CN1884148A - Process for treating dyeing waste water with high COD value and high colour - Google Patents
Process for treating dyeing waste water with high COD value and high colour Download PDFInfo
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- CN1884148A CN1884148A CN 200610014582 CN200610014582A CN1884148A CN 1884148 A CN1884148 A CN 1884148A CN 200610014582 CN200610014582 CN 200610014582 CN 200610014582 A CN200610014582 A CN 200610014582A CN 1884148 A CN1884148 A CN 1884148A
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- 238000004043 dyeing Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 29
- 239000002351 wastewater Substances 0.000 title claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 15
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229920002401 polyacrylamide Polymers 0.000 claims abstract description 5
- 239000006228 supernatant Substances 0.000 claims abstract description 5
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 238000007254 oxidation reaction Methods 0.000 claims description 12
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 9
- 238000006555 catalytic reaction Methods 0.000 claims description 7
- 238000012546 transfer Methods 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 150000001721 carbon Chemical class 0.000 claims description 5
- 230000007062 hydrolysis Effects 0.000 claims description 5
- 238000006460 hydrolysis reaction Methods 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 125000000129 anionic group Chemical group 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 230000002378 acidificating effect Effects 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 238000001556 precipitation Methods 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract description 3
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 abstract description 2
- 238000005842 biochemical reaction Methods 0.000 abstract description 2
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 abstract description 2
- 150000001450 anions Chemical class 0.000 abstract 1
- 230000001590 oxidative effect Effects 0.000 abstract 1
- 239000013049 sediment Substances 0.000 abstract 1
- 235000011149 sulphuric acid Nutrition 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 239000000126 substance Substances 0.000 description 9
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 6
- 230000003647 oxidation Effects 0.000 description 6
- 230000003197 catalytic effect Effects 0.000 description 5
- 241000894006 Bacteria Species 0.000 description 4
- 239000000460 chlorine Substances 0.000 description 4
- 239000000975 dye Substances 0.000 description 4
- 239000000945 filler Substances 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 230000009102 absorption Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000003610 charcoal Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000000980 acid dye Substances 0.000 description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000004042 decolorization Methods 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000005189 flocculation Methods 0.000 description 2
- 230000016615 flocculation Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 241000338702 Cupido minimus Species 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000012847 fine chemical Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 230000007269 microbial metabolism Effects 0.000 description 1
- 229910017464 nitrogen compound Inorganic materials 0.000 description 1
- 150000002830 nitrogen compounds Chemical class 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000006385 ozonation reaction Methods 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 241001148471 unidentified anaerobic bacterium Species 0.000 description 1
Landscapes
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The invention discloses a disposing method of high-COD value high-colority printing and dyeing wastewater, which comprises the following steps: 1. utilizing waste H2SO4 with Cl2 to adjust 70 percent weakly-acidic printing and dyeing wastewater; making pH value at 3-5; entering wastewater into micro-electrolyser reacting system; 2. adopting NaClO to adjust outlet without Fe++; adding NaOH until pH value is about 6; adding anion polyacrylamide to polymerize Fe (OH) 3 to sediment; 3. entering upper supernatant layer to catalyze O3 oxidizing reacting system through activated carbon with nanometer grade TiO2; removing O3 in the outlet through NaHSO3; 4. entering water in the biochemical reaction system to reach drainage standard. The invention removes colority in the printing and dyeing wastewater from 40 percent to 100 percent, which eliminates COD (1000-4000mg/L) from 10 percent to 60-90 percent.
Description
Technical field
The present invention relates to a kind of treatment process of dyeing waste water, particularly use nano-TiO
2The O3 catalytic oxidation method is to the treatment process of dyeing waste water with high COD value and high colour.
Background technology
Remove high chroma and high COD value in the dyeing waste water, become two key issues of long-term puzzlement dyeing water treatment.Along with chemical industry, dyestuffs industries and human consumer raising to the printing and dyeing processing request, the employing of novel dyeing and printing auxiliary, dyestuff, chemical sizwe and finishing composition constantly appears, be difficult to the widespread use of biodegradable organism in dyeing, cause that organic component becomes increasingly complex changeable in the dyeing waste water, greatly changed the character of waste water, increased intractability, biodegradability reduces greatly.Therefore, the clearance that how to improve COD is one of technical barrier anxious to be solved in the dyeing water treatment.
