CN106006897A - Formula for improving quality of brackish water based on desulfurization gypsum and application of formula - Google Patents
Formula for improving quality of brackish water based on desulfurization gypsum and application of formula Download PDFInfo
- Publication number
- CN106006897A CN106006897A CN201610560467.0A CN201610560467A CN106006897A CN 106006897 A CN106006897 A CN 106006897A CN 201610560467 A CN201610560467 A CN 201610560467A CN 106006897 A CN106006897 A CN 106006897A
- Authority
- CN
- China
- Prior art keywords
- water
- formula
- desulfurated plaster
- water quality
- bitter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 135
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 11
- 230000023556 desulfurization Effects 0.000 title claims abstract description 11
- 239000010440 gypsum Substances 0.000 title abstract 7
- 229910052602 gypsum Inorganic materials 0.000 title abstract 7
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims abstract description 45
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 19
- 150000003839 salts Chemical class 0.000 claims abstract description 17
- 239000012535 impurity Substances 0.000 claims abstract description 16
- 230000000694 effects Effects 0.000 claims abstract description 14
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 13
- 239000001648 tannin Substances 0.000 claims abstract description 12
- 235000018553 tannin Nutrition 0.000 claims abstract description 12
- 229920001864 tannin Polymers 0.000 claims abstract description 12
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 6
- 230000001954 sterilising effect Effects 0.000 claims abstract description 6
- 239000011505 plaster Substances 0.000 claims description 36
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 30
- 238000001514 detection method Methods 0.000 claims description 25
- 238000006243 chemical reaction Methods 0.000 claims description 16
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 14
- 238000011033 desalting Methods 0.000 claims description 11
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 10
- 229910052799 carbon Inorganic materials 0.000 claims description 10
- 239000000460 chlorine Substances 0.000 claims description 10
- 229910052801 chlorine Inorganic materials 0.000 claims description 10
- 238000006298 dechlorination reaction Methods 0.000 claims description 10
- 244000005700 microbiome Species 0.000 claims description 10
- 239000011780 sodium chloride Substances 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- 238000012360 testing method Methods 0.000 claims description 10
- 238000005352 clarification Methods 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 6
- 230000000844 anti-bacterial effect Effects 0.000 claims description 5
- 230000001580 bacterial effect Effects 0.000 claims description 5
- 230000015271 coagulation Effects 0.000 claims description 5
- 238000005345 coagulation Methods 0.000 claims description 5
- 239000000356 contaminant Substances 0.000 claims description 5
- 238000009472 formulation Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 238000001556 precipitation Methods 0.000 claims description 5
- 238000004659 sterilization and disinfection Methods 0.000 claims description 5
- 239000000725 suspension Substances 0.000 claims description 5
- 239000006071 cream Substances 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims description 3
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 2
- 238000004062 sedimentation Methods 0.000 claims description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims 1
- 229910052717 sulfur Inorganic materials 0.000 claims 1
- 239000011593 sulfur Substances 0.000 claims 1
- 239000003513 alkali Substances 0.000 abstract description 3
- 238000010612 desalination reaction Methods 0.000 abstract description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 abstract 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- 229910000019 calcium carbonate Inorganic materials 0.000 description 6
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 5
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 4
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 4
- 239000001110 calcium chloride Substances 0.000 description 4
- 229910001628 calcium chloride Inorganic materials 0.000 description 4
- 239000013505 freshwater Substances 0.000 description 3
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 2
- 239000000920 calcium hydroxide Substances 0.000 description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 229910001629 magnesium chloride Inorganic materials 0.000 description 2
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 2
- 239000000347 magnesium hydroxide Substances 0.000 description 2
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- -1 hydrogen Sodium oxide Chemical class 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910001948 sodium oxide Inorganic materials 0.000 description 1
- 238000001256 steam distillation Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a formula for improving the quality of brackish water based on desulfurization gypsum. The formula for improving the quality of brackish water based on desulfurization gypsum comprises the following components in parts by weight: 50-60 parts of tannin, 20-30 parts of desulfurization gypsum, 5-8 parts of sodium carbonate and 3-7 parts of citric acid. Application of the formula for improving the quality of brackish water based on desulfurization gypsum comprises the following steps: 1, pretreating brackish water; 2, adding reagents; 3, separating impurities; 4, detecting water quality; 5, sterilizing; 6, implementing dechloridation treatment; 7, implementing desalination treatment. According to the formula for improving the quality of brackish water based on desulfurization gypsum, and the application of the formula, desalination, desulfurization gypsum, sodium carbonate, citric acid and brackish water are enabled to react with one another, and moreover alkali and salt in water are removed by using a reverse osmosis technique, so that the quality of brackish water can be improved, and the formula is low in cost, remarkable in effect and applicable to application and popularization.
