in deionized water, 10% sulfuric acid is put into after taking-up 0.4h is boiled in heating in solution, then is washed with deionized, until pH is 7.2, is placed in baking oven in drying 1.5h at 88 DEG C, cold It is standby;
(2) 30mL tin tetrabromides solution is added drop-wise in 3.5 times of absolute ethyl alcohols with 1 drop/s speed, during dropwise addition Stirred by 500r/min of rotating speed, be configured to A liquid;The palladium salt solution 4mL that mass concentration is -0.6% is taken, with 2 drops/s speed It is added drop-wise in 12mL absolute ethyl alcohols and is configured to B liquid, solution ph is adjusted to 2.4;It is 450r/min in rotating speed, temperature is 46 DEG C of bars Under part, B liquid is slowly dropped in A liquid with the 1 drop speed of/4 seconds, it is 46 DEG C to control temperature, with rotating speed 300r/ under lucifuge Min continues to stir 6h, is stood in air, until solution viscosity is 5.8mPas, colloidal sol is made;
(3) obtained colloidal sol in step 2 is fitted into spray gun, in 10Kg/cm2Under the drive of compressed air, with 4mm/s's Translational speed is equably injected in the surface of zeolite, and the distance between spray gun and zeolite are 22cm;Then put and be statically placed in temperature and be 3h at 42 DEG C, forms it into one layer of uniform gel film;Move into baking oven in 62 DEG C of dry 1.2h, be cooled to after room temperature, in In muffle furnace, it is 550 DEG C of roasting 2h in temperature, catalyst is made.
The preparation method of the synthetic adsorbent, comprises the following steps:
(a) using the constituent content in X-ray fluorescence spectra analytic approach analysis blast furnace slag, and calculated by constituent content Mg/ (Mn+Si) is than being 0.213 for 0.09, Mn/ (Mn+Si) ratio;
(b) regulation blast furnace slag Mg/ (Mn+Si) adds MgO and SiO than comparing with Mn/ (Mn+Si) in 1g blast furnace slags2Regulation Mg/ (Mn+Si) ratios and Mn/ (Mn+Si) ratio respectively to 0.85 and 0.148, are made mixture A;
(c) 35mL deionized waters are added into mixture A made from step b, are 150W in microwave power, temperature is 35 DEG C, mixture B is made to stir 12min under 300r/min in rotating speed;
(d) mixture B made from step c is placed in reactor, obtains reaction product in reacting 4h at 500 DEG C, react Product is washed with deionized water only, is 0.4% in being dried at 82 DEG C to moisture content, synthetic adsorbent is made.
The bioanalysis for the VOCs that degrades, comprises the following steps:
S1:Waste gas is led into vibrating type high-pressure installation, the vibrating type high-pressure installation carries out ionization process to the waste gas, Obtain mixed gas A;
S2:The mixed gas A that step S1 is obtained flows through filtering ponds and handled again, obtains mixed gas B;
S3:The mixed gas B that step S2 is obtained flows through bacteria-fungal combined type reaction tank and absorbed, the gaseous mixture Body B flows through bacteria-fungal combined type reaction tank and carries out absorbing what is be realized in:The mixed gas B flows into the first mobile phase Room, flows through the first half of the first mobile phase room after the bacterium in the Flowing liquid of the latter half of the first mobile phase room absorbs The fungi on dividing plate divided absorbs again, then the second mobile phase room is flowed into from baffled outlet, by under the second mobile phase room Fungi on the dividing plate for the top half that bacterium in the Flowing liquid of half part flows through the second mobile phase room after absorbing inhales again Receive, with this mixed gas after the bacterium and fungi of four mobile phase rooms absorb, gained mixed gas C goes out from mobile phase room Gas port is thrown into air.
Comparative example 1
Technique is substantially the same manner as Example 3, has difference only and is:Lack filtering ponds in system, i.e., waste gas is without mistake Filter the step processing.
