CN110040911A - A kind of processing method of cupric dyeing waste water with high salt - Google Patents
A kind of processing method of cupric dyeing waste water with high salt Download PDFInfo
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- CN110040911A CN110040911A CN201910373137.4A CN201910373137A CN110040911A CN 110040911 A CN110040911 A CN 110040911A CN 201910373137 A CN201910373137 A CN 201910373137A CN 110040911 A CN110040911 A CN 110040911A
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- waste water
- copper
- cupric
- water
- sludge
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- 239000002351 wastewater Substances 0.000 title claims abstract description 198
- 150000003839 salts Chemical class 0.000 title claims abstract description 31
- 238000004043 dyeing Methods 0.000 title claims abstract description 27
- 238000003672 processing method Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000000126 substance Substances 0.000 claims abstract description 25
- 238000001556 precipitation Methods 0.000 claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 claims abstract description 21
- 230000001112 coagulating effect Effects 0.000 claims abstract description 10
- 230000003750 conditioning effect Effects 0.000 claims abstract description 5
- 239000010865 sewage Substances 0.000 claims abstract description 4
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 claims description 40
- 239000010949 copper Substances 0.000 claims description 40
- 239000010802 sludge Substances 0.000 claims description 39
- 229910001431 copper ion Inorganic materials 0.000 claims description 36
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 28
- 229910052802 copper Inorganic materials 0.000 claims description 28
- 230000008569 process Effects 0.000 claims description 28
- 230000000694 effects Effects 0.000 claims description 21
- 230000003647 oxidation Effects 0.000 claims description 21
- 238000007254 oxidation reaction Methods 0.000 claims description 21
- 238000001704 evaporation Methods 0.000 claims description 17
- 230000008020 evaporation Effects 0.000 claims description 17
- 238000006386 neutralization reaction Methods 0.000 claims description 15
- 239000003344 environmental pollutant Substances 0.000 claims description 14
- 231100000719 pollutant Toxicity 0.000 claims description 14
- 150000004056 anthraquinones Chemical class 0.000 claims description 13
- 238000010612 desalination reaction Methods 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 238000005345 coagulation Methods 0.000 claims description 9
- 230000015271 coagulation Effects 0.000 claims description 9
- 230000007062 hydrolysis Effects 0.000 claims description 9
- 238000006460 hydrolysis reaction Methods 0.000 claims description 9
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 claims description 8
- 150000002790 naphthalenes Chemical class 0.000 claims description 8
- 230000008929 regeneration Effects 0.000 claims description 8
- 238000011069 regeneration method Methods 0.000 claims description 8
- 125000003118 aryl group Chemical group 0.000 claims description 7
- 230000018044 dehydration Effects 0.000 claims description 7
- 238000006297 dehydration reaction Methods 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- 238000004062 sedimentation Methods 0.000 claims description 7
- 241000234282 Allium Species 0.000 claims description 6
- 235000002732 Allium cepa var. cepa Nutrition 0.000 claims description 6
- 230000015556 catabolic process Effects 0.000 claims description 6
- 230000003197 catalytic effect Effects 0.000 claims description 6
- 238000006555 catalytic reaction Methods 0.000 claims description 6
- 230000001351 cycling effect Effects 0.000 claims description 6
- 238000006731 degradation reaction Methods 0.000 claims description 6
- 230000001590 oxidative effect Effects 0.000 claims description 6
- 239000002957 persistent organic pollutant Substances 0.000 claims description 6
- 238000004064 recycling Methods 0.000 claims description 6
- 230000009467 reduction Effects 0.000 claims description 6
- 239000000725 suspension Substances 0.000 claims description 6
- 239000002912 waste gas Substances 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 230000020477 pH reduction Effects 0.000 claims description 5
- 230000001376 precipitating effect Effects 0.000 claims description 5
- 150000004053 quinones Chemical class 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 229910017112 Fe—C Inorganic materials 0.000 claims description 3
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 3
- 239000000920 calcium hydroxide Substances 0.000 claims description 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 3
- 229910052731 fluorine Inorganic materials 0.000 claims description 3
- 239000011737 fluorine Substances 0.000 claims description 3
- 238000007131 hydrochloric acid regeneration reaction Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 239000002244 precipitate Substances 0.000 claims description 3
- 238000011084 recovery Methods 0.000 claims description 3
- 230000009719 regenerative response Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 239000006228 supernatant Substances 0.000 claims description 3
- 230000002195 synergetic effect Effects 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims 1
- 229910017435 S2 In Inorganic materials 0.000 claims 1
- 125000002490 anilino group Chemical class [H]N(*)C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 claims 1
- 239000012530 fluid Substances 0.000 claims 1