Description
Technical field
The invention belongs to technique of desalinating saline water field, more specifically, particularly relate to a kind of based on desulfurization stone
The formula improving bitter water quality of cream.Meanwhile, the invention still further relates to a kind of improvement based on desulfurated plaster bitter
The application of the formula of salt water water quality.
Background technology
Bitter refers to that basicity is more than the water of hardness, and containing a large amount of neutral salt, the ph value water more than 7.China
Bitter is mainly distributed on the north and the coastal region in east China.
One of shortage of fresh water three overall situation problems having become as 21 century, therefore, brackish water desalination skill
Art becomes the new and high technology that various countries pay much attention to, and is also one of important measures solving China's water resources crisis.
Some area freshwater resources of China extremely lack, but bitter resource is the abundantest, therefore, salty to hardship
Water is wanted fresh water, is wanted resource, is the realistic choice solving these area shortage of fresh waters, is also to realize water money
Source sustainable use, ensure the sustainable development of socio-economy vital measure, be of great immediate significance and
Strategic importance.Bitter refers mainly to the lake water of more than salinity 1000mg/L, river and subsoil water.General next
Saying, the water of salinity 1～5g/L is Low-salinity bitter, brackish water (salinity 1～3g/L) and brackish water
(salinity 3～5g/L)；5～10g/L are middle salinity bitter, and more than 10g/L is high salinity bitter；
Salinity 50～500g/L is referred to as salt.China's bitter is mainly distributed on northwest drought hinterland, north
Side and the coastal region in east China, hydrochemical type mostly is SO4.Cl-Na and SO4.Cl-Na.Mg type,.Shi Zhijin
Day, the method for bitter desalting is a lot, mainly has the way of distillation, freezing method, hyperfiltration, solar energy
Method, low-temperature multi-effect, multistage flash evaporation, electroosmose process, pressure steam distillation, circulation electric capacity absorption method, dew point evaporation
Method, water-electricity cogeneration, hotting mask coproduction, chemical decladding method etc..
Summary of the invention
The invention aims to solve shortcoming present in prior art, and the one proposed is based on desulfurization
The formula improving bitter water quality of Gypsum Fibrosum.
For achieving the above object, the present invention provides following technical scheme: a kind of improvement based on desulfurated plaster is bitter
The formula of salt water water quality, described formulation weight part improving bitter water quality based on desulfurated plaster is as follows: single
Peaceful 50-60 part, desulfurated plaster 20-30 part, soda 5-8 part, citric acid 3-7 part.
Preferably, the water content of described desulfurated plaster is less than 5%.
The present invention also provides for the application of a kind of formula improving bitter water quality based on desulfurated plaster, including such as
Lower step:
S1, bitter pretreatment: fetching water from reservoir, be subsequently adding Alumen, Alumen addition is water per ton
50 grams of middle addition Alumen, makes the adsorbed cohesion of fine granularity impurity of suspension, sedimentation point in reaction settling basin
From, make clarification of water；
S2, addition reagent: tannin 50-60 part, desulfurization stone will be sequentially added in the water of the clarification obtained in S1
Cream 20-30 part, soda 5-8 part and citric acid 3-7 part, stir, allow it fully react, reacted
In journey every stirring in 15 minutes once, make reaction effect more preferable；
S3, magazins' layout: the impurity that coagulation in S2 and precipitation obtain is separated, isolated clear liquor
Body；
S4, water quality detection: the water obtained in detection S3, detection content is pH value detection, if detection
PH value is more than 7.5, then repeat S2-S4, until testing result is not more than 7.5；
S5, sterilization: be passed through chlorine in the water obtained in S4, remove the antibacterial in water and microorganism, this mistake
Journey is a chemical change process, removes bacterial micro-organism and can produce impurity, and contaminant filter is clean；
S6, dechlorination process: by the water in S5 by active carbon filter, and activated carbon can adsorb dissociating in water
Chlorine, make in water will not scent of, control water yield, discharge can not be excessive, and flow-control is within 1T/h；
S7, desalting processing: the water obtained by S6 passes through reverse osmosis unit, remove the salt in water, improve water quality
Saline taste.