Can solve with the wet method catalytic oxidation, but need high temperature more than 280 ℃, working cost and investment are all expensive.How to reduce investment cost, how to reduce working cost, comparatively difficult especially thing.
The treatment process of present domestic routine: adopt " flocculation reflocculation "; " biochemistry is biochemical again " causes the working cost height, and floor space is big, and investment is big, handles back water outlet COD and colourity and still can not reach gratifying result.Also useful ozone oxidation method or photochemical catalytic oxidation decolouring and degraded COD, but for the high chroma of dyestuffs (accounting for 10%) such as weak acid dye (accounting for 70%) reactive dyestuffs (accounting for 20%) and dispersion and the printing and dyeing dual disposal waste water of high COD value, the clearance of directly logical ozone method or photochemical catalytic oxidation colourity and COD is respectively 40% and 10-40%, if the wide-scale adoption power consumption is too high.What abroad adopt usually is: one-level is just heavy, again through secondary biochemical, again through the method for three grades of charcoal absorptions, but the renovation process of gac and equipment, regeneration times is all limited, and it can only be brought in constant renewal in, and working cost is also high, show from test-results, extremely low for the eliminating rate of absorption of above-mentioned comprehensive discharge dyeing waste water gac.Also useful nano level TiO
2Photocatalysis treatment printing and dyeing water, but be catalysis O with gac
3Oxidation, the dyeing waste water of the high COD value of solution high chroma, data information does not appear in the newspapers at present.The proposition of present technique will solve above-mentioned these technological difficulties just.
Summary of the invention
For solving the problem that exists in the above-mentioned technology, the purpose of this invention is to provide a kind of treatment process, to solve this type of decolorization of dyeing and organic removal problem to dyeing waste water with high COD value and high colour.
For achieving the above object, the technical scheme that present technique adopts provides a kind of treatment process to dyeing waste water with high COD value and high colour, and its method may further comprise the steps:
1. will be that 1000-4000mg/L, colourity are＞5000 times dye printing and dyeing wastewater to contain 70% weakly acidic COD value, with containing Cl
2Useless H
2SO
4Regulate, making PH is 3～5, enters the micro cell reactive system then, hydraulic detention time 6-10 hour;
2. water outlet is regulated with NaClO, transfers to no Fe
++Exist, add NaOH to PH ≈ 6, add anionic polyacrylamide then and make Fe (OH)
3Poly-glue, precipitation;
3. supernatant liquid enters with being loaded with nano level TiO
2Activated carbon catalysis O
3Oxidation system, the middle level of reaction tank dress gac 300mm bed thickness in the system, O
3Gas distribution system is positioned at its layer down, reacts after 3-6 hour water outlet NaHSO
3Remove O
3
4. enter Biochemistry Reaction System then, anaerobic hydrolysis and aerobic, double oxygen alternate repetition carry out, and hydraulic detention time 12-20 hour, can reach as the subscript discharge index:
Handle back water-quality guideline: COD≤150mg/L; Colourity≤80 times; SS＜50mg/L; PH6-9.
Effect of the present invention be this method with carrying nano TiO 2 activated carbon catalysis ozone oxidation, ozone can be reached from (during catalyst-free) 40% clearance of such dyeing waste water colourity (2500-5000 is doubly) is increased to (the TiO2 activated-carbon catalyst is arranged) 100%; COD (1000-4000mg/L) is increased to 60-90% from about 10%.Thereby, solved the processing difficult problem of the dyeing waste water of the high COD value of high chroma difficult degradation.
Embodiment
In conjunction with the embodiments the treatment process to dyeing waste water with high COD value and high colour of the present invention is illustrated.