- 239000013049 sediment Substances 0.000 claims 1
- 238000012545 processing Methods 0.000 abstract description 28
- 231100000419 toxicity Toxicity 0.000 abstract description 5
- 230000001988 toxicity Effects 0.000 abstract description 5
- 238000011109 contamination Methods 0.000 abstract description 4
- 238000004065 wastewater treatment Methods 0.000 abstract description 2
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 238000005868 electrolysis reaction Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 150000002500 ions Chemical class 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 239000000975 dye Substances 0.000 description 5
- RECVMTHOQWMYFX-UHFFFAOYSA-N oxygen(1+) dihydride Chemical compound [OH2+] RECVMTHOQWMYFX-UHFFFAOYSA-N 0.000 description 5
- AZQWKYJCGOJGHM-UHFFFAOYSA-N 1,4-benzoquinone Chemical compound O=C1C=CC(=O)C=C1 AZQWKYJCGOJGHM-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 239000010786 composite waste Substances 0.000 description 4
- 238000007747 plating Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 150000001448 anilines Chemical class 0.000 description 3
- 230000001580 bacterial effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Chemical compound C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 description 2
- 239000001000 anthraquinone dye Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000003518 caustics Substances 0.000 description 2
- 239000000571 coke Substances 0.000 description 2
- ZFXTZKMYLJXJDY-UHFFFAOYSA-N copper;oxalonitrile Chemical compound [Cu].N#CC#N ZFXTZKMYLJXJDY-UHFFFAOYSA-N 0.000 description 2
- 238000004042 decolorization Methods 0.000 description 2
- 230000000593 degrading effect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005189 flocculation Methods 0.000 description 2
- 230000016615 flocculation Effects 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000000543 intermediate Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000000813 microbial effect Effects 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 125000004151 quinonyl group Chemical group 0.000 description 2
- 150000003384 small molecules Chemical class 0.000 description 2
- 239000002910 solid waste Substances 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 231100000167 toxic agent Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 239000003440 toxic substance Substances 0.000 description 2
- -1 Cl- Chemical class 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 238000010668 complexation reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 1
- QKSIFUGZHOUETI-UHFFFAOYSA-N copper;azane Chemical compound N.N.N.N.[Cu+2] QKSIFUGZHOUETI-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- PEVJCYPAFCUXEZ-UHFFFAOYSA-J dicopper;phosphonato phosphate Chemical compound [Cu+2].[Cu+2].[O-]P([O-])(=O)OP([O-])([O-])=O PEVJCYPAFCUXEZ-UHFFFAOYSA-J 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000012776 electronic material Substances 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 150000001455 metallic ions Chemical class 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000001629 suppression Effects 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
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
-
- 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
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- 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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
- C02F1/4672—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
-
- 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
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- 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
- C02F1/722—Oxidation by peroxides
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/02—Specific form of oxidant
- C02F2305/026—Fenton's reagent
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
Abstract
The invention discloses a kind of processing methods of cupric dyeing waste water with high salt, the present invention specifically includes the following steps: S1, carry out first each stock waste water sub-prime pretreatment, if waste water is divided into carried interest, S2, the pH to 2.5-3.5 that waste water is reconciled into the comprehensive production waste water of conditioning tank, S3, coagulative precipitation tank water outlet and initial rainwater, other low concentration wastewaters, the sanitary sewage full and uniform water quality in comprehensive adjustment pond, the present invention relates to techniques of Dyeing Wastewater Treatment fields.The processing method of cupric dyeing waste water with high salt, it can be achieved to carry out high and low concentration waste water " shunting of removing contamination ", both reduce added amount of chemical and effectively remove COD, wastewater biological toxicity is reduced again, improves the biodegradability of waste water, mitigates the load of subsequent biochemical processing, enhance biochemical treatment system operation stability, indices can achieve respective standard to waste water after processing, have economical and efficient, stable, it is easy to operate, high degree of automation.
Description
Technical field
The present invention relates to techniques of Dyeing Wastewater Treatment field, the processing method of specially a kind of cupric dyeing waste water with high salt.
Background technique
Chemical industry, printing and dyeing, plating, nonferrous smelting, nonferrous metal mine exploitation, electronic material poaching wastewater and DYE PRODUCTION etc.
