CN110422948A - Copper sulphate Sewage treatment metallic copper treatment process is electroplated - Google Patents
Copper sulphate Sewage treatment metallic copper treatment process is electroplated Download PDFInfo
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- CN110422948A CN110422948A CN201910662280.5A CN201910662280A CN110422948A CN 110422948 A CN110422948 A CN 110422948A CN 201910662280 A CN201910662280 A CN 201910662280A CN 110422948 A CN110422948 A CN 110422948A
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 28
- 239000010949 copper Substances 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 22
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 title claims abstract description 14
- 230000008569 process Effects 0.000 title claims abstract description 14
- 239000010865 sewage Substances 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000012141 concentrate Substances 0.000 claims abstract description 21
- 239000013505 freshwater Substances 0.000 claims abstract description 20
- 239000002351 wastewater Substances 0.000 claims abstract description 19
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 16
- 238000007747 plating Methods 0.000 claims abstract description 16
- 238000009713 electroplating Methods 0.000 claims abstract description 11
- 238000005119 centrifugation Methods 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 238000004064 recycling Methods 0.000 claims abstract description 6
- 238000004140 cleaning Methods 0.000 claims abstract description 5
- 238000001914 filtration Methods 0.000 claims abstract description 4
- 230000009471 action Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 claims description 3
- 229910001431 copper ion Inorganic materials 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 238000001223 reverse osmosis Methods 0.000 claims description 2
- 238000011084 recovery Methods 0.000 abstract description 4
- 239000000356 contaminant Substances 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 150000002500 ions Chemical class 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- 238000012545 processing Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 229910001385 heavy metal Inorganic materials 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 229910021645 metal ion Inorganic materials 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000004070 electrodeposition Methods 0.000 description 2
- 238000000909 electrodialysis Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 239000011133 lead Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003957 anion exchange resin Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 235000003891 ferrous sulphate Nutrition 0.000 description 1
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 229910001948 sodium oxide Inorganic materials 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 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
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D21/00—Processes for servicing or operating cells for electrolytic coating
- C25D21/16—Regeneration of process solutions
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/442—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
-
- 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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
- C02F1/4693—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis electrodialysis
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention discloses a kind of plating copper sulphate Sewage treatment metallic copper treatment process, copper-contained electroplating wastewater collection is into raw water bucket, copper-contained electroplating waste water is inputted in level-one NF system and is filtered, isolate fresh water and concentrate, by fresh water by the further advanced treating of RO system, RO system generates pure water and is back to use copper facing cleaning product line；Simultaneously, concentrate is inputted in second level NF system and is filtered, concentrate is inputted in second level NF concentrated water bucket and is concentrated, multiple circulating filtration concentration of the concentrate by second level NF system and concentration bucket, fresh water and dope are electrolysed out in concentrate input electric dialyzator, fresh water is recycled in input raw water bucket and is stored, dope is inputted into centrifugation electrolysis machine, cathode copper is precipitated, cathode copper is back to use in plating copper plating tank again and is recycled, can in Recycling of waste liquid 95% or more copper, copper recovery is high, process is simple, it is easy to operate, it is generated in this method without additional contaminants, produce environmentally friendly resource utilization purpose.
Description
Technical field
The invention belongs to field of waste water treatment, more particularly to the method to electroplating wastewater recycling metallic copper.
Background technique
In recent years, the various researchs in terms of electroplating wastewater processing are continuous, but could not reach thoroughly its pollution problem always, generate
Heavy metal pollution serious threat also is constituted to environment.Heavy metal ion has not biodegradable and biological concentration
Property, it is discharged into nature if not appropriately processed, high risks will be brought to ecological environment, so the governing problem of heavy metal wastewater thereby
Also by the concern of environment protection field.By the pollutant factor, waste water can be divided into cyanide wastewater, useless containing heavy metals such as zinc, nickel, copper and lead
Water, organic wastewater, acidity and alkaline waste water etc..Wherein the main methods of copper-containing wastewater have ferrous sulfate, inclined bisulfite
The reduction such as sodium, sodium sulfite, sulfur dioxide carries out ion exchange, electrochemical reduction, evaporation recycling using anion exchange resin
With absorption etc..These method and processes are complicated, investment cost is high, or need to add excess chemical medicament, sludge quantity big, and then generate two
The problem of secondary pollution, it is difficult to reach discharge standard.The copper in water is set to generate precipitating, this method using vulcanized sodium or sodium hydroxide
Processing cost is high and can be generated secondary pollution using vulcanized sodium, can be generated toxic gas.And these methods are to the copper of complex state
Waste water there is no treatment effect, and copper recovery is low, processing cost is high.
