CN106116005A - The process for reclaiming of electroplating wastewater and equipment thereof - Google Patents
The process for reclaiming of electroplating wastewater and equipment thereof Download PDFInfo
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- CN106116005A CN106116005A CN201610701825.5A CN201610701825A CN106116005A CN 106116005 A CN106116005 A CN 106116005A CN 201610701825 A CN201610701825 A CN 201610701825A CN 106116005 A CN106116005 A CN 106116005A
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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
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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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
- 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
- C02F1/048—Purification of waste water by evaporation
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
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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
- 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
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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
- 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
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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
- 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
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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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
- 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
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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
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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Abstract
The present invention provides process for reclaiming and the equipment thereof of electroplating wastewater, is that electroplating wastewater is divided into copper-containing wastewater, chromate waste water, cyanide wastewater, nickel-containing waste water, pre-treatment waste water five class；In copper-containing wastewater, chromate waste water, cyanide wastewater respective waste water reaction pond, add precipitant and regulate pH value, then processing through tube settler, ion exchange column, pressure filter, reverse osmosis machine and vaporizer successively；Pre-treatment waste water is after the filtration treatment of filter, then processes through reverse osmosis machine；In the waste water reaction pond of nickel-containing waste water, add precipitant and regulate pH value, through filtration treatment, then through ion-exchange treatment；Regenerated liquid produced by processing procedure returns waste water reaction pond circular treatment, reclaims RO clear water and solid metallic simultaneously.The present invention is for the process of electroplating wastewater, process stabilizing, easy and simple to handle, easily controllable, safe and reliable, operating cost is relatively low, and the waste water in processing procedure removes and is lost because of natural evaporation, and remaining is all back to electroplating cleaning process.
Description
Technical field
The present invention relates to the processing method of electroplating wastewater, be specifically related to by chemical method, ion exchange, reverse osmosis and evaporation
Combine the process for reclaiming of electroplating wastewater realized, and further relates to a kind of equipment realizing said method.The present invention relates to electricity
The processing method of waste electroplating, is specifically related to be exchanged by chemical method, ion, reverse osmosis and evaporation combine the electroplating wastewater realized
Process for reclaiming, further relate to a kind of equipment realizing said method.
Background technology
No matter electroplated product is in daily life, and in each industrial department field, indispensable and cannot
Substitute.But plating produces at home and abroad, since the dawn of human civilization, it is always " using water rich and influential family ", " waste discharge severe contamination natural environment
Rich and influential family ".At present, the commonly used method of chemical treatment of Domestic Plating industry carries out the pollution control of electroplating wastewater, uses the method
Although can reach qualified discharge, but there is the problem that operating cost is higher, more it is essential that use the method cannot reduce plating
The consumption of feed liquid and the discharge capacity of waste water.Therefore, for carrying out cleaning production in electroplating industry, it is necessary to reform technological process,
Source and during reduce the generation amount of pollutant, Resource recovery effectively during production processes simultaneously.In this situation
Under, electroplating waste-water reutilizing treatment technology gets growing concern for.No matter electroplated product is in daily life, and
In each industrial department field, indispensable and cannot substitute.But plating produces at home and abroad, since the dawn of human civilization, always " use
Water rich and influential family ", " waste discharge severe contamination natural environment rich and influential family ".At present, the commonly used method of chemical treatment of Domestic Plating industry comes
Carrying out the pollution control of electroplating wastewater, although using the method to can reach qualified discharge, but there is the problem that operating cost is higher,
More it is essential that use the method cannot reduce consumption and the discharge capacity of waste water of plating feed liquid.Therefore, in electroplating industry
Carry out cleaning to produce, it is necessary to reform technological process, source and during reduce the generation amount of pollutant, process in production simultaneously
During Resource recovery effectively.In this case, electroplating waste-water reutilizing treatment technology gets growing concern for.
The patent application document of Application No. CN200410089237.8 discloses a kind of plating technology of middle water recycle, to containing
Cyanogen and/or chromate waste water process, and the recovery utilization rate of water reaches 60%～75%；Application No. CN200510061163.1
Patent application document disclose a kind of electronickelling wastewater utilization technology, reclamation rate >=75% of water.Foregoing invention is to electricity
Process and the reuse effect of waste electroplating are fairly obvious, but still have part of contaminated water i.e. to fail the dense water of reuse and be discharged, environmental pollution
Still existing, water resource also fails to make full use of.Further, foregoing invention is merely able to the generation effect of the waste water to single plating.Shen
Number please disclose a kind of electroplating wastewater zero or the process side of low emission for the patent application document of CN200710131532.9
Method, the process employs the meta-synthetic engineerings such as membrance concentration, membrance separation, ion exchange and ultraviolet catalytic oxidation.But the method
Face the problems such as processing cost height, technological requirement complexity, highly energy-consuming, Difficulty.Application No. CN200410089237.8
Patent application document discloses a kind of plating technology of middle water recycle, processes containing cyanogen and/or chromate waste water, the recovery profit of water
60%～75% is reached by rate；The patent application document of Application No. CN200510061163.1 discloses a kind of electronickelling waste water
Comprehensive utilization technique, reclamation rate >=75% of water.Foregoing invention is fairly obvious to process and the reuse effect of electroplating wastewater, but still
Having part of contaminated water i.e. to fail the dense water of reuse to be discharged, environmental pollution still exists, and water resource also fails to make full use of.Further,
Foregoing invention is merely able to the waste water to single plating and produces effect.The patent application document of Application No. CN200710131532.9
Disclose the processing method of a kind of electroplating wastewater zero or low emission, the process employs membrance concentration, membrance separation, ion exchange
With meta-synthetic engineerings such as ultraviolet catalytic oxidations.But the method faces processing cost height, technological requirement complexity, highly energy-consuming etc. asks
Topic, Difficulty.