The waste water for containing a large amount of copper ions is often generated in the process, has divalent state copper ion and a valence state copper ion by the valence state of copper ion；
There are free copper (such as Cu2+) and complex copper (such as copper cyanogen complex ion [Cu (CN) 3] 2-, copper ammonia complexation [Cu (NH3) by existing form
42+] etc.), in the industries copper-containing wastewater such as dyestuff, plating, copper ion often exists with complex pattern, such as copper cyanogen complex ion [Cu
(CN) 2]-, [Cu (CN) 3] 2-, [Cu (CN) 4] 3-, it is considered that Cu in waste water cyanogen complex ion is mainly deposited with [Cu (CN) 3] 2-
Copper chlorine complex ion is broken down into Cu+ and Cl-, and disproportionated reaction can spontaneously occur in aqueous solution, become two for univalent copper ion
Valence copper ion, be primarily present by taking acid copper-plating waste water as an example, in waste water Cu2+, H+, Fe2+, Fe3+ etc. cation and SO42-,
The anion such as Cl-, the 300~450mg/L of ion containing Cyanide in cyanide electroplating poaching wastewater, containing univalent copper ion 400~
550mg/L, the ingredient of copper-containing wastewater: since the process that waste water generates is different, the existence of copper ion, quality in copper-containing wastewater
Composition in concentration and waste water is not also identical, differs greatly, the pollutant in copper-containing wastewater that plating production process generates,
Such as copper sulphate, sulfuric acid, cupric pyrophosphate, mass concentration is in 100mg/L and 50mg/L hereinafter, what board production process generated
Copper-containing wastewater has containing copper etchant solution and washes etc., and mass concentration is in 130~150mg/L and 20mg/L hereinafter, dyestuff is raw
The mass concentration for producing copper-containing wastewater is 1291mg/L, and copper mine copper-containing wastewater, mass concentration is tens to several hundred milligrams per liter.
Contain a small amount of product and middle ex vivo, naphthalenes pollutant, anthraquinone pollutant and copper ion in technique waste water at present
Complicated Deng, organism kinds, hard-degraded substance is more, and for effluent part COD at concentrations up to tens of thousands of mg/L, individual organic matters are not only dense
The characteristics of degree is high, but also is the discharge of Chemical Engineering Projects strict control, the chemicals for forbidding discharge, existing waste water is main
Are as follows:
(1), waste water is the waste water generated in multiple product production process, many kinds of, complicated component, COD higher；
(2), waste water intermittent discharge, water quality and quantity fluctuation is larger, and there are impact loads；
(3), sub-thread waste water water is little, but Pollutants in Wastewater complicated component, and many kinds of, hardly degraded organic substance contains
Amount is higher, is more toxic.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, it the present invention provides a kind of processing method of cupric dyeing waste water with high salt, solves
Existing cupric dyeing waste water with high salt is many kinds of, complicated component, COD higher, waste water intermittent discharge, and water quality and quantity fluctuation is larger,
There are impact load, hardly degraded organic substance content is higher in waste water, is more toxic, pollution environment and the problem for administering difficulty.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs: a kind of cupric dyeing waste water with high salt
Processing method, specifically includes the following steps:
S1, carry out first each stock waste water sub-prime pretreatment, if waste water is divided into carried interest, be respectively as follows: cupric high-salt wastewater,
Naphthalenes waste water, other green onion quinones waste water, amino benzene analog waste water, other production waste water and waste gas pollution control and treatment generate waste water, wherein cupric
Waste water salt content is higher, therefore uses " second level neutralization precipitation+triple effect evaporation desalination ", and naphthalenes waste water is using " air bearing+multidimensional electricity is urged
Change " pretreating process, oil substances and fine suspension in waste water first are removed through air bearing, reduce various impurity to multidimensional electricity
The influence of catalysis, other Anthraquinones waste water are generated to enter together with waste water and be adjusted after being collected separately with other production waste water, waste gas pollution control and treatment
Section pond carries out mixing well for water quality and water；
S2, the pH to 2.5-3.5 that waste water is reconciled into the comprehensive production waste water of conditioning tank, are lifted into fluffy bed by pump
Light electrolysis and UV-CU-Fenton advanced oxidation system, the countless micro cells of Fe-C composition are as reduction system by the virtue in waste water
The reduction of ring branch destroys, and water outlet enters coagulative precipitation tank, adds sodium hydroxide, a small amount of calcium hydroxide and PAM and carries out coagulation
Precipitating, while the flocculation of Fe (Il) can be given full play to, reduce processing cost；
S3, coagulative precipitation tank water outlet and initial rainwater, other low concentration wastewaters, sanitary sewage are abundant in comprehensive adjustment pond
Uniform water quality, water, water system are promoted to main body biochemical treatment system, pass through the same of anaerobic fixed film reactor substantially degradation of organic substances first
The biodegradability of Shi Tigao waste water flows automatically to A/O system again, and the mixed liquor of aerobic tank flows back into anoxic pond, consumption mixing phegma