Preferably, in S6, active carbon filter should be changed in time, in order to avoid affecting dechlorination effect, and every filter 23 ton
Water changes an activated carbon.
Preferably, water through reverse osmosis unit in S7 is carried out salinity test, salinity should less than 0.05%,
Otherwise proceed desalting processing.
The technique effect of the present invention and advantage: a kind of based on desulfurated plaster the improvement bitter that the present invention provides
The formula of water quality and application thereof, reacted to each other with bitter by tannin, desulfurated plaster, soda and citric acid,
Soda and calcium chloride in bitter react generation sodium chloride and calcium carbonate, the carbonic acid that soda is intrinsic with bitter
Fine particle calcium carbonate reaction generates calcium carbonate and sodium hydroxide, releases carbon dioxide simultaneously, sodium hydroxide again with calcium chloride,
Magnesium chloride generates sodium chloride, calcium hydroxide or magnesium hydroxide, and citric acid stablizes double salt, prevents from carrying out inverse
Reaction, and by reverse osmosis technology, remove the alkali in water and salt, thus improve bitter water quality, this
Bright with low cost, effect is notable, is suitable for application.
Detailed description of the invention
Below in conjunction with the embodiment in the present invention, the technical scheme in the embodiment of the present invention is carried out clear,
It is fully described by, it is clear that described embodiment is only a part of embodiment of the present invention rather than all
Embodiment.Specific embodiment described herein, only in order to explain the present invention, is not used to limit this
Bright.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, broadly falls into the scope of protection of the invention.
Embodiment 1
A kind of formula improving bitter water quality based on desulfurated plaster, described improvement based on desulfurated plaster is bitter
Formulation weight part of salt water water quality is as follows: tannin 50 parts, desulfurated plaster 20 parts, soda 5 parts, citric acid 3
Part, the water content of described desulfurated plaster is less than 5%.
The present invention also provides for the application of a kind of formula improving bitter water quality based on desulfurated plaster, including such as
Lower step:
S1, bitter pretreatment: fetching water from reservoir, be subsequently adding Alumen, Alumen addition is water per ton
50 grams, make the adsorbed cohesion of fine granularity impurity of suspension, settlement separate in reaction settling basin, make water clear
Clearly；
S2, addition reagent: tannin 50 parts, desulfurated plaster will be sequentially added in the water of the clarification obtained in S1
20 parts, soda 5 parts and citric acid 3 parts, stir, allow it fully react, every ten in course of reaction
Stirring in five minutes once, makes reaction effect more preferable；
S3, magazins' layout: the impurity that coagulation in S2 and precipitation obtain is separated, isolated clear liquor
Body；
S4, water quality detection: the water obtained in detection S3, detection content is pH value detection, if detection
PH value is more than 7.5, then repeat S2-S4, until testing result is not more than 7.5；
S5, sterilization: be passed through chlorine in the water obtained in S4, remove the antibacterial in water and microorganism, this mistake
Journey is a chemical change process, removes bacterial micro-organism and can produce impurity, and contaminant filter is clean；
S6, dechlorination process: by the water in S5 by active carbon filter, and activated carbon can adsorb dissociating in water
Chlorine, make in water will not scent of, control water yield, discharge can not be excessive, and flow-control is within 1T/h；
S7, desalting processing: the water obtained by S6 passes through reverse osmosis unit, remove the salt in water, improve water quality
Saline taste.
In S6, active carbon filter should be changed in time, in order to avoid affecting dechlorination effect, every filter 23 ton water changes one
Secondary activated carbon.
Water through reverse osmosis unit in S7 is carried out salinity test, and salinity should be less than 0.05%, otherwise
Proceed desalting processing.
Embodiment 2
A kind of formula improving bitter water quality based on desulfurated plaster, described improvement based on desulfurated plaster is bitter
Formulation weight part of salt water water quality is as follows: tannin 55 parts, desulfurated plaster 25 parts, soda 6.5 parts, Fructus Citri Limoniae
Acid 5 parts, the water content of described desulfurated plaster is less than 5%.
