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CN108218122A - A kind of PCB production lines Sewage treatment Copper treatment technique - Google Patents

A kind of PCB production lines Sewage treatment Copper treatment technique Download PDF

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Publication number
CN108218122A
CN108218122A CN201810041849.1A CN201810041849A CN108218122A CN 108218122 A CN108218122 A CN 108218122A CN 201810041849 A CN201810041849 A CN 201810041849A CN 108218122 A CN108218122 A CN 108218122A
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CN
China
Prior art keywords
copper
waste water
treatment
sludge
pcb production
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Pending
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CN201810041849.1A
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Chinese (zh)
Inventor
杨智皓
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Zhangjiagang Bai Kun Materials Co Ltd
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Zhangjiagang Bai Kun Materials Co Ltd
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Priority to CN201810041849.1A priority Critical patent/CN108218122A/en
Publication of CN108218122A publication Critical patent/CN108218122A/en
Pending legal-status Critical Current

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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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B15/00—Obtaining copper
    • C22B15/0026—Pyrometallurgy
    • C22B15/006—Pyrometallurgy working up of molten copper, e.g. refining
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
    • C25C1/00—Electrolytic production, recovery or refining of metals by electrolysis of solutions
    • C25C1/12—Electrolytic production, recovery or refining of metals by electrolysis of solutions of copper
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
    • C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
    • 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
    • C02F1/24—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
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • 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
    • C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
    • C02F1/62—Heavy metal 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
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
    • C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
    • 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
    • C02F2001/007—Processes including a sedimentation step
    • 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
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/30—Aerobic and anaerobic processes
    • C02F3/302—Nitrification and denitrification treatment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F7/00—Aeration of stretches of water
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Water Treatment By Sorption (AREA)

Abstract

The invention discloses a kind of PCB production lines Sewage treatment Copper treatment technique, including the steps：Pre-treatment, waste water is introduced into PH regulating reservoirs, enter Mechanical coagulation reaction tank, add in PAM, enter inclined-tube sedimentation tank, waste water by the 5th step carries out first-stage reverse osmosis, it is put into ethyl xanthate, add in lime, the clear liquid of generation enters A/O biochemical treatment integration apparatus by pipeline, it is connected to nanofilter, processing is dried in sludge, and copper-contained sludge is sintered, until agglomerate water content is less than 5%, agglomerate is moved into smelting furnace, add in flux, blister copper is moved into refining furnace, add in heavy oil, re-electrolysis, anode copper coin is as anode, copper sheet is as cathode, a kind of PCB production lines Sewage treatment Copper treatment technique of the present invention, technical flow design is reasonable, management is convenient, handle waste water effect stability.