In remaining dissolved oxygen, and biological selector can be played the role of, SRIC anaerobic reactor processing high concentrated organic wastewater,
High suspended matter and high bio-toxicity waste water and intermittent production field of wastewater have unique advantage, and SRIC anaerobic reactor sludge is raw
Long speed is fast, inlet flow-patterm > 5.0 can be met the requirements, and it is uniform to save caustic dosage, water distribution, and no blocking, anti impulsion load be strong, toxicity
Inhibit tolerance, the granule sludge strain in SRIC is then different, is by counting in terms of necessarily or even more than one hundred million different floras are constituted
The complicated ecosystem, thus be adapted to different water quality condition and the waste water containing toxicant and can effectively reduce
CU2+ is poisoned and is inhibited to A/O system microorganism；
S4, bio-chemical effluent enter discharge pond by measuring canal after the solid suspension in two heavy removal waste water, into
Row qualified discharge, once not up to standard, waste water is after passing through valve transfer, to store into accident pool, and returned by elevator pump for water outlet
Comprehensive adjustment pond is gone back to be handled again；
The sludge that S5, Wastewater Pretreatment generate is dangerous solid waste, it is necessary to carry out safe disposal, the sludge that biochemical system generates
Amount is also larger, and biochemical sludge and materialized mud are separately handled, disposed respectively after dehydration；
S6, cupric high-salt wastewater enter collecting pit A, enter back into second level neutralization precipitation Chi Bingxiang sedimentation basin later and metal is added
Agent for capturing precipitates to be formed with CU2+ in waste water, and precipitating is arranged by the sludge drainage system in second level neutralization precipitation pond with sludge
Out, high-salt wastewater supernatant enters triple effect evaporation and enters back into after desalination, copper-contained sludge enter sludge resource recovery pond to realize
Plate and frame filter press realizes that copper-contained sludge mechanical dehydration, cupric mud cake enter catalytic regeneration device and dissolving with hydrochloric acid regeneration are added, and makes it
Becoming solution, wherein CU2+ is used as the agent of Fenton high grade oxidation catalytic under the synergistic effect of UV ultraviolet light again, to organic in waste water
Object carries out mineralising or improves the biodegradability of pollutant by oxidation, by bed mud is discharged to secondary settling tank after a series of reaction
It is detected with copper ion on-line detector, dry mud is collected into copper-contained sludge resource reclaim pond after plate and frame filter press press dewatering
It carries out being enriched with and entering the regeneration of regenerative response kettle acid adding, there is still a need for copper ion on-line detectors to monitor content of copper ion at this time,
It is directly entered recycling copper device production recycling metallic copper when content of copper ion is greater than 3000mg/L, otherwise continues cycling through.
Preferably, anthraquinone type organic, and multi-dimensional electro-catalytic can be effectively removed during the step S1 triple effect evaporation
The Strong oxdiative particle of generation being capable of persistent organic pollutants in oxidized waste water.
Preferably, since microelectrolysis process generates Fe (Il) in the step S2, catalysis H2O2 generation strong oxidizing property-
OH, and then Oxidative demage aromatic ring and the fluorine on aromatic ring can be made to remove.
Preferably, A/O system completes denitrogenation while degradation of organic substances in the step S3, before A/O service system
End increases the treatment process of hydrolysis acidification+SRIC anaerobic reactor, reaches 92-95% to the removal rate of COD.
Preferably, that canal is measured in the step S4 is internally provided with online COD and NH3-N monitor.
Preferably, in the step S6 when bed mud content of copper ion is greater than 4mg/L, A/O system sludge, which no longer flows back, to be needed
Replace sludge, if be less than 4mg/L when if continue cycling through.
(3) beneficial effect
The present invention provides a kind of processing methods of cupric dyeing waste water with high salt.Have compared with prior art following beneficial
Effect:
(1), the processing method of cupric dyeing waste water with high salt, by using " UV-cu-Fenton oxidation+coagulating sedimentation
Strong oxdiative technology and coagulation solid-liquid separation technique can be organically combined, greatly improve organic contamination difficult to degrade by method "
The treatment effect of object waste water has treatment effect stabilization, technology controlling and process simple, using weak electrolysis mechanism processing high concentration anthraquinone dye
Material production waste water, when passing through dyeing waste water in iron filings and coke mixed column, the COD and chroma removal rate of waste water are respectively reached
About 53.2% and 55.0%, then handled using UV-cu-Fenton oxidation processing technique, waste water COD and chroma removal rate respectively can
Up to 80% and 87%, " hydrolysis acidification+aerobic " technology is convenient with operational management, and low energy consumption, and sludge yield is low and operating cost
Low advantage also has preferable effect in processing low concentration persistent organic pollutant wastewater, and anaerobic hydrolysis will be in waste water
The larger molecular organics such as anthraquinone be converted into degradable small-molecule substance, destroy the chromophoric group of dye molecule, reduce waste water
Coloration, the removal rate of COD and coloration can be effectively improved by extending the anaerobic hydrolysis processing residence time, then by aerobic biochemical
Manage the pollutant in further degrading waste water.