Summary of the invention
The present invention is directed to the technical issues of it is still necessary to solve and is able to provide that a kind of rate of recovery is high, copper-contained electroplating water treatment effect
Good plating copper sulphate Sewage treatment metallic copper treatment process.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention are as follows: at a kind of copper-contained electroplating Sewage treatment copper
The step of science and engineering skill, is as follows: firstly, plating copper sulphate cleaning wastewater collection cleans copper-contained electroplating in raw water bucket into raw water bucket
It is filtered in waste water input level-one NF system, isolates fresh water and concentrate；Then, fresh water is subjected to depths reason by RO system,
RO system is generated into pure water reuse production line, RO concentrate recirculation is continued to be concentrated to raw water bucket；Level-one NF concentrate inputs second level
It is filtered in NF system；Second level NF fresh water enters RO system, and second level NF concentrate is by the multiple circulating filtration concentration of second level NF system；
Then, fresh water and dope are separated under the action of direct current field force by electric drive film in concentrate input electric dialyzator, it will be light
It is stored in water circulation input raw water bucket；Then, dope is inputted into centrifugation electrolysis machine and cathode copper is precipitated；Finally, cathode copper is returned to
Coating bath recycling.
Further, the reverse osmosis pressure of the NF system is 0.8MPa.
Further, the operation temperature of the NF system is 25 DEG C.
Further, the copper-containing solution copper ion concentration is 3-5g/L.
Implement above-mentioned technical proposal, by the way that concentrate is concentrated again using electrodialysis, the concentrate after concentration is through centrifugation electricity
Solution machine recycles metallic copper, and the metallic copper being electrolysed out is then added to plating bath and provides copper ion for plating solution, can be in Recycling of waste liquid
95% or more copper, copper recovery is high, process is simple and convenient to operate, and generates in this method without additional contaminants, produces environment
The resource utilization purpose of friendly.
Detailed description of the invention
Fig. 1 is plating copper sulphate Sewage treatment metallic copper processing system schematic diagram.
Specific embodiment
Specific embodiments of the present invention will be further explained with reference to the accompanying drawing.It should be noted that for
The explanation of these embodiments is used to help understand the present invention, but and does not constitute a limitation of the invention.In addition, disclosed below
Each embodiment involved in technical characteristic can be combined with each other as long as they do not conflict with each other.
As shown in Figure 1, plating copper sulphate Sewage treatment metallic copper processing system is by raw water bucket, level-one NF system, second level NF
System, second level NF concentrated water bucket, electric dialyzator, centrifugation electrolysis machine and electroplating bath are sequentially connected composition, level-one NF system by pipeline
RO system is also connected by pipeline, RO system also passes through pipeline with electric dialyzator and connects raw water bucket.
The process of plating copper sulphate Sewage treatment metallic copper treatment process is:
1, it is stored in plating copper sulphate cleaning waste water input raw water bucket, electroplating wastewater is inputted into level-one NF system by booster pump
In.Level-one NF UF membrane is sent by the high-pressure pump of 0.8MPa by the waste water of NF, using Tao Shi NF film, pressure 0.8MPa, film is saturating
Cross liquid 2T/h, 25 DEG C of operation temperature, it is dense less than the pure water of 150 μ S and 10 times to generate conductivity for salt rejection rate (minimum) 90.0%
Contracting liquid.
2, level-one NF system isolates fresh water and concentrate, fresh water circulation production after fresh water is handled by RO system
Line, and concentrate continues to filter again in input second level NF system, concentrate continues to input in second level NF concentrated water bucket, cupric concentration
Liquid carries out circulation thickening filtration by second level NF system.
3, it is handled in concentrate input electric dialyzator, many ion selectivities is alternately arranged inside electric dialyzator and are penetrated
Film is separated into small water chamber.When raw water enters these cells, under the action of DC electric field, the ion in solution is just oriented
Migration.As a result a part of these cells is made to become the freshwater room seldom containing ion, water outlet is known as fresh water.And it is adjacent with freshwater room
Cell then become the concentrated water room for assembling a large amount of ions, water outlet is known as concentrated water.To make ion be separated and be concentrated, solution
Just it is purified.It is stored in the fresh water circulation input raw water bucket that electrodialysis generates.