Comparative example 2
Technique is substantially the same manner as Example 3, has difference only and is:Only containing synthesis absorption in filtering ponds in system Agent, catalyst.
Comparative example 3
Technique is substantially the same manner as Example 3, has difference only and is:Contain activated carbon, catalysis in filtering ponds in system Agent.
Comparative example 4
Technique is substantially the same manner as Example 3, has difference only and is:Contain activated carbon, synthesis in filtering ponds in system Adsorbent.
Comparative example 5
Technique is substantially the same manner as Example 3, has difference only and is:Lack the bacterium pond nutrient solution of mobile phase room in system And bacterium, i.e. waste gas absorb the step without bacterium and handled.
Comparative example 6
Technique is substantially the same manner as Example 3, has difference only and is:The bacterium of mobile phase room only includes spiral in system Bacterium, Brevibacillus laterosporus, Acinebobacter lwoffi, production indoles Chryseobacterium sp.
Comparative example 7
Technique is substantially the same manner as Example 3, has difference only and is:The bacterium of mobile phase room only includes eight folded balls in system Bacterium, Brevibacillus laterosporus, Acinebobacter lwoffi, production indoles Chryseobacterium sp.
Comparative example 8
Technique is substantially the same manner as Example 3, has difference only and is:The bacterium of mobile phase room only includes eight folded balls in system Bacterium, spirillum, Acinebobacter lwoffi, production indoles Chryseobacterium sp.
Comparative example 9
Technique is substantially the same manner as Example 3, has difference only and is:The bacterium of mobile phase room only includes eight folded balls in system Bacterium, spirillum, Brevibacillus laterosporus, production indoles Chryseobacterium sp.
Comparative example 10
Technique is substantially the same manner as Example 3, has difference only and is:The bacterium of mobile phase room only includes eight folded balls in system Bacterium, spirillum, Brevibacillus laterosporus, Acinebobacter lwoffi.
Comparative example 11
Technique is substantially the same manner as Example 3, has difference only and is:Lack adhered on the dividing plate of mobile phase room true in system Bacterium culture medium and fungi, i.e. waste gas absorb the step processing without fungi.
Comparative example 12
Technique is substantially the same manner as Example 3, has difference only and is:The fungi of mobile phase room only includes Pi Nuoka in system Salmonella, cladosporium, paecilomycerol, gliocladium germ.
Comparative example 13
Technique is substantially the same manner as Example 3, has difference only and is:The fungi of mobile phase room only includes India's hair in system Mould, cladosporium, paecilomycerol, gliocladium germ.
Comparative example 14
Technique is substantially the same manner as Example 3, has difference only and is:The fungi of mobile phase room only includes India's hair in system Mould, skin Nocard's bacillus, paecilomycerol, gliocladium germ.
Comparative example 15
Technique is substantially the same manner as Example 3, has difference only and is:The fungi of mobile phase room only includes India's hair in system Mould, skin Nocard's bacillus, cladosporium, gliocladium germ.
Comparative example 16
Technique is substantially the same manner as Example 3, has difference only and is:The fungi of mobile phase room only includes India's hair in system Mould, skin Nocard's bacillus, cladosporium, paecilomycerol.
Embodiment 4
The waste gas containing VOCs is handled using embodiment 1-3, comparative example 1-16 system and processing method.It is described It is 600ppm that waste gas containing VOCs, which mainly contains VOCs concentration in benzene,toluene,xylene and styrene, air inlet, with processing VOCs concentration, as a result see the table below in 20s, detection mobile phase room gas outlet.