(2), the processing method of cupric dyeing waste water with high salt can remove 90% by using UV-cu-Fenton oxidation
Above aniline, aniline belong to suitable oxidation material, after being uniformly mixed water quality with other waste water, then by " multi-dimensional electro-catalytic+
After light electrolysis+Fenton oxidation+anaerobism+aerobic " processing, the discharge of minimum amount may be implemented.
(3), the processing method of cupric dyeing waste water with high salt, by using " second level neutralization+coagulating sedimentation " is aided with metal
Ion-trapping agent handles copper-containing wastewater, can effectively remove Cu in waste water ion, it is ensured that Cu in waste water ion it is up to standard
Discharge, and can steely sludge to high concentration carry out resource regeneration, recycle copper ion, in level-one and coagulation to adjust pH be 10 left
The right side, in second level and coagulation to adjust pH be 8 or so, after the processing of the two-stage precipitation method, 29.9% or more Cu2+ removal efficiency, then lead to
Cross effective absorption of metal agent for capturing, it is ensured that water outlet reaches < 0.5mg/L.
(4), the processing method of cupric dyeing waste water with high salt removes copper removal by second level neutralization precipitation by using first consideration
After ion, then it is evaporated desalination, reduces the salinity of waste water, it is ensured that subsequent biochemical handles the activity of microbial bacterial, due to anthracene
The boiling point of quinone is 377 DEG C, therefore the Pigment Intermediates containing a species of orchid quinone structure or product are most in the evaporation process of waste water
It will all be deposited in residue, to also achieve effectively removing for green onion quinones pollutant, substantially increase in copper ions waste water
Copper ion, salinity and anthraquinone pollutant throughout manage the removal efficiency of unit.
(5), the processing method of cupric dyeing waste water with high salt, by using evaporation desalination, in copper ions composite waste
Second level neutralization precipitation treatment process after be arranged triple effect evaporation unit, after triple effect evaporation is handled, the abraum salt of generation is sent waste water
Toward profession danger degree processing unit fixed-end forces center disposition, it can be achieved that carrying out " shunting of removing contamination " to high and low concentration waste water, to containing
There is strict control, the chemical wastewater of discharge is forbidden to carry out " classification pretreatment ", had both reduced added amount of chemical and effectively removed
COD, and wastewater biological toxicity is reduced, the biodegradability of waste water is improved, the load of subsequent biochemical processing is mitigated, enhances biochemical treatment
System run all right, using the treatment process and process for being suitable for Treatment of Copper dyeing waste water with high salt, waste water is each after processing
Item index can achieve respective standard, have economical and efficient, and resource is rationally recycled and efficiently used, is utilized to greatest extent
Such waste water characteristic had not only allowed copper ion to act as the catalyst of Fenton advanced oxidation, but also was to realize measuring copper and resource time
It receives, stable, easy to operate, high degree of automation.
Detailed description of the invention
Fig. 1 is the sub-prime pretreatment of each stock waste water of the present invention and adjusts equal process flow chart；
Fig. 2 is the process flow chart of the subsequent processing of waste water of the present invention；
Fig. 3 is the prediction table figure that copper-containing wastewater of the present invention pre-processes efficiency；
Fig. 4 is the prediction table figure of naphthalenes Wastewater Pretreatment efficiency of the present invention；
Fig. 5 is the prediction table figure of the other Anthraquinones Wastewater Pretreatment efficiency of the present invention；
Fig. 6 is the prediction table figure that amino benzene analog waste water of the present invention pre-processes efficiency；
Fig. 7 is the prediction table figure of each processing unit salinity of the present invention；
Fig. 8 is the prediction table figure that comprehensive wastewater of the present invention pre-processes efficiency.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-8 is please referred to, the embodiment of the present invention provides a kind of technical solution: a kind of processing side of cupric dyeing waste water with high salt
Method, specifically includes the following steps:
S1, carry out first each stock waste water sub-prime pretreatment, if waste water is divided into carried interest, be respectively as follows: cupric high-salt wastewater,
Naphthalenes waste water, other green onion quinones waste water, amino benzene analog waste water, other production waste water and waste gas pollution control and treatment generate waste water, wherein cupric
Waste water salt content is higher, therefore uses " second level neutralization precipitation+triple effect evaporation desalination ", and naphthalenes waste water is using " air bearing+multidimensional electricity is urged
Change " pretreating process, oil substances and fine suspension in waste water first are removed through air bearing, reduce various impurity to multidimensional electricity
The influence of catalysis, other Anthraquinones waste water are generated to enter together with waste water and be adjusted after being collected separately with other production waste water, waste gas pollution control and treatment
Section pond carries out mixing well for water quality and water, by addition to content of copper ion is higher other than, also containing green onion quinone in copper ions composite waste