Description

A kind of PCB production lines Sewage treatment Copper treatment technique
Technical field
The present invention relates to technical field of waste water processing, more particularly to a kind of PCB production lines Sewage treatment Copper treatment technique.
Background technology
Today's society, electronic technology rapid development, as the critical piece of electronic product, printed wiring board PCB is constantly strong Greatly, since the electronic product period is short, electronic product is eliminated soon, therefore produces a large amount of electronic wastes, and environment is caused seriously to endanger Evil, therefore printed wiring board needs to be recycled, and PCB recycling and utilization, the content of copper account for the three of entire pcb board weight / mono-, therefore, it is of great significance from waste and old PCB recycling copper.In printed wiring board recovery processing, it can generate a large amount of useless Water contains COD in waste water, and containing a large amount of copper ion, and nickel ion does not meet recycle-water requirement, it is necessary to by processing, be This, the present invention provides a kind of PCB production lines Sewage treatment Copper treatment techniques.
Invention content
The invention mainly solves the technical problem of providing a kind of PCB production lines Sewage treatment Copper treatment technique, Neng Goujian Change the recovery process of copper, reduce cost recovery, and environmental pollution can be eliminated.
A kind of PCB production lines Sewage treatment Copper treatment technique, including the steps：
The first step：Pre-treatment settles PCB production lines waste water by catch basin, passes through filter filtering removal big portion absolutely Divide solid impurity, then pass through activated carbon sand and filter column purification, the main suspended material removed in waste water, partial organic substances；
Second step：PCB production line waste water is introduced into PH regulating reservoirs, PH regulating reservoirs are connected with NaOH and increase with metering pump, and Aerator is provided in PH regulating reservoirs, carries out water quality adjustment, removes part CODcr；
Third walks：Waste water enters Mechanical coagulation reaction tank, the Mechanical coagulation after PH regulating reservoirs by pipeline Reaction tank is connected with PAC and increases with metering pump, and PAC is added in Mechanical coagulation reaction tank, and PAC is the abbreviation of aluminium polychloride, makees It is used for water purification agent or coagulant, easily quickly forms big alumen ustum, sedimentation function is good；
4th step：Mechanical flocculation tank, the machine are entered by pipeline by the waste water of Mechanical coagulation reaction tank Tool flocculation tank is connected with PAM and increases with metering pump, PAM is added in Mechanical coagulation reaction tank, PAM is a kind of non-ionic height Molecular flocculant is the abbreviation of polyacrylamide, has the flco that bigger is formed between particle, and resulting huge surface is inhaled Attached effect；
5th step：Inclined-tube sedimentation tank is entered by pipeline by the waste water of mechanical flocculation tank, the inclined plate sinks The heavy metal precipitation in waste water is got off in shallow lake pond, and sediment is connected to sludge concentration tank, and is connected with filter press and is filtered, mistake Sludge outward transport processing after filter；
6th step：Waste water by the 5th step carries out first-stage reverse osmosis, adjusts pressure so that Waste water concentrating gives up from level-one It is entered in second-level reverse osmosis device in water, it is similary to concentrate, secondary concentration liquid feeding three-level is reverse osmosis, it is highly concentrated after concentration Degree, adds in electrolysis system, carries out first time electrolysis, recycles cathode copper；
7th step：Waste water after the filtering of the 6th step, is put into ethyl xanthate, ethyl xanthate can remove lead ion, zinc Ion, nickel ion, removal rate can reach 95%；
8th step：Lime is added in, alkali is added into waste water, with entering sludge, supernatant liquid passes through GSF to the precipitation isolated Combination gas suspension machine further carry out solid-liquid separation or liquid-liquid separation, the solid isolated with entering sludge, on Layer liquid enters filtered water tank, and discharge is detected after being filtered by activated carbon；
9th step：The clear liquid of generation enters A/O biochemical treatment integration apparatus by pipeline, passes through A/O biochemical treatments；
Tenth step：Nanofilter is connected to by A/O biochemical treatment integration apparatus, is then introduced into domestic water Pond, so as to fulfill domestic water；
11st step：Processing is dried in sludge in 5th step, and copper-contained sludge is sintered, until agglomerate Water content is less than 5%, and sintering temperature is at 1200 degrees Celsius；
12nd step：Agglomerate is moved into smelting furnace by melting, adds in flux, meanwhile, it is continually fed into oxygen volumetric concentration The air of 30-40% is calcined, and obtains blister copper；
13rd step：Refining, blister copper are moved into refining furnace, while adding in heavy oil, are continually fed into oxygen volumetric concentration 90% air so that blister copper dissolves, and adds in reducing agent and quartz, obtains the anode copper coin and refining slag of cupric 98%；