The file of Patent No. ZL200610033047.3 discloses Treatment for Reuse method and the device thereof of a kind of electroplating wastewater,
Propose a kind of low cost, simple to operate, the electroplating waste-water reutilizing processing method of low power consuming.The method uses chemical method and ion
Exchange combines, and is proven effective, the electroplating wastewater of >=90% can be returned production line and use, and remaining is less than 10%
Waste water then for reclaiming for activated acids and rush dirt powder, as the use such as buffer agent of plating.But, the waste water in the method returns
With in cyclic process, the salt concentration in coating bath is continuously increased, and affects and normally electroplates operating mode in closed cycle.Patent No.
The file of ZL200610033047.3 discloses Treatment for Reuse method and the device thereof of a kind of electroplating wastewater, it is proposed that a kind of low one-tenth
Originally, simple to operate, the electroplating waste-water reutilizing processing method of low power consuming.The method uses chemical method and ion exchange phase to combine, warp
Facts have proved effective, the electroplating wastewater of >=90% can be returned production line and use, remaining waste water less than 10% then supplies back
Receive for activated acids and rush dirt powder, as use such as the buffer agents electroplated.But, in the waste water recycling cyclic process of the method
In, the salt concentration in coating bath is continuously increased, and affects and normally electroplates operating mode in closed cycle.
Summary of the invention
For deficiency of the prior art, the present invention provides the process for reclaiming of a kind of electroplating wastewater, by " waste water divides
Stream, processes respectively；Reclaim clear water, reclaim metal " technology path, by chemical method, ion exchange, reverse osmosis ties mutually with evaporation
Close, be evaporated processing by the dense water that processing procedure produces, recovery solid metallic, and by produced for evaporation steam overflow also
It is back to electroplating cleaning process；The most also reclaim RO clear water produced by processing procedure.For deficiency of the prior art, this
The process for reclaiming of a kind of electroplating wastewater of bright offer, by " effluent segregation processes respectively；Reclaim clear water, reclaim metal "
Technology path, combines chemical method, ion exchange, reverse osmosis and evaporation, the dense water that processing procedure produces is evaporated place
Reason, reclaims solid metallic, and by steam overflow produced by evaporation and be back to electroplating cleaning process；The most also recycle
RO clear water produced by process.
Another object of the present invention is to provide a kind of equipment realizing said method.Another object of the present invention is to carry
For a kind of equipment realizing said method.
The present invention is on the basis of using chemical method and ion exchange Treatment for Reuse electroplating wastewater, after ion-exchange treatment
The regenerated liquid obtained and purification water are further processed, and regenerated liquid is back to waste water reaction pond and is circulated process；Will be clean
Change water carries out reverse-osmosis treated further and obtains dense water and RO clear water, and dense water reclaims solid phase after evaporation process, and will evaporation
Produce steam overflow together with RO clear water reuse to electroplating cleaning process.So, major part can be controlled in process of production
Pollute, Eradication electroplating industry polluter, fundamentally solve the wasting of resources, problem of environmental pollution, bring economic benefit and
Environmental benefit.The present invention is on the basis of using chemical method and ion exchange Treatment for Reuse electroplating wastewater, by ion-exchange treatment
After the regenerated liquid that obtains and purify water and be further processed, regenerated liquid is back to waste water reaction pond and is circulated process；Will
Purification water carries out reverse-osmosis treated further and obtains dense water and RO clear water, and dense water reclaims solid phase after evaporation process, and will steam
Send out produce steam overflow together with RO clear water reuse to electroplating cleaning process.So, big portion can be controlled in process of production
Divide pollution, Eradication electroplating industry polluter, fundamentally solve the wasting of resources, problem of environmental pollution, bring economic benefit
And environmental benefit.
The purpose of the present invention is achieved through the following technical solutions: the purpose of the present invention is achieved through the following technical solutions:
(1) electroplating wastewater classification: electroplating wastewater is divided into copper-containing wastewater, chromate waste water, cyanide wastewater, nickel-containing waste water, front
Process waste water five class waste water；Copper-containing wastewater is the waste water produced after electroplating acid copper washs；Chromate waste water is the useless of electrodeposited chromium generation
Water and the passivating solution containing chromium；Cyanide wastewater is that plating is containing waste water produced by cyanogen plating；Nickel-containing waste water is plating light nickel, mute
Waste water produced by nickel, half light nickel, pearl nickel and mixture thereof；Pre-treatment waste water is alkali metal containing and/or alkaline-earth metal ions,
Waste water without heavy metal ion；(1) electroplating wastewater classification: electroplating wastewater is divided into copper-containing wastewater, chromate waste water, gives up containing cyanogen
Water, nickel-containing waste water, pre-treatment waste water five class waste water；Copper-containing wastewater is the waste water produced after electroplating acid copper washs；Chromate waste water is
The waste water that electrodeposited chromium produces and the passivating solution containing chromium；Cyanide wastewater is that plating is containing waste water produced by cyanogen plating；Nickel-containing waste water
It is waste water produced by plating light nickel, mute nickel, half light nickel, pearl nickel and mixture thereof；Pre-treatment waste water be alkali metal containing and/or
Alkaline-earth metal ions, without the waste water of heavy metal ion；
(2) above-mentioned copper-containing wastewater, chromate waste water, cyanide wastewater, nickel-containing waste water are introduced waste water reaction pond respectively, add respectively
Enter precipitant, regulation pH value so that the heavy metal ion precipitation in above-mentioned waste water；Above-mentioned pre-treatment waste water is introduced waste water reaction
Pond, regulates pH value；(2) above-mentioned copper-containing wastewater, chromate waste water, cyanide wastewater, nickel-containing waste water are introduced waste water reaction pond respectively, point
Do not add precipitant, regulation pH value so that the heavy metal ion precipitation in above-mentioned waste water；Above-mentioned pre-treatment waste water is introduced waste water
Reaction tank, regulates pH value；
(3) copper-containing wastewater after step (2) processes, chromate waste water, cyanide wastewater three class waste water are introduced solid phase respectively
Segregation apparatus carries out preliminary solid, liquid separation, obtains solid phase and liquid phase, reclaims after solid phase carries out filter pressing；(3) will be through step (2)