Pollutant, salinity is also higher, reaches 9.47%；
S2, the pH to 2.5-3.5 that waste water is reconciled into the comprehensive production waste water of conditioning tank, are lifted into fluffy bed by pump
Light electrolysis and UV-CU-Fenton advanced oxidation system, the countless micro cells of Fe-C composition are as reduction system by the virtue in waste water
The reduction of ring branch destroys, and water outlet enters coagulative precipitation tank, adds sodium hydroxide, a small amount of calcium hydroxide and PAM and carries out coagulation
Precipitating, while the flocculation of Fe (Il) can be given full play to, reduce processing cost；
S3, coagulative precipitation tank water outlet and initial rainwater, other low concentration wastewaters, sanitary sewage are abundant in comprehensive adjustment pond
Uniform water quality, water, water system are promoted to main body biochemical treatment system, pass through the same of anaerobic fixed film reactor substantially degradation of organic substances first
The biodegradability of Shi Tigao waste water flows automatically to A/O system again, and the mixed liquor of aerobic tank flows back into anoxic pond, consumption mixing phegma
In remaining dissolved oxygen, and biological selector can be played the role of, SRIC anaerobic reactor processing high concentrated organic wastewater,
High suspended matter and high bio-toxicity waste water and intermittent production field of wastewater have unique advantage, and SRIC anaerobic reactor sludge is raw
Long speed is fast, inlet flow-patterm > 5.0 can be met the requirements, and it is uniform to save caustic dosage, water distribution, and no blocking, anti impulsion load be strong, toxicity
Inhibit tolerance, the granule sludge strain in SRIC is then different, is by counting in terms of necessarily or even more than one hundred million different floras are constituted
The complicated ecosystem, thus be adapted to different water quality condition and the waste water containing toxicant and can effectively reduce
CU2+ is poisoned and is inhibited to A/O system microorganism, and the high salt in waste water has stronger suppression to biological bacterium in subsequent biochemical processing
Production is used, and is affected to biochemical bacterial penetration pressure, is caused cell dehydration, and biochemical treatment is difficult to run, conventional de- desalination method
For evaporative desalination, or biochemical treatment carried out using dilution, when cultivating exclusive on engineering construction salt bacterium also have certain progress and
It is mainly copper ions composite waste using the waste water that waste water salinity in this project is more than 5% or more, salinity is about 6- after mixing
10%；
S4, bio-chemical effluent enter discharge pond by measuring canal after the solid suspension in two heavy removal waste water, into
Row qualified discharge, once not up to standard, waste water is after passing through valve transfer, to store into accident pool, and returned by elevator pump for water outlet
Comprehensive adjustment pond is gone back to be handled again；
The sludge that S5, Wastewater Pretreatment generate is dangerous solid waste, it is necessary to carry out safe disposal, the sludge that biochemical system generates
Amount is also larger, and biochemical sludge and materialized mud are separately handled, disposed respectively after dehydration；
S6, cupric high-salt wastewater enter collecting pit A, enter back into second level neutralization precipitation Chi Bingxiang sedimentation basin later and metal is added
Agent for capturing precipitates to be formed with CU2+ in waste water, and precipitating is arranged by the sludge drainage system in second level neutralization precipitation pond with sludge
Out, high-salt wastewater supernatant enters triple effect evaporation and enters back into after desalination, copper-contained sludge enter sludge resource recovery pond to realize
Plate and frame filter press realizes that copper-contained sludge mechanical dehydration, cupric mud cake enter catalytic regeneration device and dissolving with hydrochloric acid regeneration are added, and makes it
Becoming solution, wherein CU2+ is used as the agent of Fenton high grade oxidation catalytic under the synergistic effect of UV ultraviolet light again, to organic in waste water
Object carries out mineralising or improves the biodegradability of pollutant by oxidation, by bed mud is discharged to secondary settling tank after a series of reaction
It is detected with copper ion on-line detector, dry mud is collected into copper-contained sludge resource reclaim pond after plate and frame filter press press dewatering
It carries out being enriched with and entering the regeneration of regenerative response kettle acid adding, there is still a need for copper ion on-line detectors to monitor content of copper ion at this time,
It is directly entered recycling copper device production recycling metallic copper when content of copper ion is greater than 3000mg/L, otherwise continues cycling through.
In the present invention, anthraquinone type organic can be effectively removed during step S1 triple effect evaporation, and multi-dimensional electro-catalytic produces
Raw Strong oxdiative particle being capable of persistent organic pollutants in oxidized waste water.
In the present invention, since microelectrolysis process generates Fe (Il) in step S2, catalysis H2O2 generates the-OH of strong oxidizing property,
And then Oxidative demage aromatic ring and the fluorine on aromatic ring can be made to remove.
In the present invention, A/O system completes denitrogenation while degradation of organic substances in step S3, in A/O service system front end
The treatment process for increasing hydrolysis acidification+SRIC anaerobic reactor reaches 92-95% to the removal rate of COD.