Project Inlet gas concentration (ppm) Outlet concentration (ppm) Degradation efficiency (%)
Embodiment 1 600 5.1 99.15
Embodiment 2 600 5.9 99.02
Embodiment 3 600 5.4 99.10
Comparative example 1 600 95.6 84.07
Comparative example 2 600 38.3 93.62
Comparative example 3 600 25.8 95.70
Comparative example 4 600 18.1 96.98
Comparative example 5 600 104.2 82.63
Comparative example 6 600 32.5 94.58
Comparative example 7 600 26.1 95.65
Comparative example 8 600 15.7 97.38
Comparative example 9 600 16.3 97.28
Comparative example 10 600 15.4 97.43
Comparative example 11 600 98.7 83.55
Comparative example 12 600 29.6 95.07
Comparative example 13 600 24.9 95.85
Comparative example 14 600 16.2 97.30
Comparative example 15 600 14.8 97.53
Comparative example 16 600 15.7 97.38
As seen from table:Using preferable to VOCs treatment effect during method processing waste gas containing VOCs of the invention, degraded effect Rate is up to more than 99%;Simultaneously containing work in embodiment 3 and comparative example 1-4 degradation efficiency data analysis, filtering ponds Property charcoal, synthetic adsorbent, catalyst when, synergy is generated between three, promotes degraded VOCs;By embodiment 3 and contrast Example 5-10 degradation efficiency data analysis understands that the bacterium of mobile phase room is simultaneously including sarcine, spirillum, side spore in system When bacillus brevis, Acinebobacter lwoffi, production indoles Chryseobacterium sp, synergy is generated between five, promotes degraded VOCs; The fungi of mobile phase room is simultaneously including India in embodiment 3 and comparative example 11-16 degradation efficiency data analysis, system When mucor, skin Nocard's bacillus, cladosporium, paecilomycerol, gliocladium germ, synergy is generated between five, promotes degraded VOCs。
Above content is further description made for the present invention, it is impossible to assert being confined to these and saying for the present invention It is bright., without departing from the inventive concept of the premise, can be with for general technical staff of the technical field of the invention Some simple deduction or replace are made, the patent protection that the present invention is determined by the claims submitted should be all considered as belonging to Scope.

Claims (10)

1. a kind of system for the VOCs that degrades, it is characterised in that multiple including vibrating type high-pressure installation, filtering ponds, bacteria-fungal Box-like reaction tank, the vibrating type high-pressure installation is connected with filtering ponds by pipeline A, and the filtering ponds are combined with bacteria-fungal Formula reaction tank is connected by pipeline B, and the vibrating type high-pressure installation includes vibrating type high-pressure installation air inlet, fills Ni-MH battery, Contain activated carbon, synthetic adsorbent, catalyst in the filtering ponds, the bacteria-fungal combined type reaction tank includes mobile phase Room and mobile phase room gas outlet, the adjacent flow phase room are separated by dividing plate and form inlet and outlet, and each mobile phase room is set Temp probe sensor and pH electrodes are equipped with, the temp probe sensor controls mobile phase indoor temperature, each mobile phase room Bacterium pond nutrient solution and bacterium of the latter half for Flowing liquid, bacterium can absorb hydrophilic pollutant, the pH electrodes Ensure the pH value of bacterium pond nutrient solution;Fungi culture medium and fungi are stained with the dividing plate of top half, fungi can absorb significantly Hydrophobic polluter;Can continuously it be added including pH buffer, inoculum, accelerator in Flowing liquid, while can be with The product of poisonous inhibition is quickly discharged, higher bacterial activity is kept.
2. the system according to claim 1 for the VOCs that degrades, it is characterised in that:The activated carbon, synthetic adsorbent, The mass ratio of catalyst is 18-35:2-4:1.