Copper-containing wastewater after process, chromate waste water, cyanide wastewater three class waste water introduce solid-phase separation device respectively to carry out preliminary solid, liquid and divides
From, obtain solid phase and liquid phase, reclaim after solid phase is carried out filter pressing；
(4) nickel-containing waste water after step (2) being processed, after Filter column filters, is processed by ion interchange unit and obtains
Raw liquid and purification water；(4) nickel-containing waste water after step (2) being processed, after Filter column filters, is processed by ion interchange unit
Obtain regenerated liquid and purify water；
(5), after the liquid filtration that described step (3) is obtained, obtain regenerated liquid by ion-exchange treatment and purify water；
Regenerated liquid is back to waste water reaction pond and is circulated process；Purify water and obtain dense water and RO clear water by after reverse-osmosis treated；Will
Dense water evaporates and reclaims the solid phase after evaporation, reclaims steam that evaporation produces and overflows back for electroplating cleaning process；RO is clear
Water circulation is in electroplating cleaning process；(5), after the liquid filtration that described step (3) is obtained, obtained again by ion-exchange treatment
Raw liquid and purification water；Regenerated liquid is back to waste water reaction pond and is circulated process；Purify water dense by obtaining after reverse-osmosis treated
Water and RO clear water；Dense water evaporated and reclaims the solid phase after evaporation, reclaim steam that evaporation produces and overflow back for electroplating clear
Washed journey；RO clear water is back to electroplating cleaning process；
(6) regenerated liquid that step (4) obtains is back to waste water reaction pond and is circulated process；Purify water and pass through reverse osmosis
Dense water and RO clear water is obtained after process；Dense water evaporated and reclaims the solid phase after evaporation, reclaiming steam overflow that evaporation produces
It is back to electroplating cleaning process；RO clear water is back to electroplating cleaning process；(6) regenerated liquid that step (4) obtains is back to
Waste water reaction pond is circulated process；Purify water and obtain dense water and RO clear water by after reverse-osmosis treated；Dense water is evaporated and returns
Receive the solid phase after evaporation, reclaim the steam of evaporation generation and overflow back for electroplating cleaning process；RO clear water is back to plating
Cleaning process；
(7) after the pre-treatment waste water filtering after step (2) being processed, denseer water is obtained by reverse-osmosis treated and RO is clear
Water；Dense water evaporated and reclaims the solid phase after evaporation, reclaim steam that evaporation produces and overflow back for electroplating cleaning process；RO
Clear water is back to electroplating cleaning process.(7) after the pre-treatment waste water filtering after step (2) being processed, then reverse-osmosis treated is passed through
Obtain dense water and RO clear water；Dense water is evaporated and reclaims the solid phase after evaporation, reclaim steam that evaporation produces and overflow back for
Electroplating cleaning process；RO clear water is back to electroplating cleaning process.
In above steps, regenerated liquid is that the waste water reaction pond returning above-mentioned five class waste water respectively is circulated process；
Solid-phase separation device is tube settler.In above steps, regenerated liquid is that to return the waste water of above-mentioned five class waste water respectively anti-
Ying Chi is circulated process；Solid-phase separation device is tube settler.
In described step (2), the precipitant added in copper-containing wastewater reaction tank is sodium hydroxide, and pH value is 8～8.5；?
The precipitant added in chromate waste water reaction tank is ferrous sulfate or sodium pyrosulfite, and pH value is 7～8.5；At cyanide wastewater
The precipitant added in reaction tank is sodium hypochlorite, and pH value is 11；The precipitant sodium carbonate added in nickel-containing waste water reaction tank, pH
Value is 4.5～5；Pre-treatment waste water reaction pond regulation pH value range is 6～9.In described step (2), in copper-containing wastewater reaction tank
The precipitant added is sodium hydroxide, and pH value is 8～8.5；The precipitant added in chromate waste water reaction tank is ferrous sulfate
Or sodium pyrosulfite, pH value is 7～8.5；The precipitant added in cyanide wastewater reaction tank is sodium hypochlorite, and pH value is
11；The precipitant sodium carbonate added in nickel-containing waste water reaction tank, pH value is 4.5～5；Pre-treatment waste water reaction pond regulation pH value model
Enclose is 6～9.
It is hydrochloric acid and sodium hydroxide that described step (3) intermediate ion exchange processes the exchanger used.In described step (3) from
It is hydrochloric acid and sodium hydroxide that sub-exchange processes the exchanger used.
It is sodium chloride that described step (4) intermediate ion exchange processes the exchanger used.At described step (4) intermediate ion exchange
The exchanger that reason uses is sodium chloride.
During process, carrying out for practical situation, such as electroplating wastewater only has copper-containing wastewater, chromate waste water, cyanide wastewater, then
Process for these three waste water.During process, carrying out for practical situation, such as electroplating wastewater only has copper-containing wastewater, containing chromium
Waste water, cyanide wastewater, then process for these three waste water.
A kind of equipment realizing said method, including copper-containing wastewater, chromate waste water, the Treatment for Reuse equipment of cyanide wastewater,
The Treatment for Reuse equipment of pre-treatment waste water, the Treatment for Reuse equipment of nickel-containing waste water, wherein: a kind of equipment realizing said method,
Including copper-containing wastewater, chromate waste water, the Treatment for Reuse equipment of cyanide wastewater, the Treatment for Reuse equipment of pre-treatment waste water, Nickel-bearing Waste
The Treatment for Reuse equipment of water, wherein:
Copper-containing wastewater, chromate waste water, the Treatment for Reuse equipment of cyanide wastewater include that waste water reaction pond, elevator pump, inclined tube sink
Pond, shallow lake, pressure filter, defecator (A), ion exchange column, water reservoir, reverse osmosis machine and vaporizer；Wherein waste water reaction pond, carry
Liter pump, tube settler company, defecator (A), ion exchange column, water reservoir, reverse osmosis machine, vaporizer are connected successively by pipeline
Connect；The vaporizer other end is connected with production water supply end by pipeline；Tube settler is connected by pipeline with pressure filter；Ion is handed over
Change post to be connected with waste water reaction pond by pipeline.Copper-containing wastewater, chromate waste water, the Treatment for Reuse equipment of cyanide wastewater include waste water
Reaction tank, elevator pump, tube settler, pressure filter, defecator (A), ion exchange column, water reservoir, reverse osmosis machine and evaporation
Device；Wherein waste water reaction pond, elevator pump, tube settler company, defecator (A), ion exchange column, water reservoir, reverse osmosis machine,
Vaporizer is sequentially connected with by pipeline；The vaporizer other end is connected with production water supply end by pipeline；Tube settler and filter pressing
Machine is connected by pipeline；Ion exchange column is connected with waste water reaction pond by pipeline.
