CN108238699A - A kind of processing method that organic wastewater is electroplated - Google Patents

A kind of processing method that organic wastewater is electroplated Download PDF

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Publication number
CN108238699A
CN108238699A CN201611209825.XA CN201611209825A CN108238699A CN 108238699 A CN108238699 A CN 108238699A CN 201611209825 A CN201611209825 A CN 201611209825A CN 108238699 A CN108238699 A CN 108238699A
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waste
waste liquid
processing
organic wastewater
added
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CN201611209825.XA
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Chinese (zh)
Inventor
胡栋明
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Dongguan Jin Yufeng Intellectual Property Service Co Ltd
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Dongguan Jin Yufeng Intellectual Property Service Co Ltd
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    • 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
    • C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
    • 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
    • C02F1/52—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
    • C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
    • 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
    • C02F1/66—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
    • C02F1/722—Oxidation by peroxides
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
    • 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
    • C02F2101/30—Organic compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/16—Nature of the water, waste water, sewage or sludge to be treated from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/05—Conductivity or salinity
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/06—Controlling or monitoring parameters in water treatment pH
    • 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
    • C02F2305/06—Nutrients for stimulating the growth of microorganisms
    • 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
    • C02F3/301—Aerobic and anaerobic treatment in the same reactor
    • 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
    • C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)

Abstract

The invention discloses a kind of processing methods that organic wastewater is electroplated, and are as follows：1. collecting 2. once oxidation, 3. 4. 5. 6. 7. Primary regulation PH precipitates 8. biodegradable 9. sterilize and 10. filters deionization secondary oxidation primary sedimentation three times for secondary precipitation.The method that the present invention is combined using chemical industry removal and biological bacteria degradation, removes the cation and organic matter in plating organic wastewater, more traditional processing method, at low cost, high treating effect, Waste Sulfuric Acid can be used simultaneously, allow waste utilization, and a certain amount of sanitary sewage can be handled.