Present method realizes according to the following steps:
1, adopting the micro cell method, will be that 1000-4000mg/L, colourity are＞5000 times dye printing and dyeing wastewater to contain 70% weakly acidic COD value, add NaClO and contain Cl
2Sulfur waste acid (the industrial sulfuric acid of making to contain after the chlorine dehydration 78% concentration), transfer PH3～5, hydraulic detention time 6-10 hour.Wherein the part larger molecular organics is decomposed into small organic molecule, removes partial organic substances simultaneously.Add NaClO then with Fe
++Be oxidized to Fe
+++, add NaOH to PH6-7, with anionic polyacrylamide with colloid Fe (OH)
3Poly-glue, precipitation; It is about 50% that this COD degrades, percent of decolourization about 30%.The upper strata clear water enters TiO
2Activated carbon catalysis O
3Oxidation system.
2, TiO
2Activated carbon catalysis ozone oxidation reaction system:
Supernatant liquid enters with being loaded with nano level TiO
2Activated carbon catalysis O
3Oxidation system, the middle level of reaction tank dress gac 300mm bed thickness in the system, O
3Gas distribution system is positioned at its layer down, reacts after 3-6 hour water outlet NaHSO
3Remove O
3Be dark 3.0 meters of reaction tank in the reactive system, 1 meter has grid, glass steel to arrange net at the bottom of the pond, and it is thick to adorn the about 300mm of gac on the net; Grid is divided into O
3Gas distribution pipe; The 300mm place is for receiving water system at the bottom of the pond.Also there is one deck grid underwater, reaction tank surface, is placed with on this grid that the thick glass steel cloth bag of about 50mm is equipped with gac so that absorption remains O
3The dyeing waste water water distributor is positioned on the packed gac, surperficial underwater.In the pond, waste water and O
3Cross-flow up and down.This moment, colourity reached below 80 times, and it is about 30% that COD removes again, and remaining larger molecular organics is the oxidized small-molecule substance that is decomposed into further.
3, Biochemistry Reaction System:
The combination ball-type filler (￠ 150mm plastic hollow porous spherical shell is filled out about 150-200 gram macrobead gac and nylon net in the ball, its proportion approaches 1) of volume about 30% is housed in the biochemistry pool, grid and air aeration pipe are arranged under the filler.Biochemical reaction tank divides three sections again: first section is anaerobic hydrolysis: under the anaerobic bacteria flora effect, larger molecular organics is converted into small organic molecule, bites the breeding of phosphorus bacterium jumpbogroup simultaneously, and nitrogen compound transfers ammonia nitrogen to.
Second section: the aerobic nitrification reactive system: most of organism is owing to the decomposition of a large amount of microorganisms, process such as synthetic change into CO
2And H
2O bites the phosphorus bacterium and absorbs phosphorus in a large number, and ammonia nitrogen transforms nitrate nitrogen.Owing to handle the microorganism of printing and dyeing water, its special efficacy flora belongs to this microorganism that generally is present in the physical environment in fact, just with the method for routine carried out domestication, spread cultivation, biofilm.The method of described routine is: printing and dyeing mill's sewage of the abundant amount of fetching is always arranged mouthful contains the same trade effluent of bacterium mud, clear water and nutriment (sanitary sewage or chemical fertilizer, some trade effluent does not need to add nutriment) mix sprinkle biological filter, back by suitable proportion, water outlet enters second pond, and with second pond as circulating water pool, circular flow.After microbial film mark phenomenon obviously appears in filter bed, be reference with the second pond effluent quality, in circulation, progressively adjust the ratio of trade effluent and water outlet, normal up to water outlet.At this moment, domestication-biofilm finishes.Because of microbial metabolism fast (20 minutes the fastest generation), easily tamed, and domestication back species easily are retained and breed.
The 3rd section is the oxygen section of holding concurrently: under double oxygen animalcule effect, nitrate nitrogen transfers N to
2And H
2O, by getting rid of the excess sludge dephosphorization, further degradation of organic substances is CO simultaneously
2+ H
2O, thus sewage is purified.
Make anaerobic hydrolysis and aerobic, double oxygen alternate repetition carry out about 12 hours of hydraulic detention time.
The principal pollutant index of water quality before handling:
COD1000-4000mg/L; Colourity 2500-5000 doubly; SS～500mg/L; BOD
5/ COD＜0.1; PH5-7;
Handle back water quality: COD≤150mg/L; Colourity≤80 times; SS≤80mg/L; BOD
5≤ 30mg/L; PH6-9.