Described defecator (A) is filter.Described defecator (A) is filter.
The Treatment for Reuse equipment of pre-treatment waste water includes waste water reaction pond, elevator pump, defecator (B), reverse osmosis machine, steaming
Sending out device, wherein waste water reaction pond, elevator pump, defecator (B), reverse osmosis machine, vaporizer are sequentially connected with by pipeline, vaporizer
The other end connects production water supply end by pipeline.The Treatment for Reuse equipment of pre-treatment waste water includes waste water reaction pond, elevator pump, mistake
Filter device (B), reverse osmosis machine, vaporizer, wherein waste water reaction pond, elevator pump, defecator (B), reverse osmosis machine, vaporizer lead to
Piping is sequentially connected with, and the vaporizer other end connects production water supply end by pipeline.
Described defecator (B) includes sand filter, carbon filter, and wherein sand filter is by pipeline with carbon filter even
Connect composition.Described defecator (B) includes sand filter, carbon filter, and wherein sand filter is by pipeline with carbon filter even
Connect composition.
The Treatment for Reuse equipment of nickel-containing waste water includes waste water reaction pond, elevator pump, defecator (C), ion exchange column, storage
Pond, reverse osmosis machine and vaporizer；Wherein waste water reaction pond, elevator pump, defecator (C), ion exchange column, water reservoir, anti-
Osmotic engine and vaporizer are sequentially connected with by pipeline；Ion exchange column is connected with waste water reaction pond also by pipeline, and vaporizer is another
One end connects production water supply end by pipeline.The Treatment for Reuse equipment of nickel-containing waste water includes waste water reaction pond, elevator pump, filtration dress
Put (C), ion exchange column, water reservoir, reverse osmosis machine and vaporizer；Wherein waste water reaction pond, elevator pump, defecator (C), from
Sub-exchange column, water reservoir, reverse osmosis machine and vaporizer are sequentially connected with by pipeline；Ion exchange column is anti-with waste water also by pipeline
Answering pond to connect, the vaporizer other end connects production water supply end by pipeline.
Described defecator (C) is sand carbon Filter column.Described defecator (C) is sand carbon Filter column.
Compared with prior art, present invention have the advantage that compared with prior art, present invention have the advantage that
(1) chemical method, ion exchange, reverse osmosis and evaporation are combined by the present invention, and ion-exchange treatment obtained is clean
Change the further reverse-osmosis treated of water, to reduce the salinity in recycle-water；The regenerated liquid of ion exchange column is back to waste water simultaneously
Reaction tank circular treatment；(1) chemical method, ion exchange, reverse osmosis and evaporation are combined by the present invention, ion-exchange treatment are obtained
The further reverse-osmosis treated of purification water arrived, to reduce the salinity in recycle-water；The regenerated liquid of ion exchange column is returned simultaneously
To waste water reaction pond circular treatment；
(2) waste water in addition to atmospheric evaporation losses is all recycled for electroplating cleaning process by the present invention, and middle water returns
With rate can >=98%；(2) waste water in addition to atmospheric evaporation losses is all recycled for electroplating cleaning process by the present invention, in
Reusing rate can >=98%；
(3) process stabilizing of the process for reclaiming of the electroplating wastewater of the present invention, easy and simple to handle, it is easy to controls, and safety can
Leaning on, operating cost is relatively low, it is possible to reclaim metal.(3) process stabilizing of the process for reclaiming of the electroplating wastewater of the present invention, behaviour
Make simplicity, it is easy to controlling, safe and reliable, operating cost is relatively low, it is possible to reclaim metal.
Accompanying drawing explanation
Fig. 1 is that (this equipment is for processing containing in electroplating wastewater for the electroplating waste-water reutilizing processing equipment schematic diagram of the present invention
Copper waste water, chromate waste water, cyanide wastewater)；Fig. 1 is that (this equipment is used for for the electroplating waste-water reutilizing processing equipment schematic diagram of the present invention
Process the copper-containing wastewater in electroplating wastewater, chromate waste water, cyanide wastewater)；
Wherein: 1 is waste water reaction pond, 2 is elevator pump, and 3 is tube settler, and 4 is filter, and 5 is pressure filter, 6 be from
Sub-exchange column, 7 is water reservoir, and 8 is reverse osmosis machine, and 9 is vaporizer；Wherein: 1 is waste water reaction pond, 2 is elevator pump, and 3 is inclined tube
Sedimentation tank, 4 is filter, and 5 is pressure filter, and 6 is ion exchange column, and 7 is water reservoir, and 8 is reverse osmosis machine, and 9 is vaporizer；
Fig. 2 is that the electroplating waste-water reutilizing processing equipment schematic diagram of the present invention is (before this equipment is used for processing in electroplating wastewater
Process waste water)；Fig. 2 is that (this equipment is for processing in electroplating wastewater for the electroplating waste-water reutilizing processing equipment schematic diagram of the present invention
Pre-treatment waste water)；
Wherein: 1 is waste water reaction pond, 2 is elevator pump, and 10 is sand filter, and 11 is carbon filter, and 8 is reverse osmosis machine；Its
In: 1 is waste water reaction pond, and 2 is elevator pump, and 10 is sand filter, and 11 is carbon filter, and 8 is reverse osmosis machine；
Fig. 3 is that (this equipment is for processing containing in electroplating wastewater for the electroplating waste-water reutilizing processing equipment schematic diagram of the present invention
Nickel waste water)；Fig. 3 is that (this equipment is for processing containing in electroplating wastewater for the electroplating waste-water reutilizing processing equipment schematic diagram of the present invention
Nickel waste water)；
Wherein: 1 is waste water reaction pond, 2 is elevator pump, and 12 is sand carbon Filter column, and 6 is ion exchange column, and 7 is water reservoir, 8
For reverse osmosis machine, 9 is vaporizer.Wherein: 1 is waste water reaction pond, 2 is elevator pump, and 12 is sand carbon Filter column, and 6 exchange for ion
Post, 7 is water reservoir, and 8 is reverse osmosis machine, and 9 is vaporizer.