14th step：Re-electrolysis, anode copper coin are placed in sulfuric acid and copper sulphate as anode, copper sheet as cathode Mixing liquid in, be continually fed into electric current and be electrolysed, control 60 degrees Celsius to 70 degrees Celsius of electrolysis temperature, electrolysis obtain cathode In re-electrolysis, in the electrolyte of copper sulphate and sulfuric acid, thiocarbamide is added in into electrolyte for cathode copper.
The beneficial effects of the invention are as follows：A kind of PCB production lines Sewage treatment Copper treatment technique of the present invention, technical flow design Rationally, management is convenient, handles waste water effect stability, meanwhile, the recycling of copper metal is realized, avoids secondary pollution, is saved The energy and production cost.
Specific embodiment
The preferred embodiments of the present invention will be described in detail below so that advantages and features of the invention can be easier to by It will be appreciated by those skilled in the art that so as to make a clearer definition of the protection scope of the present invention.
A kind of PCB production lines Sewage treatment Copper treatment technique, including the steps：
The first step：Pre-treatment settles PCB production lines waste water by catch basin, passes through filter filtering removal big portion absolutely Divide solid impurity, then pass through activated carbon sand and filter column purification, the main suspended material removed in waste water, partial organic substances；
Second step：PCB production line waste water is introduced into PH regulating reservoirs, PH regulating reservoirs are connected with NaOH and increase with metering pump, and Aerator is provided in PH regulating reservoirs, carries out water quality adjustment, removes part CODcr；
Third walks：Waste water enters Mechanical coagulation reaction tank, the Mechanical coagulation after PH regulating reservoirs by pipeline Reaction tank is connected with PAC and increases with metering pump, and PAC is added in Mechanical coagulation reaction tank, and PAC is the abbreviation of aluminium polychloride, makees It is used for water purification agent or coagulant, easily quickly forms big alumen ustum, sedimentation function is good；
4th step：Mechanical flocculation tank, the machine are entered by pipeline by the waste water of Mechanical coagulation reaction tank Tool flocculation tank is connected with PAM and increases with metering pump, PAM is added in Mechanical coagulation reaction tank, PAM is a kind of non-ionic height Molecular flocculant is the abbreviation of polyacrylamide, has the flco that bigger is formed between particle, and resulting huge surface is inhaled Attached effect；
5th step：Inclined-tube sedimentation tank is entered by pipeline by the waste water of mechanical flocculation tank, the inclined plate sinks The heavy metal precipitation in waste water is got off in shallow lake pond, and sediment is connected to sludge concentration tank, and is connected with filter press and is filtered, mistake Sludge outward transport processing after filter；
6th step：Waste water by the 5th step carries out first-stage reverse osmosis, adjusts pressure so that Waste water concentrating gives up from level-one It is entered in second-level reverse osmosis device in water, it is similary to concentrate, secondary concentration liquid feeding three-level is reverse osmosis, it is highly concentrated after concentration Degree, adds in electrolysis system, carries out first time electrolysis, recycles cathode copper；
7th step：Waste water after the filtering of the 6th step, is put into ethyl xanthate, ethyl xanthate can remove lead ion, zinc Ion, nickel ion, removal rate can reach 95%；
8th step：Lime is added in, alkali is added into waste water, with entering sludge, supernatant liquid passes through GSF to the precipitation isolated Combination gas suspension machine further carry out solid-liquid separation or liquid-liquid separation, the solid isolated with entering sludge, on Layer liquid enters filtered water tank, and discharge is detected after being filtered by activated carbon；
9th step：The clear liquid of generation enters A/O biochemical treatment integration apparatus by pipeline, passes through A/O biochemical treatments；
Tenth step：Nanofilter is connected to by A/O biochemical treatment integration apparatus, is then introduced into domestic water Pond, so as to fulfill domestic water；
11st step：Processing is dried in sludge in 5th step, and copper-contained sludge is sintered, until agglomerate Water content is less than 5%, and sintering temperature is at 1200 degrees Celsius；
12nd step：Agglomerate is moved into smelting furnace by melting, adds in flux, meanwhile, it is continually fed into oxygen volumetric concentration The air of 30-40% is calcined, and obtains blister copper；
13rd step：Refining, blister copper are moved into refining furnace, while adding in heavy oil, are continually fed into oxygen volumetric concentration 90% air so that blister copper dissolves, and adds in reducing agent and quartz, obtains the anode copper coin and refining slag of cupric 98%；
14th step：Re-electrolysis, anode copper coin are placed in sulfuric acid and copper sulphate as anode, copper sheet as cathode Mixing liquid in, be continually fed into electric current and be electrolysed, control 60 degrees Celsius to 70 degrees Celsius of electrolysis temperature, electrolysis obtain cathode In re-electrolysis, in the electrolyte of copper sulphate and sulfuric acid, thiocarbamide is added in into electrolyte for cathode copper.
The foregoing is merely the embodiment of the present invention, are not intended to limit the scope of the invention, every to utilize this hair The equivalent structure or equivalent flow shift that bright description is made directly or indirectly is used in other relevant technology necks Domain is included within the scope of the present invention.