3. the system according to claim 2 for the VOCs that degrades, it is characterised in that:The preparation side of the synthetic adsorbent Method, comprises the following steps:
(a) using the constituent content in X-ray fluorescence spectra analytic approach analysis blast furnace slag, and Mg/ (Mn are calculated by constituent content + Si) than being 0.05-0.09, Mn/ (Mn+Si) is than being 0.187-0.213;
(b) regulation blast furnace slag Mg/ (Mn+Si) adds MgO and SiO than comparing with Mn/ (Mn+Si) in 1g blast furnace slags2Adjust Mg/ (Mn+Si) than, respectively to 0.83-0.85 and 0.142-0.148, mixture A being made with Mn/ (Mn+Si) ratio;
(c) 32-35mL deionized waters are added into mixture A made from step b, are 100-150W in microwave power, temperature is 30-35 DEG C, mixture B is made to stir 12-15min under 200-300r/min in rotating speed;
(d) mixture B made from step c is placed in reactor, obtains reaction product in reacting 4-6h at 400-500 DEG C, instead Answer product to be washed with deionized water only, in being dried at 75-82 DEG C to moisture content≤0.6%, synthetic adsorbent is made.
4. the system according to claim 2 for the VOCs that degrades, it is characterised in that:The preparation method of the catalyst, Comprise the following steps:
(1) particle size is put for 0.03-0.2cm zeolite and soaks 0.7-1h in deionized water, 6%- is put into after taking-up 0.4-0.8h is boiled in heating in 10% sulfuric acid solution, then is washed with deionized, until pH is 6.8-7.2, is placed in baking oven In drying 1.5-1.8h at 85-88 DEG C, cool down standby;
(2) 18-30mL tin tetrabromides solution is added drop-wise in 3-3.5 times of absolute ethyl alcohol with 1 drop/s speed, during dropwise addition Stirred by 300-500r/min of rotating speed, be configured to A liquid;The palladium salt solution 2-4mL that mass concentration is 0.2%-0.6% is taken, with 1-2 drops/s speed, which is added drop-wise in 5-12mL absolute ethyl alcohols, is configured to B liquid, and solution ph is adjusted to 1.2-2.4;It is in rotating speed 350-450r/min, B liquid is under the conditions of 42-46 DEG C, was slowly dropped in A liquid by temperature with the speed of 1 drop/2-4 seconds, control temperature Spend for 42-46 DEG C, stirring 6-8h is continued with rotating speed 200-300r/min under lucifuge, stood in air, until solution viscosity For 4.2-5.8mPas, colloidal sol is made;
(3) obtained colloidal sol in step 2 is fitted into spray gun, in 4-10Kg/cm2Under the drive of compressed air, with 2-4mm/s's Translational speed is equably injected in the surface of zeolite, and the distance between spray gun and zeolite are 18-22cm;Then put and be statically placed in temperature For 3-5h at 38-42 DEG C, one layer of uniform gel film is formed it into;Move into baking oven in 55-62 DEG C of dry 1.2-1.8h, it is cold But to after room temperature, in muffle furnace, it is 520-550 DEG C of roasting 2-2.5h in temperature, catalyst is made.
5. the system according to claim 1 for the VOCs that degrades, it is characterised in that:The number of the mobile phase room is 4.
6. the system according to claim 1 for the VOCs that degrades, it is characterised in that:Bacterium pond nutrient solution is with weight Part it is unit, including following raw material:24-36 parts of glucose, 20-28 parts of peptone, 2-4 parts of calcium sulfate, potassium dihydrogen phosphate 3-6 Part, 1-3 parts of dibastic sodium phosphate, 2-3 parts of magnesium sulfate, 1-2 parts of iron chloride, 0.5-2 parts of ammonium chloride, 2-5 parts of potassium sulfate, zinc sulfate 1-3 Part.
7. the system according to claim 6 for the VOCs that degrades, it is characterised in that:The bacterium is using parts by weight to be single Position, including following components:32-56 parts of sarcine, 15-34 parts of spirillum, 20-35 parts of Brevibacillus laterosporus, Lu Shi are motionless 23-62 parts of bacillus, 36-68 parts of indoles Chryseobacterium sp of production.