That canal is measured in the present invention, in step S4 is internally provided with online COD and NH3-N monitor.
In the present invention, in step S6 when bed mud content of copper ion is greater than 4mg/L, A/O system sludge no longer flows back needs
Replace sludge, if be less than 4mg/L when if continue cycling through.
In summary
By the present invention in that with " UV-cu-Fenton oxidation+coagulant sedimentation ", it can be by Strong oxdiative technology and coagulation solid-liquid
Isolation technics organically combines, and greatly improves the treatment effect of persistent organic pollutant wastewater, has processing effect
Fruit is stable, technology controlling and process is simple, and best electrocatalytic oxidation condition is tank voltage 10V, initial pH is 4, NaCl concentration 2g/L,
Continuous electrolysis 60min under this condition, COD removal rate and percent of decolourization are respectively 60.4% and 84.5%, at weak electrolysis mechanism
It manages high concentration anthraquinone dye and produces waste water, when passing through dyeing waste water in iron filings and coke mixed column, the COD and coloration of waste water are gone
Except rate respectively reaches about 53.2% and 55.0%, then handled using UV-cu-Fenton oxidation processing technique, waste water COD and color
Removal rate is spent respectively up to 80% and 87%, and " hydrolysis acidification+aerobic " technology is convenient with operational management, and low energy consumption, and sludge produces
The low advantages such as low with operating cost are measured, also there is preferable effect in processing low concentration persistent organic pollutant wastewater, detest
Larger molecular organics such as anthraquinones in waste water are converted degradable small-molecule substance by oxygen hydrolysis, destroys the color development of dye molecule
Group reduces the coloration of waste water, and the extension anaerobic hydrolysis processing residence time can effectively improve the removal rate of COD and coloration, then
Pass through the pollutant in the further degrading waste water of aerobic treatment；It can be removed by using UV-cu-Fenton oxidation again
90% or more aniline, aniline belong to suitable oxidation material, after being uniformly mixed water quality with other waste water, then pass through " multidimensional electricity
After catalysis+light electrolysis+Fenton oxidation+anaerobism+aerobic " processing, the discharge of minimum amount may be implemented；Then by using " second level
Neutralization+coagulating sedimentation " it is aided with metallic ion trapping agent to handle copper-containing wastewater, Cu in waste water ion can be effectively removed,
Ensure the qualified discharge of Cu in waste water ion, and can the steely sludge to high concentration carry out resource regeneration, recycle copper ion, level-one
Neutralizing coagulation and adjusting pH is 10 or so, and in second level and coagulation adjusting pH is 8 or so, and after the processing of the two-stage precipitation method, Cu2+ is gone
Except 29.9% or more efficiency, then pass through effective absorption of metal agent for capturing, it is ensured that water outlet reaches < 0.5mg/L；Later by using
First consider after removing copper ion by second level neutralization precipitation, then be evaporated desalination, reduces the salinity of waste water, it is ensured that subsequent biochemical
The activity for handling microbial bacterial, since the boiling point of anthraquinone is 377 DEG C, Pigment Intermediates or product containing a species of orchid quinone structure
The overwhelming majority will be all deposited in residue in the evaporation process of waste water, to also achieve effectively going for green onion quinones pollutant
It removes, substantially increases the removal efficiency that copper ions Cu in waste water ion, salinity and anthraquinone pollutant throughout manage unit；Together
When by using evaporation desalination, after the second level neutralization precipitation treatment process of copper ions composite waste be arranged triple effect evaporation list
Member, for waste water after triple effect evaporation is handled, the abraum salt of generation is sent to the danger degree processing unit fixed-end forces center disposition of profession, can
Realize to high and low concentration waste water carry out " shuntings of removing contamination ", to containing strict control, forbid discharge chemical wastewater carry out " divide
Class pretreatment " had not only reduced added amount of chemical and has effectively removed COD, but also reduced wastewater biological toxicity, improved the biochemical of waste water
Property, mitigate the load of subsequent biochemical processing, enhance biochemical treatment system operation stability, using being suitable for Treatment of Copper print with high salt
The treatment process and process of waste water are contaminated, indices can achieve respective standard to waste water after processing, have economical and efficient, money
Source rationally recycle with effective use, such waste water characteristic is utilized to greatest extent copper ion had both been allowed to act as the advanced oxygen of Fenton
The catalyst of change, and be to realize measuring copper and resource reclaim, stable, easy to operate, high degree of automation.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of processing method of cupric dyeing waste water with high salt, it is characterised in that: specifically includes the following steps:
S1, the sub-prime pretreatment for carrying out each stock waste water first, if waste water is divided into carried interest, are respectively as follows: cupric high-salt wastewater, naphthalenes