Embodiment: Tianjin printing and dyeing mill, present main products is chemical ﹠ blended fabrics such as chemical fibre colored zone, uses weak acid dye to account for 70%, and reactive dyestuffs account for 20%, and also having other dispersion to wait dyestuff is 10%; In waste water, contain adhesive agent on a large amount of chemical fibres and fine chemical fiber and tinting material, adjustment agent or the like, leaving water temperature(LWT) is up to more than 70 ℃, but anaerobic hydrolysis such as no water collecting basin reaction, originally directly advanced Biochemistry Reaction System, behind the hydraulic retention 48 hours, COD clearance only about 20% always can not be up to standard, influences the development of enterprise.Water inlet COD1000-4000mg/L before it is handled; Colourity 2500-6000 extension rate; PH5-7; SS～500mg/L.Day water displacement 200m
3/ day.
It is as follows to transform aftertreatment technology by method of the present invention:
1, waste water is with containing Cl
2PH to 4 is regulated in sulfur waste acid, enters micro electrolytic reaction system, and aerated reaction 5-6 hour is filler with waste iron filing and charcoal (gac and selected slag) in the system.Filler: water=10～20: 100; Iron filings: charcoal=5～3: 1.
2, water outlet is regulated with NaClO, transfers PH6-7 to there not being Fe with NaOH
++(with the blue method qualitative detection in Prussian) adds anionic polyacrylamide then, flocculation, sedimentation, and supernatant liquid enters next processing unit.
3, enter the ozone catalytic reactive system, hydraulic detention time 6 hours, system is made up of three cement pits, and each is equipped with TiO
2Thick and the ozonation aerated system of the about 300mm of gac.Through reaction water outlet in 3-6 hour water white transparency, if COD be up to standard can the discharging, if not up to standardly enter following treatment system.
4, in above-mentioned water outlet, add earlier sodium bisulfite (0.5% solution) to the shallow lake little blue look of amount Faxian and show O
3Oneself removes.
5, enter Biochemistry Reaction System (biological filter process), the wherein used bacterium mud that contains is always arranged a mouthful extraction from this factory's sewage.Hydraulic detention time 12-20 hour (relevant with temperature), water outlet gets final product qualified discharge.
Claims (1)
1, a kind of treatment process to dyeing waste water with high COD value and high colour, its method may further comprise the steps:
1. will be that 1000-4000mg/L, colourity are＞5000 times dye printing and dyeing wastewater to contain 70% weakly acidic COD value, with containing Cl
2Useless H
2SO
4Regulate, making PH is 3～5, enters the micro cell reactive system then, hydraulic detention time 6-10 hour;
2. water outlet is regulated with NaClO, transfers to no Fe
++Exist, add NaOH to PH ≈ 6, add anionic polyacrylamide then and make Fe (OH)
3Poly-glue, precipitation;
3. supernatant liquid enters with being loaded with nano level TiO
2Activated carbon catalysis O
3Oxidation system, the middle level of reaction tank dress gac 300mm bed thickness in the system, O
3Gas distribution system is positioned at its layer down, reacts after 3-6 hour water outlet NaHSO
3Remove O
3
4. enter Biochemistry Reaction System then, anaerobic hydrolysis and aerobic, double oxygen alternate repetition carry out, and hydraulic detention time 12-20 hour, can reach as the subscript discharge index:
Handle back water-quality guideline: COD≤150mg/L; Colourity≤80 times; SS＜50mg/L; PH6-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610014582 CN1884148A (en) | 2006-06-30 | 2006-06-30 | Process for treating dyeing waste water with high COD value and high colour |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610014582 CN1884148A (en) | 2006-06-30 | 2006-06-30 | Process for treating dyeing waste water with high COD value and high colour |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1884148A true CN1884148A (en) | 2006-12-27 |