The present invention also provides for the application of a kind of formula improving bitter water quality based on desulfurated plaster, including such as
Lower step:
S1, bitter pretreatment: fetching water from reservoir, be subsequently adding Alumen, Alumen addition is water per ton
50 grams, make the adsorbed cohesion of fine granularity impurity of suspension, settlement separate in reaction settling basin, make water clear
Clearly；
S2, addition reagent: tannin 55 parts, desulfurated plaster will be sequentially added in the water of the clarification obtained in S1
25 parts, soda 6.5 parts and citric acid 5 parts, stir, allow it fully react, in course of reaction every
Stirring in 15 minutes once, can make reaction effect more preferable；
S3, magazins' layout: the impurity that coagulation in S2 and precipitation obtain is separated, isolated clear liquor
Body；
S4, water quality detection: the water obtained in detection S3, detection content is pH value detection, if detection
PH value is more than 7.5, then repeat S2-S4, until testing result is not more than 7.5；
S5, sterilization: be passed through chlorine in the water obtained in S4, remove the antibacterial in water and microorganism, this mistake
Journey is a chemical change process, removes bacterial micro-organism and can produce impurity, and contaminant filter is clean；
S6, dechlorination process: by the water in S5 by active carbon filter, and activated carbon can adsorb dissociating in water
Chlorine, make in water will not scent of, control water yield, discharge can not be excessive, and flow-control is within 1T/h；
S7, desalting processing: the water obtained by S6 passes through reverse osmosis unit, remove the salt in water, improve water quality
Saline taste.
In S6, active carbon filter should be changed in time, in order to avoid affecting dechlorination effect, every filter 23 ton water changes one
Secondary activated carbon.
Water through reverse osmosis unit in S7 is carried out salinity test, and salinity should be less than 0.05%, otherwise
Proceed desalting processing.
Embodiment 3
A kind of formula improving bitter water quality based on desulfurated plaster, described improvement based on desulfurated plaster is bitter
Formulation weight part of salt water water quality is as follows: tannin 60 parts, desulfurated plaster 30 parts, soda 8 parts, citric acid 7
Part, the water content of described desulfurated plaster is less than 5%.
The present invention also provides for the application of a kind of formula improving bitter water quality based on desulfurated plaster, including such as
Lower step:
S1, bitter pretreatment: fetching water from reservoir, be subsequently adding Alumen, Alumen addition is water per ton
50 grams, make the adsorbed cohesion of fine granularity impurity of suspension, settlement separate in reaction settling basin, make water clear
Clearly；
S2, addition reagent: tannin 60 parts, desulfurated plaster will be sequentially added in the water of the clarification obtained in S1
30 parts, soda 8 parts and citric acid 7 parts, stir, allow it fully react, every ten in course of reaction
Stirring in five minutes once, makes reaction effect more preferable；
S3, magazins' layout: the impurity that coagulation in S2 and precipitation obtain is separated, isolated clear liquor
Body；
S4, water quality detection: the water obtained in detection S3, detection content is pH value detection, if detection
PH value is more than 7.5, then repeat S2-S4, until testing result is not more than 7.5；
S5, sterilization: be passed through chlorine in the water obtained in S4, remove the antibacterial in water and microorganism, this mistake
Journey is a chemical change process, removes bacterial micro-organism and can produce impurity, and contaminant filter is clean；
S6, dechlorination process: by the water in S5 by active carbon filter, and activated carbon can adsorb dissociating in water
Chlorine, make in water will not scent of, control water yield, discharge can not be excessive, and flow-control is within 1T/h；
S7, desalting processing: the water obtained by S6 passes through reverse osmosis unit, remove the salt in water, improve water quality
Saline taste.
In S6, active carbon filter should be changed in time, in order to avoid affecting dechlorination effect, every filter 23 ton water changes one
Secondary activated carbon.
Water through reverse osmosis unit in S7 is carried out salinity test, and salinity should be less than 0.05%, otherwise
Proceed desalting processing.
A kind of based on desulfurated plaster the formula improving bitter water quality of present invention offer and application thereof, pass through
Tannin, desulfurated plaster, soda and citric acid react to each other with bitter, and soda is anti-with calcium chloride in bitter
Should generate sodium chloride and calcium carbonate, the soda carbonic acid fine particle calcium carbonate intrinsic with bitter reacts generation calcium carbonate and hydrogen
Sodium oxide, releases carbon dioxide simultaneously, sodium hydroxide again with calcium chloride, magnesium chloride generate sodium chloride,
Calcium hydroxide or magnesium hydroxide, citric acid stablizes double salt, prevents from carrying out back reaction, and by reverse osmosis technology,
Removing the alkali in water and salt, thus improve bitter water quality, this invention is with low cost, and effect is notable, suitable
Close application.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, it is not limited to
The present invention, although being described in detail the present invention with reference to previous embodiment, for the technology of this area
For personnel, the technical scheme described in foregoing embodiments still can be modified by it, or to it
Middle part technical characteristic carries out equivalent, all within the spirit and principles in the present invention, that is made any repaiies
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (5)
1. the formula improving bitter water quality based on desulfurated plaster, it is characterised in that: described based on de-
Formulation weight part improving bitter water quality of sulfur Gypsum Fibrosum is as follows: tannin 50-60 part, desulfurated plaster 20-30
Part, soda 5-8 part, citric acid 3-7 part.