Detailed description of the invention
For a better understanding of the present invention, below in conjunction with specific embodiments and the drawings, the present invention is further explained,
But it is not limited to this.For a better understanding of the present invention, below in conjunction with specific embodiments and the drawings, the present invention is further solved
Release, but be not limited to this.
As it is shown in figure 1, the composition of the Treatment for Reuse equipment of copper-containing wastewater, chromate waste water, cyanide wastewater is: waste water reaction pond
1 is connected with tube settler 3 by elevator pump 2；Tube settler 3 one end is connected with pressure filter 5 by pipeline, the other end and mistake
Filter 4 connects；It is sequentially connected with by pipeline between filter 4, ion exchange column 6, water reservoir 7, reverse osmosis machine, vaporizer 9；From
Sub-exchange column 6 is connected to waste water reaction pond 1 by pipeline again, and vaporizer 9 other end supplies water end (W.E.) (in figure by pipeline and production line
Not shown) connect.As it is shown in figure 1, the composition of the Treatment for Reuse equipment of copper-containing wastewater, chromate waste water, cyanide wastewater is: waste water is anti-
Pond 1 is answered to be connected with tube settler 3 by elevator pump 2；Tube settler 3 one end is connected with pressure filter 5 by pipeline, the other end
It is connected with filter 4；Connected successively by pipeline between filter 4, ion exchange column 6, water reservoir 7, reverse osmosis machine, vaporizer 9
Connect；Ion exchange column 6 is connected to waste water reaction pond 1 by pipeline again, and vaporizer 9 other end supplies water end (W.E.) by pipeline with production line
(not shown) connects.
As in figure 2 it is shown, the composition of the Treatment for Reuse equipment of pre-treatment waste water is: waste water reaction pond 1 is by elevator pump 2 and sand
Filter 10 connects, and sand filter 10, carbon filter 11, reverse osmosis machine 8, vaporizer 9 are sequentially connected with by pipeline；Vaporizer 9
The other end is connected for water end (W.E.) (not shown) with production line by pipeline.As in figure 2 it is shown, the Treatment for Reuse of pre-treatment waste water sets
Standby composition is: waste water reaction pond 1 is connected with sand filter 10 by elevator pump 2, sand filter 10, carbon filter 11, reverse osmosis
Machine 8, vaporizer 9 are sequentially connected with by pipeline thoroughly；Vaporizer 9 other end supplies water end (W.E.) (not shown) by pipeline with production line
Connect.
As it is shown on figure 3, the composition of the Treatment for Reuse equipment of nickel-containing waste water is: waste water reaction pond 1 is by elevator pump 2 and sand carbon
Filter column 12 connects, and sand carbon Filter column 12 is logical, ion exchange column 6, water reservoir 7, reverse osmosis machine 8, vaporizer 9 pass through pipeline successively
Connect；Ion exchange column 6 is connected to waste water reaction pond 1 by pipeline again, and the vaporizer other end is supplied water with production line by pipeline
End (not shown) connects.As it is shown on figure 3, the composition of the Treatment for Reuse equipment of nickel-containing waste water is: waste water reaction pond 1 is by carrying
Rise pump 2 to be connected with sand carbon Filter column 12, sand carbon Filter column 12 logical, ion exchange column 6, water reservoir 7, reverse osmosis machine 8, vaporizer 9
It is sequentially connected with by pipeline；Ion exchange column 6 is connected to waste water reaction pond 1 by pipeline again, and the vaporizer other end passes through pipeline
It is connected for water end (W.E.) (not shown) with production line.
Embodiment 1 embodiment 1
Adding precipitant sodium hydroxide in copper-containing wastewater reaction tank, regulation pH value range is 8, obtains after precipitation process
Copper-containing wastewater after process；Will process after copper-containing wastewater introduce tube settler carry out preliminary solid, liquid separation, obtain solid phase and
Liquid phase；Solid phase reclaims after pressure filter filter pressing；After liquid phase is filtered, by exchanger be hydrochloric acid and sodium hydroxide from
Sub-exchange column processes and obtains regenerated liquid and purify water；Regenerated liquid is back to waste water reaction pond and is circulated utilization, purifies water and passes through
Dense water and RO clear water is obtained after there is the reverse osmosis machine process of reverse osmosis membrane；Dense water is evaporated by membrane evaporator, reclaims evaporation
The solid of rear gained, and reclaim the produced steam of evaporation and overflow back for electroplating cleaning process；It is clear that RO clear water is back to plating
Washed journey.Adding precipitant sodium hydroxide in copper-containing wastewater reaction tank, regulation pH value range is 8, obtains after precipitation process
Copper-containing wastewater after process；Will process after copper-containing wastewater introduce tube settler carry out preliminary solid, liquid separation, obtain solid phase and
Liquid phase；Solid phase reclaims after pressure filter filter pressing；After liquid phase is filtered, by exchanger be hydrochloric acid and sodium hydroxide from
Sub-exchange column processes and obtains regenerated liquid and purify water；Regenerated liquid is back to waste water reaction pond and is circulated utilization, purifies water and passes through
Dense water and RO clear water is obtained after there is the reverse osmosis machine process of reverse osmosis membrane；Dense water is evaporated by membrane evaporator, reclaims evaporation
The solid of rear gained, and reclaim the produced steam of evaporation and overflow back for electroplating cleaning process；It is clear that RO clear water is back to plating
Washed journey.