4, cathode copper is precipitated in concentrate input centrifugation electrolysis machine electrolysis, is efficiently separated and purifying gold using centrifugation electrolysis tech
Belong to, which includes: many aspects such as copper, zinc, nickel, cobalt, lead, gold, silver and noble metal, possesses nearly hundred in the whole world
Family user.Centrifugation electrolysis tech is the new technology that one kind can carry out selective electrolysis (electrodeposition) to valuable metal, is particularly suitable for
Selective electrolysis (electrodeposition) separation and purification of low concentration solution, solution complex in composition are carried out in metallurgy industry, and by waste water
Middle heavy metal ion is removed.All electrolysis tech are established on electrochemistry basic theory, and electrolysis tech is centrifuged
It is unexceptional.Traditional electrolysis tech is placed on anode and cathode in slowly flowing or the groove body stagnated, under the action of electric field, yin
Ion is to anode displacement, and cation is to cathode displacement, and by controlling certain technical conditions, the metal to be obtained is positive
Ion obtains electronic deposition in cathode and is precipitated, to obtain electrolytic production.Metal ion obtains electronically forming metal Me+ in cathode
(aq)+e- → Me (S) anode reaction: the electronics that cathode obtains needs to lose electronics by anode to balance.Anode have it is several can
The reaction of energy, main reaction are that the water oxygenization in solution generates oxygen, are reacted as follows: 2H2O → O2 (g)+4H++4e-.Work as electricity
When solving the metal concentration in liquid reduces, it is difficult to ensure that metal is in cathodic reduction without other reactions.It is lower in metal concentration
When it is incidental chemical reaction be hydrogen generation, it is as follows: 2H+ (aq)+2e- → H2 (g).Centrifugation electrolysis tech is based on each
The difference of metal ion theory deposition potential, that is, the metal to be extracted will have biggish with other metal ions in solution system
Potential difference, then the metal of current potential calibration is easy to preferentially be precipitated in cathode, and key is flowed by high speed solution to eliminate concentration difference
Polarization etc. avoids traditional electrolyte process by many factors (ion concentration, deposition potential, concentration polarization to the unfavorable factor of electrolysis
Change, overvoltage, pH value etc.) influence limitation, the metal product of high quality can be produced by simple technical conditions.
5, cathode copper is added in electroplating bath and recycles, and it is up to standard that centrifugation electrolysis machine generation lean solution is drained into Sewage Disposal progress
Processing discharge.
In conjunction with attached drawing, the embodiments of the present invention are described in detail above, but the present invention is not limited to described implementations
Mode.For a person skilled in the art, in the case where not departing from the principle of the invention and spirit, to these embodiments
A variety of change, modification, replacement and modification are carried out, are still fallen in protection scope of the present invention.
Claims (4)
1. a kind of plating copper sulphate Sewage treatment metallic copper treatment process, it is characterised in that steps are as follows:
Firstly, plating copper sulphate cleaning wastewater collection inputs level-one into raw water bucket, by copper-contained electroplating cleaning waste water in raw water bucket
It is filtered in NF system, isolates fresh water and concentrate；
Then, fresh water is subjected to depths reason by RO system, RO system is generated into pure water reuse production line, RO concentrate recirculation is arrived
Raw water bucket continues to be concentrated；It is filtered in level-one NF concentrate input second level NF system；Second level NF fresh water enters RO system, and second level NF is dense
Contracting liquid is by the multiple circulating filtration concentration of second level NF system；
Then, fresh water and dope are separated under the action of direct current field force by electric drive film in concentrate input electric dialyzator,
Fresh water is recycled in input raw water bucket and is stored；
Then, dope is inputted into centrifugation electrolysis machine and cathode copper is precipitated；
Finally, cathode copper is returned to coating bath recycling.
2. plating copper sulphate Sewage treatment metallic copper treatment process according to claim 1, it is characterised in that: the NF system
The reverse osmosis pressure of system is 0.8mPa.
3. plating copper sulphate Sewage treatment metallic copper treatment process according to claim 1, it is characterised in that: the NF system
The operation temperature of system is 25 DEG C.
4. plating copper sulphate Sewage treatment metallic copper treatment process according to claim 1, it is characterised in that: the cupric
Solution copper ion depth is 3-5g/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910662280.5A CN110422948A (en) | 2019-07-22 | 2019-07-22 | Copper sulphate Sewage treatment metallic copper treatment process is electroplated |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910662280.5A CN110422948A (en) | 2019-07-22 | 2019-07-22 | Copper sulphate Sewage treatment metallic copper treatment process is electroplated |
Publications (1)
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| CN110422948A true CN110422948A (en) | 2019-11-08 |
Family
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| CN201910662280.5A Pending CN110422948A (en) | 2019-07-22 | 2019-07-22 | Copper sulphate Sewage treatment metallic copper treatment process is electroplated |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111252968A (en) * | 2020-03-04 | 2020-06-09 | 国初科技（厦门）有限公司 | Method for concentrating copper sulfate by using membrane technology |
| CN112062222A (en) * | 2020-11-12 | 2020-12-11 | 苏州普希环保科技有限公司 | High enriched brine decompression concentration system |
| CN113818051A (en) * | 2021-09-28 | 2021-12-21 | 江阴道达汽车饰件有限公司 | Nickel recovery device and process for electroplating automobile ornaments |
| CN114349240A (en) * | 2021-11-19 | 2022-04-15 | 苏州金渠环保科技有限公司 | Resource utilization method of copper in etching waste liquid |
| CN119430387A (en) * | 2024-11-11 | 2025-02-14 | 苏州万科环境工程有限公司 | A process for recovering copper sulfate and pure water from copper foil production wastewater |
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