A kind of formula improving bitter water quality based on desulfurated plaster the most according to claim 1, its
It is characterised by: the water content of described desulfurated plaster is less than 5%.
3. an application for the formula improving bitter water quality based on desulfurated plaster described in claim 1,
It is characterized in that: comprise the steps:
S1, bitter pretreatment: fetching water from reservoir, be subsequently adding Alumen, Alumen addition is water per ton
50 grams of middle addition Alumen, makes the adsorbed cohesion of fine granularity impurity of suspension, sedimentation point in reaction settling basin
From, make clarification of water；
S2, addition reagent: tannin 50-60 part, desulfurization stone will be sequentially added in the water of the clarification obtained in S1
Cream 20-30 part, soda 5-8 part and citric acid 3-7 part, stir, allow it fully react, reacted
In journey every stirring in 15 minutes once, make reaction effect more preferable；
S3, magazins' layout: the impurity that coagulation in S2 and precipitation obtain is separated, isolated clear liquor
Body；
S4, water quality detection: the water obtained in detection S3, detection content is pH value detection, if detection
PH value is more than 7.5, then repeat S2-S4, until testing result is not more than 7.5；
S5, sterilization: be passed through chlorine in the water obtained in S4, remove the antibacterial in water and microorganism, this mistake
Journey is a chemical change process, removes bacterial micro-organism and can produce impurity, and contaminant filter is clean；
S6, dechlorination process: by the water in S5 by active carbon filter, and activated carbon can adsorb dissociating in water
Chlorine, make in water will not scent of, control water yield, discharge can not be excessive, and flow-control is within 1T/h；
S7, desalting processing: the water obtained by S6 passes through reverse osmosis unit, remove the salt in water, improve water quality
Saline taste.
Answering of a kind of formula improving bitter water quality based on desulfurated plaster the most according to claim 3
With, it is characterised in that: in S6, active carbon filter should be changed in time, in order to avoid affecting dechlorination effect, often filters
3 tons of water change an activated carbon.
Answering of a kind of formula improving bitter water quality based on desulfurated plaster the most according to claim 3
With, it is characterised in that: water through reverse osmosis unit in S7 is carried out salinity test, and salinity should be less than
0.05%, otherwise proceed desalting processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610560467.0A CN106006897A (en) | 2016-07-15 | 2016-07-15 | Formula for improving quality of brackish water based on desulfurization gypsum and application of formula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610560467.0A CN106006897A (en) | 2016-07-15 | 2016-07-15 | Formula for improving quality of brackish water based on desulfurization gypsum and application of formula |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106006897A true CN106006897A (en) | 2016-10-12 |
Family
ID=57119226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610560467.0A Pending CN106006897A (en) | 2016-07-15 | 2016-07-15 | Formula for improving quality of brackish water based on desulfurization gypsum and application of formula |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106006897A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108191083A (en) * | 2017-12-19 | 2018-06-22 | 潍坊友容实业有限公司 | Salt-soda soil brackish water desalination antisludging agent and its application method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1053782A (en) * | 1990-02-05 | 1991-08-14 | 石家庄市惠友实用技术研究所 | A kind of ion exchanging type antiscale agent of softening water |
| WO1993020013A1 (en) * | 1992-03-30 | 1993-10-14 | Meg S.N.C. Di Scopelliti Sofia & C. | Water compositions |
| CN1465536A (en) * | 2002-07-22 | 2004-01-07 | 深圳市绿方洲环保科技开发有限公司 | Sea water and saline water desalination agent and desalination process thereof |
| CN102795719A (en) * | 2011-05-27 | 2012-11-28 | 王凯勋 | Methods for removing calcium and magnesium and co-producing water and salt by low-cost process during sea water desalination |
| CN105016491A (en) * | 2015-07-09 | 2015-11-04 | 潍坊友容实业有限公司 | Special antisludging agent for saline-alkali soil bitter desalting plant and preparation method therefor |