Embodiment 2 embodiment 2
Copper-containing wastewater, chromate waste water, cyanide wastewater, nickel-containing waste water, pre-treatment waste water are introduced waste water reaction pond respectively；?
Adding precipitant sodium hydroxide in copper-containing wastewater reaction tank, regulation pH value range is 8.5；By copper-containing wastewater, chromate waste water, containing cyanogen
Waste water, nickel-containing waste water, pre-treatment waste water introduce waste water reaction pond respectively；Precipitant hydroxide is added in copper-containing wastewater reaction tank
Sodium, regulation pH value range is 8.5；
Adding precipitant ferrous sulfate in chromate waste water reaction tank, regulation pH value is 8.5；In chromate waste water reaction tank
Adding precipitant ferrous sulfate, regulation pH value is 8.5；
Adding precipitant sodium hypochlorite in cyanide wastewater reaction tank, regulation pH value is 11；In cyanide wastewater reaction tank
Adding precipitant sodium hypochlorite, regulation pH value is 11；
Adding precipitant sodium carbonate in nickel-containing waste water reaction tank, regulation pH value is 5；Nickel-containing waste water reaction tank adds
Precipitant sodium carbonate, regulation pH value is 5；
Regulating pH value range in pre-treatment waste water reaction pond is 9.PH value range is regulated in pre-treatment waste water reaction pond
It is 9.
After precipitation process, respectively obtain the copper-containing wastewater after process, chromate waste water, cyanide wastewater, nickel-containing waste water and front
Process waste water.After precipitation process, respectively obtain the copper-containing wastewater after process, chromate waste water, cyanide wastewater, nickel-containing waste water and front
Process waste water.
Copper-containing wastewater after above-mentioned process, chromate waste water, cyanide wastewater three class waste water are introduced tube settler respectively and enters
The preliminary solid, liquid of row separates, and obtains solid phase and liquid phase, reclaims solid phase after pressure filter carries out filter pressing, and liquid phase is filtered
After, then obtain regenerated liquid by the treatment on ion exchange columns that exchanger is hydrochloric acid and sodium hydroxide and purify water；Regenerated liquid is respectively
Be back to each self-corresponding waste water reaction pond and be circulated utilization, purify water by there is the reverse osmosis machine of reverse osmosis membrane processing after
Obtain dense water and RO clear water；Dense water is evaporated by membrane evaporator, reclaims the solid of gained after evaporation, and reclaims evaporation and produced
Steam overflow back for electroplating cleaning process；RO clear water is back to electroplating cleaning process.By the copper-containing wastewater after above-mentioned process,
Chromate waste water, cyanide wastewater three class waste water introduce tube settler respectively and carry out preliminary solid, liquid separation, obtain solid phase and liquid phase,
Solid phase is reclaimed after pressure filter carries out filter pressing, after liquid phase is filtered, then is hydrochloric acid and sodium hydroxide by exchanger
Treatment on ion exchange columns obtain regenerated liquid and purify water；Regenerated liquid is back to each self-corresponding waste water reaction pond respectively and follows
Ring utilize, purify water by have reverse osmosis membrane reverse osmosis machine process after obtain dense water and RO clear water；Dense water is steamed by thin film
Send out device evaporation, reclaim the solid of gained after evaporation, and reclaim the produced steam of evaporation and overflow back for electroplating cleaning process；RO
Clear water is back to electroplating cleaning process.
By the nickel-containing waste water after above-mentioned process after Filter column filters, by ion exchange column that exchanger is sodium chloride
Reason obtains regenerated liquid and purifies water；Regenerated liquid returns the waste water reaction pond circular treatment of nickel-containing waste water and steams；Purify water and pass through reverse osmosis
Machine obtains dense water and RO clear water thoroughly；Dense water is evaporated by vacuum evaporator, reclaims the solid of gained after evaporating, and reclaims evaporation institute
The steam produced overflows back for electroplating cleaning process；RO clear water is back to electroplating cleaning process.Nickeliferous by after above-mentioned process
Waste water, after Filter column filters, obtains regenerated liquid by the treatment on ion exchange columns that exchanger is sodium chloride and purifies water；Regeneration
Liquid returns the waste water reaction pond circular treatment of nickel-containing waste water and steams；Purify water and obtain dense water and RO clear water by reverse osmosis machine；Dense water
Evaporated by vacuum evaporator, reclaim the solid of gained after evaporation, and reclaim the produced steam of evaporation and overflow back for electroplating
Cleaning process；RO clear water is back to electroplating cleaning process.
After pre-treatment waste water after above-mentioned process is passed sequentially through sand filter, carbon filter filtration, by having reverse osmosis
The reverse osmosis machine of permeable membrane processes and obtains RO clear water and dense water；Dense water is evaporated by function of mechanical steam recompression system, after reclaiming evaporation
The solid of gained, and reclaim the produced steam of evaporation and overflow back for electroplating cleaning process；RO clear water is back to electroplating cleaning
Process.After pre-treatment waste water after above-mentioned process is passed sequentially through sand filter, carbon filter filtration, by having reverse osmosis membrane
Reverse osmosis machine process obtain RO clear water and dense water；Dense water is evaporated by function of mechanical steam recompression system, reclaims gained after evaporation
Solid, and reclaim the produced steam of evaporation and overflow back for electroplating cleaning process；RO clear water is back to electroplating cleaning process.
Embodiment 3 embodiment 3
Copper-containing wastewater, chromate waste water, cyanide wastewater, nickel-containing waste water, pre-treatment waste water are introduced waste water reaction pond respectively；?