8. the system according to claim 1 for the VOCs that degrades, it is characterised in that:The fungi culture medium is with parts by weight For unit, including following raw material:120-160 parts of mung bean sprouts, 300-400 parts of agar, 8-12 parts of glucose, 12-15 parts of peptone, 3-6 parts of dipotassium hydrogen phosphate, 3-5 parts of sodium chloride, 2-3 parts of bitter salt, 1-3 parts of green vitriol, water 500-600 Part.
9. the system according to claim 1 for the VOCs that degrades, it is characterised in that:The preparation side of the fungi culture medium Method is as follows:Mung bean sprouts is cleaned, adds water and boils 28-32min;With filtered through gauze, Portugal is put into after adding agar, heating for dissolving in filtrate Grape sugar, peptone, dipotassium hydrogen phosphate, sodium chloride, bitter salt, green vitriol, stirring and dissolving, adjust pH value be 7.3-7.5, cooling, packing, sterilizing, is made fungi culture medium.
10. the system for the VOCs that degrades according to claim 8 or claim 9, it is characterised in that:The fungi using parts by weight as Unit, including following components:38-62 parts of Mucor indicus, 20-42 parts of skin Nocard's bacillus, 12-16 parts of cladosporium, paecilomycerol 8-12 parts, 4-9 parts of gliocladium germ.
CN201710375769.5A 2017-05-25 2017-05-25 A kind of system for the VOCs that degrades Pending CN107138039A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108362851A (en) * 2018-01-31 2018-08-03 河南工程学院 A kind of experimental method and device using the distinguished and admirable gas of microbial degradation coal mine

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101011591A (en) * 2007-02-05 2007-08-08 张涉 Method and apparatus for treating malodorous gas by using composite microorganism and nano composite carrier
KR20110088613A (en) * 2010-01-29 2011-08-04 한국세라믹기술원 Catalyst complex for oxidation reaction of volatile organic compounds and preparation method thereof
CN103100386A (en) * 2013-01-15 2013-05-15 汕头大学 Preparation method of monolithic catalyst for degrading VOCS (Volatile Organic Compounds)
CN103252210A (en) * 2013-05-22 2013-08-21 武汉红金龙印务股份有限公司 Method for preparing adsorbent for volatile organic compounds (VOCs) in air
CN104998695A (en) * 2015-07-22 2015-10-28 常州亚环环保科技有限公司 Preparation method for blast furnace slag particle supported catalyst
CN106163641A (en) * 2014-04-01 2016-11-23 庄信万丰股份有限公司 Diesel oxidation catalyst with NOx adsorbent activity
CN106362577A (en) * 2015-07-21 2017-02-01 深圳市明鑫高分子技术有限公司 Gas purification system and method for purifying gas by using gas purification system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101011591A (en) * 2007-02-05 2007-08-08 张涉 Method and apparatus for treating malodorous gas by using composite microorganism and nano composite carrier
KR20110088613A (en) * 2010-01-29 2011-08-04 한국세라믹기술원 Catalyst complex for oxidation reaction of volatile organic compounds and preparation method thereof
CN103100386A (en) * 2013-01-15 2013-05-15 汕头大学 Preparation method of monolithic catalyst for degrading VOCS (Volatile Organic Compounds)
CN103252210A (en) * 2013-05-22 2013-08-21 武汉红金龙印务股份有限公司 Method for preparing adsorbent for volatile organic compounds (VOCs) in air
CN106163641A (en) * 2014-04-01 2016-11-23 庄信万丰股份有限公司 Diesel oxidation catalyst with NOx adsorbent activity
CN106362577A (en) * 2015-07-21 2017-02-01 深圳市明鑫高分子技术有限公司 Gas purification system and method for purifying gas by using gas purification system
CN104998695A (en) * 2015-07-22 2015-10-28 常州亚环环保科技有限公司 Preparation method for blast furnace slag particle supported catalyst

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108362851A (en) * 2018-01-31 2018-08-03 河南工程学院 A kind of experimental method and device using the distinguished and admirable gas of microbial degradation coal mine

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