| CN205035206U (en) * | 2015-10-09 | 2016-02-17 | 潍坊友容实业有限公司 | A multistage reverse osmosis treatment system for brackish water desalination |
| CN105683093A (en) * | 2013-08-05 | 2016-06-15 | 格雷迪安特公司 | Water treatment systems and associated methods |
-
2016
- 2016-07-15 CN CN201610560467.0A patent/CN106006897A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1053782A (en) * | 1990-02-05 | 1991-08-14 | 石家庄市惠友实用技术研究所 | A kind of ion exchanging type antiscale agent of softening water |
| WO1993020013A1 (en) * | 1992-03-30 | 1993-10-14 | Meg S.N.C. Di Scopelliti Sofia & C. | Water compositions |
| CN1465536A (en) * | 2002-07-22 | 2004-01-07 | 深圳市绿方洲环保科技开发有限公司 | Sea water and saline water desalination agent and desalination process thereof |
| CN102795719A (en) * | 2011-05-27 | 2012-11-28 | 王凯勋 | Methods for removing calcium and magnesium and co-producing water and salt by low-cost process during sea water desalination |
| CN105683093A (en) * | 2013-08-05 | 2016-06-15 | 格雷迪安特公司 | Water treatment systems and associated methods |
| CN105016491A (en) * | 2015-07-09 | 2015-11-04 | 潍坊友容实业有限公司 | Special antisludging agent for saline-alkali soil bitter desalting plant and preparation method therefor |
| CN205035206U (en) * | 2015-10-09 | 2016-02-17 | 潍坊友容实业有限公司 | A multistage reverse osmosis treatment system for brackish water desalination |
Non-Patent Citations (1)
| Title |
|---|
| 张鹤鹏，等: "苦咸水专用净化装置研究与开发", 《宁夏农林科技》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108191083A (en) * | 2017-12-19 | 2018-06-22 | 潍坊友容实业有限公司 | Salt-soda soil brackish water desalination antisludging agent and its application method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104355473B (en) | A kind of method using electrodialytic technique to carry out power plant desulfurization waste water desalination zero discharge treatment | |
| CN104370394B (en) | A kind of processing method of surface water desalter by-product brine waste | |
| Guo et al. | Recovering precipitates from dechlorination process of saline wastewater as poly aluminum chloride | |
| KR101639848B1 (en) | The manufacturing process of high hardness drinking water using NF/RO/ED membrane connection system | |
| US10105653B2 (en) | System for rinsing electrodialysis electrodes | |
| CN104478141B (en) | A kind of means of flue gas desulfurization of power plant waste water treatment process | |
| Sanciolo et al. | Enhancement of reverse osmosis water recovery using interstage calcium precipitation | |
| CN106517598A (en) | Treating method and treating device for zero discharging of desulfurization wastewater | |
| CN109205876A (en) | A kind for the treatment of method and apparatus of desulfurization wastewater | |
| CN102652563A (en) | Deep-seawater containing health-care drinking liquid and preparation method thereof | |
| KR20160004063A (en) | Removal system of sulfate in seawater using ion exchange resin | |
| CN103408179A (en) | Production method for desalting seawater by hot film coupling | |
| Jin et al. | Nutrient recovery as struvite from aquaculture wastewater by bipolar membrane electrodialysis with magnesite tailings | |
| Hu et al. | Dissolved organic matter fractions and disinfection by-product formation potential from major raw waters in the water-receiving areas of south-to-north water diversion project, China | |
| CN110902898B (en) | Device and method for removing nitrogen and phosphorus in sewage by magnesium anode electrodialysis | |
| Hao et al. | Creating coagulants through the combined use of ash and brine | |
| CN106830184A (en) | The exchange of effects of ion and method for concentration and device | |
| CN204958614U (en) | Directly drink water purification installation | |
| CN113830740B (en) | Method for preparing acid and alkali by bipolar membrane based on electrodialysis technology | |
| CN106006897A (en) | Formula for improving quality of brackish water based on desulfurization gypsum and application of formula | |
| CN106315993A (en) | Method for synchronously treating human manure and urine and microbial desalting tank | |
| CN102070234B (en) | Method for separating sodium terephthalate and alkaline solution from alkali deweighting waste liquid | |
| CN106587112B (en) | A kind of brine method of comprehensive utilization | |
| CN105174543A (en) | Direct drinking water purifying method and device | |
| CN111807471B (en) | Treatment method and treatment system for salt-containing water |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161012 |
|
| RJ01 | Rejection of invention patent application after publication |