Adding precipitant sodium hydroxide in copper-containing wastewater reaction tank, regulation pH value range is 8；By copper-containing wastewater, chromate waste water, give up containing cyanogen
Water, nickel-containing waste water, pre-treatment waste water introduce waste water reaction pond respectively；Precipitant hydroxide is added in copper-containing wastewater reaction tank
Sodium, regulation pH value range is 8；
Adding precipitant sodium pyrosulfite in chromate waste water reaction tank, regulation pH value is 7；In chromate waste water reaction tank
Adding precipitant sodium pyrosulfite, regulation pH value is 7；
Adding precipitant sodium hypochlorite in cyanide wastewater reaction tank, regulation pH value is 11；In cyanide wastewater reaction tank
Adding precipitant sodium hypochlorite, regulation pH value is 11；
Adding precipitant sodium carbonate in nickel-containing waste water reaction tank, regulation pH value is 4.5；Nickel-containing waste water reaction tank adds
Entering precipitant sodium carbonate, regulation pH value is 4.5；
Regulating pH value range in pre-treatment waste water reaction pond is 6.PH value range is regulated in pre-treatment waste water reaction pond
It is 6.
After precipitation process, respectively obtain the copper-containing wastewater after process, chromate waste water, cyanide wastewater, nickel-containing waste water and front
Process waste water.After precipitation process, respectively obtain the copper-containing wastewater after process, chromate waste water, cyanide wastewater, nickel-containing waste water and front
Process waste water.
Copper-containing wastewater after above-mentioned process, chromate waste water, cyanide wastewater three class waste water are introduced tube settler respectively and enters
The preliminary solid, liquid of row separates, and obtains solid phase and liquid phase, and solid phase reclaims after pressure filter filter pressing, after liquid phase is filtered, passes through
Exchanger be hydrochloric acid and sodium chloride treatment on ion exchange columns after obtain regenerated liquid and purify water；Regenerated liquid is back to each respectively
Corresponding waste water reaction pond is circulated utilization, purifies after water is processed by reverse osmosis machine and obtains dense water and RO clear water；Dense water leads to
Cross membrane evaporator evaporation, reclaim the solid of gained after evaporation, and reclaim the produced steam of evaporation and overflow back for electroplating clear
Washed journey；RO clear water is back to electroplating cleaning process.By the copper-containing wastewater after above-mentioned process, chromate waste water, cyanide wastewater three class
Waste water introduces tube settler respectively and carries out preliminary solid, liquid separation, obtains solid phase and liquid phase, and solid phase is returned after pressure filter filter pressing
Receive, after liquid phase is filtered, by obtain after treatment on ion exchange columns that exchanger is hydrochloric acid and sodium chloride regenerated liquid and
Purify water；Regenerated liquid is back to each self-corresponding waste water reaction pond respectively and is circulated utilization, purifies water by reverse osmosis machine
Dense water and RO clear water is obtained after reason；Dense water is evaporated by membrane evaporator, reclaims the solid of gained after evaporating, and reclaims evaporation institute
The steam produced overflows back for electroplating cleaning process；RO clear water is back to electroplating cleaning process.
By the nickel-containing waste water after above-mentioned process after sand carbon Filter column filters, exchanged by the ion that exchanger is sodium chloride
Post processes and obtains regenerated liquid and purify water；Regenerated liquid is back to waste water reaction pond and is circulated utilization, purifies water and passes through reverse osmosis
Machine obtains dense water and RO clear water after processing；Dense water is evaporated by vacuum evaporator, reclaims the solid of gained after evaporating, and reclaims steaming
Send out produced steam to overflow back for electroplating cleaning process；RO clear water is back to electroplating cleaning process.After above-mentioned process
Nickel-containing waste water, after sand carbon Filter column filters, obtains regenerated liquid and purification by the treatment on ion exchange columns that exchanger is sodium chloride
Water；Regenerated liquid is back to waste water reaction pond and is circulated utilization, and purification water obtains dense water after being processed by reverse osmosis machine and RO is clear
Water；Dense water is evaporated by vacuum evaporator, reclaims the solid of gained after evaporation, and reclaims the produced steam of evaporation and overflow back use
In electroplating cleaning process；RO clear water is back to electroplating cleaning process.
After pre-treatment waste water after processing passes sequentially through sand filter, carbon filter filtration, obtained by reverse osmosis machine
Dense water and RO clear water；Dense water is evaporated by function of mechanical steam recompression system, reclaims the solid of gained after evaporating, and reclaims evaporation institute
The steam produced overflows back for electroplating cleaning process；RO clear water is also back to electroplating cleaning process.Pre-treatment after processing
After waste water passes sequentially through sand filter, carbon filter filtration, obtain dense water and RO clear water by reverse osmosis machine；Dense water is by machinery
Vapor recompression system is evaporated, and reclaims the solid of gained after evaporation, and reclaims the produced steam of evaporation and overflow back for electroplating
Cleaning process；RO clear water is also back to electroplating cleaning process.
Waste water removing in above-mentioned processing procedure is lost because of natural evaporation, and remaining is all recycled for electroplating cleaning
Process.Waste water removing in above-mentioned processing procedure is lost because of natural evaporation, and remaining is all recycled for electroplating cleaning mistake
Journey.