Description

A kind of processing method that organic wastewater is electroplated
Technical field
The present invention relates to plating technical field for the treatment of of organic waste, the processing method of specifically a kind of plating organic wastewater.
Background technology
Electroplating facility or the waste water and waste liquid of workshop discharge, such as plating piece washings, useless tank liquor, component cooling water and flushing Face water etc., water quality is different due to production technology, and some contains chromium, have nickeliferous or containing cadmium, containing cyanogen, containing acid, containing alkali etc..In waste water Metal ion with the presence of in the form of simple cation, with the presence of in the form of acid radical anion, some is then with the network of complexity Anionic form is closed to exist.Often containing more than one harmful components in a kind of waste water, as existing cyanogen is again in cyanide cadmium waste water There is cadmium.In addition, often contain organic additive in general plating solution.
Organic wastewater, which is electroplated, to be needed, by processing, can just be discharged into nature, existing processing method, in use, It is costly, and still have a certain amount of harmful substance in the water obtained after handling.
Invention content
The technical problem to be solved by the present invention is to overcome the defects of the prior art, provide a kind of processing that organic wastewater is electroplated Method.
In order to solve the above technical problems, the present invention provides following technical scheme：A kind of processing method that organic wastewater is electroplated, It is as follows：
1. it collects：Plating organic wastewater is focused on by tuber drainage in processing pond；
2. once oxidation：Sewage is first done into acidic treatment, adjusts PH to 2-3, then oxidant is added into processing pond, the oxygen Agent is hydrogen peroxide, ferrous sulfate, ozone one kind therein, the additive amount of oxidant according to the concentration of harmful substance in waste water and It is fixed；
3. primary sedimentation：Processing pond is added in using acid, pH value is adjusted to 5.5-6, dephosphorization processing, waste liquid and waste residue point is done to waste water From waste residue does other processing, leaves and takes waste liquid reprocessing；
4. secondary oxidation：It adds in oxidant in the waste water 3. obtained to step to be aoxidized, oxidization time 10-20min is described Oxidant for hydrogen peroxide, ferrous sulfate one kind therein；
5. secondary precipitation：The waste liquid of step 4. is detached with waste residue, waste residue does other processing, leaves and takes waste liquid reprocessing；
6. Primary regulation PH：Sodium hydroxide solution is added in the waste liquid 5. obtained to step, adjusts pH value to 10-10.5；
7. it precipitates three times：PAC and POM is added into step 6. middle waste liquid, i.e. polyaluminium chloride and polyformaldehyde are rear to precipitate, waste liquid with Waste residue detaches, and waste residue does other processing, leaves and takes waste liquid reprocessing；
It is 8. biodegradable：Waste liquid is drained to hermetically sealed can, adds nutriment, added in by regulating step 7. middle waste liquid PH to 7-7.5 Anaerobic bacteria degradation 48h, is passed through and is stirred into hermetically sealed can, while adds in aerobic bacteria degradation 48h；
9. it sterilizes：Ozone is passed through into hermetically sealed can；
10. it filters：Waste liquid is detached with waste residue using vacuum filter, waste residue does other processing, waste liquid reprocessing is left and taken, by waste liquid Using RO reverse osmosis membrane processings, pure water is obtained；
Deionization：It is filtered after adding in anion-cation exchange resin in the pure water 10. obtained to step, obtains ultra-pure water, it is described Ultrapure water conductivity be less than 100 μ S/ ㎝.
Preferably, 3. middle acid is Waste Sulfuric Acid to the step.
Preferably, 8. middle nutriment is sanitary sewage to the step.
Preferably, 2. middle ozone is rich negative ion and ozone to the step, and negative ion concentration is 100000 to 1000000 It is every cubic metre a.
The present invention using chemical industry removal and the method that is combined of biological bacteria degradation, sun in removal plating organic wastewater from Son and organic matter, more traditional processing method, at low cost, high treating effect, while Waste Sulfuric Acid can be used, allow waste utilization, And a certain amount of sanitary sewage can be handled.Rich anion compressed air carries negative electrical charge, is conducive to the cohesion of molecule, can To improve deposition efficiency.
Description of the drawings
Fig. 1 is flow chart of the present invention.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, following embodiment carries out the present invention It is further described.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to limit The present invention.
A kind of processing method that organic wastewater is electroplated, is as follows：
1. it collects：Plating organic wastewater is focused on by tuber drainage in processing pond；
2. once oxidation：Sewage is first done into acidic treatment, adjusts PH to 2-3, then oxidant is added into processing pond, the oxygen Agent is hydrogen peroxide, ferrous sulfate, ozone one kind therein, the additive amount of oxidant according to the concentration of harmful substance in waste water and It is fixed；
3. primary sedimentation：Processing pond is added in using acid, pH value is adjusted to 5.5-6, dephosphorization processing, waste liquid and waste residue point is done to waste water From waste residue does other processing, leaves and takes waste liquid reprocessing.
4. secondary oxidation：It adds in oxidant in the waste water 3. obtained to step to be aoxidized, oxidization time 10-20min, The oxidant is hydrogen peroxide, ferrous sulfate one kind therein.
5. secondary precipitation：The waste liquid of step 4. is detached with waste residue, waste residue does other processing, leaves and takes waste liquid reprocessing；
6. Primary regulation PH：Sodium hydroxide solution is added in the waste liquid 5. obtained to step, adjusts pH value to 10-10.5；
7. it precipitates three times：PAC and POM is added into step 6. middle waste liquid, i.e. polyaluminium chloride and polyformaldehyde are rear to precipitate, waste liquid with Waste residue detaches, and waste residue does other processing, leaves and takes waste liquid reprocessing；
It is 8. biodegradable：Waste liquid is drained to hermetically sealed can, adds nutriment, added in by regulating step 7. middle waste liquid PH to 7-7.5 Anaerobic bacteria degradation 48h, is passed through and is stirred into hermetically sealed can, while adds in aerobic bacteria degradation 48h；
9. it sterilizes：Ozone is passed through into hermetically sealed can；
10. it filters：Waste liquid is detached with waste residue using vacuum filter, waste residue does other processing, waste liquid reprocessing is left and taken, by waste liquid Using RO reverse osmosis membrane processings, pure water is obtained；
Deionization：It is filtered after adding in anion-cation exchange resin in the pure water 10. obtained to step, obtains ultra-pure water, it is described Ultrapure water conductivity be less than 100 μ S/ ㎝.
2. middle ozone is rich negative ion and ozone to step, and negative ion concentration is 100000 to 1000000 every cubic metre.
The principle of the present invention and advantage：The method that the present invention is combined using chemical industry removal and biological bacteria degradation, removal Cation and organic matter in organic wastewater, more traditional processing method, at low cost, high treating effect is electroplated, while can make With Waste Sulfuric Acid, waste utilization is allowed, and can handle a certain amount of sanitary sewage.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.

Claims (4)