Claims (3)

1. a kind of PCB production lines Sewage treatment Copper treatment technique, which is characterized in that including：The steps：
The first step：Pre-treatment settles PCB production lines waste water by catch basin, and it is solid to filter the removal overwhelming majority by filter Then body impurity filters column purification, the main suspended material removed in waste water, partial organic substances by activated carbon sand；
Second step：PCB production line waste water is introduced into PH regulating reservoirs, PH regulating reservoirs are connected with NaOH and increase with metering pump；
Third walks：Waste water enters Mechanical coagulation reaction tank, Mechanical coagulation reaction after PH regulating reservoirs by pipeline Pond is connected with PAC and increases with metering pump, and PAC is added in Mechanical coagulation reaction tank；
4th step：Mechanical flocculation tank, the machinery wadding are entered by pipeline by the waste water of Mechanical coagulation reaction tank Solidifying reaction tank is connected with PAM and increases with metering pump, and PAM is added in Mechanical coagulation reaction tank；
5th step：Inclined-tube sedimentation tank, the inclined-plate clarifying basin are entered by pipeline by the waste water of mechanical flocculation tank Heavy metal precipitation in waste water is got off, sediment is connected to sludge concentration tank, and is connected with filter press and is filtered, after filtering Sludge outward transport processing；
6th step：Waste water by the 5th step carries out first-stage reverse osmosis, adjusts pressure so that Waste water concentrating, from primary wastewater It enters in second-level reverse osmosis device, similary to concentrate, secondary concentration liquid feeding three-level is reverse osmosis, the high concentration after concentration, It adds in electrolysis system, carries out first time electrolysis, recycle cathode copper；
7th step：Waste water after the filtering of the 6th step, is put into ethyl xanthate；
8th step：Lime is added in, alkali is added into waste water, with entering sludge, supernatant liquid is combined the precipitation isolated by GSF Gas suspension machine further carry out solid-liquid separation or liquid-liquid separation, the solid isolated with entering sludge, upper liquid Body enters filtered water tank, and discharge is detected after being filtered by activated carbon；
9th step：The clear liquid of generation enters A/O biochemical treatment integration apparatus by pipeline, passes through A/O biochemical treatments；
Tenth step：Nanofilter is connected to by A/O biochemical treatment integration apparatus, is then introduced into domestic water pond, from And realize domestic water；
11st step：Processing is dried in sludge in 5th step, and copper-contained sludge is sintered；
12nd step：Agglomerate is moved into smelting furnace by melting, adds in flux, meanwhile, it is continually fed into oxygen volumetric concentration 30- 40% air is calcined, and obtains blister copper；
13rd step：Refining, blister copper are moved into refining furnace, while adding in heavy oil, are continually fed into oxygen volumetric concentration 90% Air so that blister copper dissolves, and adds in reducing agent and quartz, obtains the anode copper coin and refining slag of cupric 98%；
14th step：Re-electrolysis, for anode copper coin as anode, copper sheet is placed in the mixed of sulfuric acid and copper sulphate as cathode It closes in liquid, is continually fed into electric current and is electrolysed, control 60 degrees Celsius to 70 degrees Celsius of electrolysis temperature, electrolysis obtains catholyte Copper.
A kind of 2. PCB production lines Sewage treatment Copper treatment technique according to claim 1, which is characterized in that described In two steps, aerator is provided in PH regulating reservoirs, carries out water quality adjustment, removes part CODcr.
A kind of 3. PCB production lines Sewage treatment Copper treatment technique according to claim 1, which is characterized in that described In 14 steps, in the electrolyte of copper sulphate and sulfuric acid, thiocarbamide is added in into electrolyte.
CN201810041849.1A 2018-01-16 2018-01-16 A kind of PCB production lines Sewage treatment Copper treatment technique Pending CN108218122A (en)