Family
ID=37582471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610014582 Pending CN1884148A (en) | 2006-06-30 | 2006-06-30 | Process for treating dyeing waste water with high COD value and high colour |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1884148A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101343131B (en) * | 2008-06-13 | 2010-06-09 | 嘉兴学院 | Multi-stage joint degradation and recycling method of printing and dyeing wastewater |
| CN101314508B (en) * | 2008-06-11 | 2010-06-23 | 强光初 | Continuous inner electrolyser for wastewater treatment of dyeing |
| CN101921029A (en) * | 2009-12-21 | 2010-12-22 | 张世文 | Purification and disinfection device of nano-catalytic micro-electrolytic water and method thereof |
| CN101412571B (en) * | 2007-10-17 | 2011-06-01 | 上虞市金冠化工有限公司 | Wastewater recycling process in the production of azo dyes |
| CN102139995A (en) * | 2011-02-23 | 2011-08-03 | 上海化学工业区中法水务发展有限公司 | Treatment method of high-chroma chemical waste water |
| CN102358654A (en) * | 2011-09-21 | 2012-02-22 | 河海大学 | Device for treating high-chroma refractory organic waste water |
| WO2012083673A1 (en) * | 2010-12-24 | 2012-06-28 | 波鹰(厦门)科技有限公司 | Printing and dyeing wastewater treatment and reuse apparatus and method therefor |
| CN101962241B (en) * | 2009-07-24 | 2013-10-16 | 上海轻工业研究所有限公司 | COD treatment process of electroplating waste water |
| CN103755088A (en) * | 2014-01-23 | 2014-04-30 | 绍兴奇彩化工有限公司 | Treatment method of acid dye mother liquor wastewater |
| CN104030528A (en) * | 2014-05-27 | 2014-09-10 | 浙江虹达特种橡胶制品有限公司 | Processing method of printing and dyeing wastewater |
| CN105936535A (en) * | 2016-05-23 | 2016-09-14 | 河海大学 | Catalytic ozonation water treatment method and apparatus thereof |
-
2006
- 2006-06-30 CN CN 200610014582 patent/CN1884148A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101412571B (en) * | 2007-10-17 | 2011-06-01 | 上虞市金冠化工有限公司 | Wastewater recycling process in the production of azo dyes |
| CN101314508B (en) * | 2008-06-11 | 2010-06-23 | 强光初 | Continuous inner electrolyser for wastewater treatment of dyeing |
| CN101343131B (en) * | 2008-06-13 | 2010-06-09 | 嘉兴学院 | Multi-stage joint degradation and recycling method of printing and dyeing wastewater |
| CN101962241B (en) * | 2009-07-24 | 2013-10-16 | 上海轻工业研究所有限公司 | COD treatment process of electroplating waste water |
| CN101921029A (en) * | 2009-12-21 | 2010-12-22 | 张世文 | Purification and disinfection device of nano-catalytic micro-electrolytic water and method thereof |
| CN101921029B (en) * | 2009-12-21 | 2014-06-18 | 波鹰(厦门)科技有限公司 | Purification and disinfection device of nano-catalytic micro-electrolytic water and method thereof |
| WO2012083673A1 (en) * | 2010-12-24 | 2012-06-28 | 波鹰(厦门)科技有限公司 | Printing and dyeing wastewater treatment and reuse apparatus and method therefor |
| CN102139995A (en) * | 2011-02-23 | 2011-08-03 | 上海化学工业区中法水务发展有限公司 | Treatment method of high-chroma chemical waste water |
| CN102358654B (en) * | 2011-09-21 | 2013-05-15 | 河海大学 | A device for treating high chroma refractory organic wastewater |
| CN102358654A (en) * | 2011-09-21 | 2012-02-22 | 河海大学 | Device for treating high-chroma refractory organic waste water |
| CN103755088A (en) * | 2014-01-23 | 2014-04-30 | 绍兴奇彩化工有限公司 | Treatment method of acid dye mother liquor wastewater |
| CN104030528A (en) * | 2014-05-27 | 2014-09-10 | 浙江虹达特种橡胶制品有限公司 | Processing method of printing and dyeing wastewater |
| CN105936535A (en) * | 2016-05-23 | 2016-09-14 | 河海大学 | Catalytic ozonation water treatment method and apparatus thereof |
| CN105936535B (en) * | 2016-05-23 | 2018-11-09 | 河海大学 | A kind of method for treating water and device of O3 catalytic oxidation |
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