Waste water, other green onion quinones waste water, amino benzene analog waste water, other production waste water and waste gas pollution control and treatment generate waste water, wherein copper-containing wastewater
Salt content is higher, therefore uses " second level neutralization precipitation+triple effect evaporation desalination ", and naphthalenes waste water uses " air bearing+multi-dimensional electro-catalytic "
Pretreating process first removes oil substances and fine suspension in waste water through air bearing, reduces various impurity and urge multidimensional electricity
The influence of change, other Anthraquinones waste water are generated to enter together with waste water and be adjusted after being collected separately with other production waste water, waste gas pollution control and treatment
Pond carries out mixing well for water quality and water；
S2, the pH to 2.5-3.5 that waste water is reconciled into the comprehensive production waste water of conditioning tank, are lifted into the micro- electricity of fluffy bed by pump
Solution and UV-CU-Fenton advanced oxidation system, the countless micro cells of Fe-C composition are as reduction system by the aromatic ring branch in waste water
Chain reduction destroys, and water outlet enters coagulative precipitation tank, and it is heavy to add sodium hydroxide, a small amount of calcium hydroxide and PAM progress coagulation
It forms sediment；
S3, coagulative precipitation tank water outlet are full and uniform in comprehensive adjustment pond with initial rainwater, other low concentration wastewaters, sanitary sewage
Water quality, water, water system are promoted to main body biochemical treatment system, first by anaerobic fixed film reactor substantially degradation of organic substances while mention
The biodegradability of high waste water flows automatically to A/O system again, and the mixed liquor of aerobic tank flows back into anoxic pond, remains in consumption mixing phegma
Remaining dissolved oxygen；
S4, bio-chemical effluent enter discharge pond by measuring canal after the solid suspension in two heavy removal waste water, are reached
Mark discharge, water outlet is not once up to standard, after waste water passes through valve transfer, stores into accident pool, and is returned by elevator pump comprehensive
Conditioning tank is closed to be handled again；
S5, biochemical sludge and materialized mud are separately handled, is disposed respectively after dehydration；
S6, cupric high-salt wastewater enter collecting pit A, enter back into second level neutralization precipitation Chi Bingxiang sedimentation basin later and metal capture is added
Agent precipitates to be formed with CU2+ in waste water, and precipitating is discharged by the sludge drainage system in second level neutralization precipitation pond with sludge, high
Salt wastewater supernatant fluid enters triple effect evaporation and enters back into sheet frame pressure after desalination, copper-contained sludge enter sludge resource recovery pond to realize
Filter realizes that copper-contained sludge mechanical dehydration, cupric mud cake enter catalytic regeneration device and dissolving with hydrochloric acid regeneration are added, it is made to become molten
Wherein CU2+ is used as the agent of Fenton high grade oxidation catalytic under the synergistic effect of UV ultraviolet light to liquid again, carries out to useless Organic substance in water
Mineralising or the biodegradability that pollutant is improved by oxidation, by after a series of reaction to secondary settling tank discharge bed mud copper from
Sub- on-line detector is detected, and dry mud is collected into copper-contained sludge resource reclaim pond and carries out richness after plate and frame filter press press dewatering
Collect and enter regenerative response kettle acid adding regeneration, at this time there is still a need for copper ion on-line detector monitor content of copper ion, when copper from
Sub- content is directly entered recycling copper device production recycling metallic copper when being greater than 3000mg/L, otherwise continue cycling through.
2. a kind of processing method of cupric dyeing waste water with high salt according to claim 1, it is characterised in that: the step S1
Can effectively remove anthraquinone type organic during triple effect evaporation, and the Strong oxdiative particle that generates of multi-dimensional electro-catalytic can aoxidize it is useless
Persistent organic pollutants in water.
3. a kind of processing method of cupric dyeing waste water with high salt according to claim 1, it is characterised in that: the step S2
In Fe (Il) is generated due to microelectrolysis process, catalysis H2O2 generates the-OH of strong oxidizing property, and then Oxidative demage aromatic ring and can make
Fluorine removing on aromatic ring.
4. a kind of processing method of cupric dyeing waste water with high salt according to claim 1, it is characterised in that: the step S3
Middle A/O system completes denitrogenation while degradation of organic substances, and it is anti-to increase hydrolysis acidification+SRIC anaerobism in A/O service system front end
The treatment process for answering device reaches 92-95% to the removal rate of COD.
5. a kind of processing method of cupric dyeing waste water with high salt according to claim 1, it is characterised in that: the step S4
Middle metering canal is internally provided with online COD and NH3-N monitor.
6. a kind of processing method of cupric dyeing waste water with high salt according to claim 1, it is characterised in that: the step S6
In when bed mud content of copper ion is greater than 4mg/L, A/O system sludge no longer flow back and needs replacing sludge, when less than 4mg/L if
It continues cycling through.
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