Priority Applications (1)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108914164A (en) * 2018-08-09 2018-11-30 金陵科技学院 A method of Anti-Oxidation Copper Nanopowders are prepared from contained waste liquid recycling
CN109179893A (en) * 2018-10-11 2019-01-11 江门市奔力达电路有限公司 A kind of PCB wastewater treatment method and its system
CN109467262A (en) * 2018-10-29 2019-03-15 深圳骏泽环保有限公司 Board wastewater processing method based on special membrane
CN111559808A (en) * 2020-05-12 2020-08-21 广德华东电子电路发展有限公司 Treatment process for recovering copper from wastewater of PCB production line
CN112209539A (en) * 2019-07-10 2021-01-12 昆山卫司特环保设备有限公司 PCB waste copper liquid recovery processing system

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060260186A1 (en) * 2005-04-29 2006-11-23 Iversen Steen B Method and apparatus for converting organic material
CN101569889A (en) * 2009-03-27 2009-11-04 江苏技术师范学院 Novel process for all-component high-added-value clean utilization of waste circuit boards
US8303823B1 (en) * 2009-02-09 2012-11-06 NEI, Corp and Kennedy Use of nanoscale particles (nanoadditives) with cationic polymers to enhance conditioning and dewatering of sludge
CN202744400U (en) * 2012-06-20 2013-02-20 上海瑞勇实业有限公司 System for recycling electroplating wastewater and heavy metal ions
CN204752282U (en) * 2015-06-18 2015-11-11 广东嘉元科技股份有限公司 Copper foil waste water treatment production facility
CN105439393A (en) * 2016-01-04 2016-03-30 安徽律正科技信息服务有限公司 Electroplating wastewater treatment process
CN106498170A (en) * 2016-11-23 2017-03-15 肇庆市飞南金属有限公司 A kind of utilization copper-contained sludge produces the low energy consumption method of cathode copper
CN106978609A (en) * 2017-04-26 2017-07-25 昆山市益民环保技术开发有限公司 The recovery of copper and Comprehensive utilization method in copper-contained sludge
CN107129104A (en) * 2017-05-14 2017-09-05 安徽泛亚环保科技有限公司 A kind of processing method of the waste liquid containing heavy metal

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060260186A1 (en) * 2005-04-29 2006-11-23 Iversen Steen B Method and apparatus for converting organic material
US8303823B1 (en) * 2009-02-09 2012-11-06 NEI, Corp and Kennedy Use of nanoscale particles (nanoadditives) with cationic polymers to enhance conditioning and dewatering of sludge
CN101569889A (en) * 2009-03-27 2009-11-04 江苏技术师范学院 Novel process for all-component high-added-value clean utilization of waste circuit boards
CN202744400U (en) * 2012-06-20 2013-02-20 上海瑞勇实业有限公司 System for recycling electroplating wastewater and heavy metal ions
CN204752282U (en) * 2015-06-18 2015-11-11 广东嘉元科技股份有限公司 Copper foil waste water treatment production facility
CN105439393A (en) * 2016-01-04 2016-03-30 安徽律正科技信息服务有限公司 Electroplating wastewater treatment process
CN106498170A (en) * 2016-11-23 2017-03-15 肇庆市飞南金属有限公司 A kind of utilization copper-contained sludge produces the low energy consumption method of cathode copper
CN106978609A (en) * 2017-04-26 2017-07-25 昆山市益民环保技术开发有限公司 The recovery of copper and Comprehensive utilization method in copper-contained sludge
CN107129104A (en) * 2017-05-14 2017-09-05 安徽泛亚环保科技有限公司 A kind of processing method of the waste liquid containing heavy metal

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CN108914164A (en) * 2018-08-09 2018-11-30 金陵科技学院 A method of Anti-Oxidation Copper Nanopowders are prepared from contained waste liquid recycling
CN109179893A (en) * 2018-10-11 2019-01-11 江门市奔力达电路有限公司 A kind of PCB wastewater treatment method and its system
CN109467262A (en) * 2018-10-29 2019-03-15 深圳骏泽环保有限公司 Board wastewater processing method based on special membrane
CN112209539A (en) * 2019-07-10 2021-01-12 昆山卫司特环保设备有限公司 PCB waste copper liquid recovery processing system
CN111559808A (en) * 2020-05-12 2020-08-21 广德华东电子电路发展有限公司 Treatment process for recovering copper from wastewater of PCB production line

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