Claims (6)
1. a process for reclaiming for electroplating wastewater, comprises the steps:
(1) electroplating wastewater classification: electroplating wastewater is divided into copper-containing wastewater, chromate waste water, cyanide wastewater, nickel-containing waste water, pre-treatment
Waste water five class waste water；Copper-containing wastewater is the waste water produced after electroplating acid copper washs；Chromate waste water be electrodeposited chromium produce waste water with
And the passivating solution containing chromium；Cyanide wastewater is that plating is containing waste water produced by cyanogen plating；Nickel-containing waste water be plating light nickel, mute nickel, half
Waste water produced by light nickel, pearl nickel and mixture thereof；Pre-treatment waste water is alkali metal containing and/or alkaline-earth metal ions, does not contains
The waste water of heavy metal ion；
(2) above-mentioned copper-containing wastewater, chromate waste water, cyanide wastewater, nickel-containing waste water are introduced respectively each self-corresponding waste water reaction pond,
It is then respectively adding precipitant, regulation pH value so that the heavy metal ion precipitation in above-mentioned waste water；Above-mentioned pre-treatment waste water is drawn
Enter waste water reaction pond, regulate pH value；
(3) copper-containing wastewater after step (2) processes, chromate waste water, cyanide wastewater three class waste water are carried out solid, liquid respectively and divides
From, obtain solid phase and liquid phase, reclaim after solid phase is carried out filter pressing；
(4) regenerated liquid will be obtained by ion-exchange treatment and purify water after the nickel-containing waste water after step (2) processes filters；
Characterized by further comprising following steps:
(5), after the liquid filtration that described step (3) is obtained, obtain regenerated liquid by ion-exchange treatment and purify water；Regeneration
Liquid is back to waste water reaction pond and is circulated process；Purify water and obtain dense water and RO clear water by after reverse-osmosis treated；By dense water
Evaporate and reclaim the solid phase after evaporation, reclaim steam that evaporation produces and overflow back for electroplating cleaning process；RO clear water is returned
For electroplating cleaning process；
(6) regenerated liquid that step (4) obtains is back to waste water reaction pond and is circulated process；Purify water and pass through reverse-osmosis treated
After obtain dense water and RO clear water；Dense water evaporated and reclaims the solid phase after evaporation, reclaim steam that evaporation produces and overflow back use
In electroplating cleaning process；RO clear water is back to electroplating cleaning process；
(7) after the pre-treatment waste water filtering after step (2) being processed, denseer water and RO clear water are obtained by reverse-osmosis treated；Will
Dense water evaporates and reclaims the solid phase after evaporation, reclaims steam that evaporation produces and overflows back for electroplating cleaning process；RO clear water
It is back to electroplating cleaning process.
Method the most according to claim 1, it is characterised in that in described step (2), adds in copper-containing wastewater reaction tank
Precipitant is sodium hydroxide, and pH value is 8～8.5；The precipitant added in chromate waste water reaction tank is ferrous sulfate or burnt Asia
Sodium sulfate, pH value is 7～8.5；The precipitant added in cyanide wastewater reaction tank is sodium hypochlorite, and pH value is 11；Nickel-containing waste water
The precipitant sodium carbonate added in reaction tank, pH value is 4.5～5；Regulating pH value range in pre-treatment waste water reaction pond is 6～9.
Method the most according to claim 1 and 2, it is characterised in that the exchange that described step (3) ion-exchange treatment uses
Agent is hydrochloric acid and sodium hydroxide.
Method the most according to claim 3, it is characterised in that the exchanger that described step (4) ion-exchange treatment uses is
Sodium chloride.
5. realize the equipment of the described process for reclaiming of one of Claims 1 to 4, including copper-containing wastewater, chromate waste water, give up containing cyanogen
The Treatment for Reuse equipment of water, the Treatment for Reuse equipment of pre-treatment waste water, the Treatment for Reuse equipment of nickel-containing waste water, wherein:
Described copper-containing wastewater, chromate waste water, the Treatment for Reuse equipment of cyanide wastewater include that waste water reaction pond, elevator pump, inclined tube sink
Pond, shallow lake, pressure filter, defecator (A), ion exchange column, water reservoir；Wherein waste water reaction pond, elevator pump, tube settler even,
Defecator (A), ion exchange column, water reservoir are sequentially connected with by pipeline；
The Treatment for Reuse equipment of described pre-treatment waste water includes waste water reaction pond, elevator pump, defecator (B), and wherein waste water is anti-
Ying Chi, elevator pump, defecator (B) are sequentially connected with by pipeline, and reverse osmosis machine connects production line for water end (W.E.)；
The Treatment for Reuse equipment of described nickel-containing waste water includes waste water reaction pond, elevator pump, defecator (C), ion exchange column, storage
Pond；Wherein waste water reaction pond, elevator pump, defecator (C), ion exchange column, water reservoir are sequentially connected with by pipeline；
It is characterized in that at the reuse of described copper-containing wastewater, chromate waste water, the Treatment for Reuse equipment of cyanide wastewater and nickel-containing waste water
Reason equipment the most also includes reverse osmosis machine and vaporizer；Described water reservoir is sequentially connected with by pipeline with reverse osmosis machine, vaporizer；Institute
The Treatment for Reuse equipment stating nickel-containing waste water also includes reverse osmosis machine, and reverse osmosis machine is connected with defecator (B) by pipeline.
Equipment the most according to claim 5, it is characterised in that described defecator (A) is filter；Described defecator
(B) sand filter, carbon filter are included；Sand filter is connected with elevator pump and carbon filter respectively by pipeline；Described filtration
Device (C) is sand carbon Filter column.
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| CN201610701825.5A CN106116005A (en) | 2016-08-19 | 2016-08-19 | The process for reclaiming of electroplating wastewater and equipment thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108341526A (en) * | 2018-02-02 | 2018-07-31 | 无锡善境环保设备有限公司 | A kind of nickel-containing waste water online recycling water resource and extraction metal nickel resources new process |
| CN115557652A (en) * | 2022-11-10 | 2023-01-03 | 宝武水务科技有限公司 | Recycling treatment system and method for zinc-nickel-containing wastewater |
-
2016
- 2016-08-19 CN CN201610701825.5A patent/CN106116005A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108341526A (en) * | 2018-02-02 | 2018-07-31 | 无锡善境环保设备有限公司 | A kind of nickel-containing waste water online recycling water resource and extraction metal nickel resources new process |
| CN115557652A (en) * | 2022-11-10 | 2023-01-03 | 宝武水务科技有限公司 | Recycling treatment system and method for zinc-nickel-containing wastewater |
| CN115557652B (en) * | 2022-11-10 | 2024-05-10 | 宝武水务科技有限公司 | Zinc-nickel-containing wastewater recycling treatment system and method |
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