1. a kind of processing method that organic wastewater is electroplated, it is characterised in that：It is as follows：
1. it collects：Plating organic wastewater is focused on by tuber drainage in processing pond；
2. once oxidation：Sewage is first done into acidic treatment, adjusts PH to 2-3, then oxidant is added into processing pond, the oxygen Agent is hydrogen peroxide, ferrous sulfate, ozone one kind therein, the additive amount of oxidant according to the concentration of harmful substance in waste water and It is fixed；
3. primary sedimentation：Processing pond is added in using acid, pH value is adjusted to 5.5-6, dephosphorization processing, waste liquid and waste residue point is done to waste water From waste residue does other processing, leaves and takes waste liquid reprocessing；
4. secondary oxidation：It adds in oxidant in the waste water 3. obtained to step to be aoxidized, oxidization time 10-20min is described Oxidant for hydrogen peroxide, ferrous sulfate one kind therein；
5. secondary precipitation：The waste liquid of step 4. is detached with waste residue, waste residue does other processing, leaves and takes waste liquid reprocessing；
6. Primary regulation PH：Sodium hydroxide solution is added in the waste liquid 5. obtained to step, adjusts pH value to 10-10.5；
7. it precipitates three times：PAC and POM is added into step 6. middle waste liquid, i.e. polyaluminium chloride and polyformaldehyde are rear to precipitate, waste liquid with Waste residue detaches, and waste residue does other processing, leaves and takes waste liquid reprocessing；
It is 8. biodegradable：Waste liquid is drained to hermetically sealed can, adds nutriment, added in by regulating step 7. middle waste liquid PH to 7-7.5 Anaerobic bacteria degradation 48h, is passed through and is stirred into hermetically sealed can, while adds in aerobic bacteria degradation 48h；
9. it sterilizes：Ozone is passed through into hermetically sealed can；
10. it filters：Waste liquid is detached with waste residue using vacuum filter, waste residue does other processing, waste liquid reprocessing is left and taken, by waste liquid Using RO reverse osmosis membrane processings, pure water is obtained；
Deionization：It is filtered after adding in anion-cation exchange resin in the pure water 10. obtained to step, obtains ultra-pure water, it is described Ultrapure water conductivity be less than 100 μ S/ ㎝.
2. a kind of processing method that organic wastewater is electroplated according to claim 1, it is characterised in that：The step 3. middle acid For Waste Sulfuric Acid.
3. a kind of processing method that organic wastewater is electroplated according to claim 1, it is characterised in that：The step 8. in Nutriment is sanitary sewage.
4. a kind of processing method that organic wastewater is electroplated according to claim 1, it is characterised in that：The step 2. in Ozone is rich negative ion and ozone, and negative ion concentration is 100000 to 1000000 every cubic metre.
CN201611209825.XA 2016-12-24 2016-12-24 A kind of processing method that organic wastewater is electroplated Pending CN108238699A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111018182A (en) * 2019-12-20 2020-04-17 南京源泉环保科技股份有限公司 Recycling process of cyaniding cadmium plating electroplating rinsing water
CN111170530A (en) * 2018-11-13 2020-05-19 上海朗蔚环保科技有限公司 Electroplating wastewater treatment system

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050274678A1 (en) * 2003-07-30 2005-12-15 National Cheng Kung University Integrated technology in sequential treatment of organics and heavy metal ions wastewater
CN101817611A (en) * 2009-02-27 2010-09-01 潘志刚 Full automatic multifunctional high efficiency microbubble aerator
CN102616961A (en) * 2012-03-29 2012-08-01 李朝林 Method for degrading organic pollutant and recycling phosphate in chemical nickel-plating waste liquid
CN103466885A (en) * 2013-09-12 2013-12-25 安徽省绿巨人环境技术有限公司 Process for treating wastewater generated in solar silicon wafer production process
CN103508620A (en) * 2012-06-29 2014-01-15 天津市绿净源环保科技有限公司 Method for purifying reclaimed water subjected to electroplating combined waste water treatment
CN105601036A (en) * 2015-12-28 2016-05-25 北京北方节能环保有限公司 Method for treating chemical nickel plating waste water on basis of ozonation and biochemical technique
CN105819633A (en) * 2016-05-30 2016-08-03 安庆丰源化工有限公司 Method for chemical wastewater treatment

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050274678A1 (en) * 2003-07-30 2005-12-15 National Cheng Kung University Integrated technology in sequential treatment of organics and heavy metal ions wastewater
CN101817611A (en) * 2009-02-27 2010-09-01 潘志刚 Full automatic multifunctional high efficiency microbubble aerator
CN102616961A (en) * 2012-03-29 2012-08-01 李朝林 Method for degrading organic pollutant and recycling phosphate in chemical nickel-plating waste liquid
CN103508620A (en) * 2012-06-29 2014-01-15 天津市绿净源环保科技有限公司 Method for purifying reclaimed water subjected to electroplating combined waste water treatment
CN103466885A (en) * 2013-09-12 2013-12-25 安徽省绿巨人环境技术有限公司 Process for treating wastewater generated in solar silicon wafer production process
CN105601036A (en) * 2015-12-28 2016-05-25 北京北方节能环保有限公司 Method for treating chemical nickel plating waste water on basis of ozonation and biochemical technique
CN105819633A (en) * 2016-05-30 2016-08-03 安庆丰源化工有限公司 Method for chemical wastewater treatment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111170530A (en) * 2018-11-13 2020-05-19 上海朗蔚环保科技有限公司 Electroplating wastewater treatment system
CN111018182A (en) * 2019-12-20 2020-04-17 南京源泉环保科技股份有限公司 Recycling process of cyaniding cadmium plating electroplating rinsing water

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