CN105399246B - A kind of electroplating cleaning waste water direct reuse system and method - Google Patents
A kind of electroplating cleaning waste water direct reuse system and method Download PDFInfo
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- CN105399246B CN105399246B CN201510982611.5A CN201510982611A CN105399246B CN 105399246 B CN105399246 B CN 105399246B CN 201510982611 A CN201510982611 A CN 201510982611A CN 105399246 B CN105399246 B CN 105399246B
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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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or 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
- C02F1/66—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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- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
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Abstract
The present invention discloses a kind of electroplating cleaning waste water direct reuse system and method, mainly including former pond, raw water pump, the first regulating reservoir, combined reaction pond, suction pump, the second regulating reservoir and plating clear water reuse tank.The present invention is by being provided with an immersion component and swash plate in combined reaction pond, realize the regrowth of electroplating cleaning heavy metal in waste water hydroxide particles, so that forming big particle under conditions of coagulant is not dosed, electroplating cleaning waste water is filtered, so as to direct reuse.The present invention is compared to existing technologies, its processing step is simple, the reaction time is short, input cost is low, treatment effeciency is high and automaticity is high, the discharge of heavy metal wastewater thereby can be not only controlled, water quality can also be controlled to reach the standard of recycling, there is high practicality and economic value.
Description
Technical field
The present invention relates to heavy metal-containing wastewater treatment field, more particularly to a kind of electroplating cleaning waste water direct reuse system and
Method.
Background technology
Electroplating industry is water consumption rich and influential family, while can produce substantial amounts of heavy metal-containing waste water, belongs to heavy polluted industry.But from certain
From the point of view of a little angles, the development of modern industry be unable to do without the supporting role of electroplating technology technology, electroplating industry in industrial development not
Can or it lack.In the electroplating wastewater of discharge, there are more than 80% cleaning process for coming from plated item, that is, the rinse water electroplated.This portion
It is not very high to divide water content of beary metal, but stills need processing ability qualified discharge, otherwise can cause serious ecological accidents.Mesh
Before, the recycling rate of waterused of electroplating washing water is very low, and wasting phenomenon is commonplace.
Traditional electroplating cleaning wastewater treatment mode be with plating caused by other waste water mix after uniformly handled, such as
The waste liquid such as " emit, run, dripping, leaking " caused by waste plating solution, process equipment and other reasonses.Traditional processing mode is：First plus alkali is adjusted
PH is saved, heavy metal hydroxide particle is formed, then first adds the flocculants such as aluminium polychloride, ferric trichloride, then add poly- third
The flocculation aids such as acrylamide, big vanadium flower is formed it into, mud-water separation is carried out in sedimentation basin.Sometimes sedimentation basin water outlet heavy metal is still
Can not be up to standard, add the reagents such as vulcanized sodium again in water outlet, then carry out membrane filtration again.Traditional process operations are simple,
Than relatively low, water outlet can reach the standard of GB21900-2008 tables 2 substantially is required to operating personnel.But this processing disadvantages also compare
Substantially, its floor space is big, added amount of chemical is big, sludge yield is high, processing cost is high.Especially, the processing effect of traditional handicraft
Fruit is unstable, easily produces fluctuation, there is situation not up to standard often.As requirement of the place to environmental protection is more and more stricter,
It is a trend to perform the tightened up standard of GB21900-2008 tables 3.In this case, be faced with can not be up to standard for traditional handicraft
The problem of, the difficulty for carrying out reuse is bigger.
Therefore, prior art has yet to be improved and developed.
The content of the invention
In view of above-mentioned the deficiencies in the prior art, it is an object of the invention to provide a kind of electroplating cleaning waste water direct reuse system
System and method, it is intended to the problem of it is low to solve electroplating cleaning ratio of water recycle, and the existing cumbersome cost of electroplating waste processing process is high.
Technical scheme is as follows：
A kind of electroplating cleaning waste water direct reuse system, wherein, the system includes one and electroplating cleaning waste water is housed
Former pond, the former pond be connected with turn raw water pump, the first regulating reservoir, combined reaction pond, suction pump, the second regulating reservoir and
Electroplate clear water reuse tank；
The top in the combined reaction pond is provided with an immersion type membrane component for being used to filter electroplating cleaning waste water, the leaching
Do not have the swash plate of one inverted V-shaped of lower section connection of formula membrane module；The bottom in the combined reaction pond is provided with a water-locator.
The electroplating cleaning waste water direct reuse system, wherein, the former pond is sequentially connected to by one first pipeline
The raw water pump and the first regulating reservoir；First regulating reservoir is connected to the cloth in the combined reaction pond by a second pipe
Hydrophone.
The electroplating cleaning waste water direct reuse system, wherein, the immersion type membrane component in the combined reaction pond passes through
One film outlet conduit is sequentially connected to the suction pump and the second regulating reservoir；Second regulating reservoir is connected by an outlet conduit
In the plating clear water reuse tank.
The electroplating cleaning waste water direct reuse system, wherein, the bottom in the combined reaction pond is also associated with a spoil disposal
Mouthful.
The electroplating cleaning waste water direct reuse system, wherein, the system also includes an alkali lye pond and adds alkali pump, institute
State alkali lye pond and described plus alkali pump and the first regulating reservoir are sequentially connected to by an alkali lye pipeline.
The electroplating cleaning waste water direct reuse system, wherein, the system also includes an acid bath and acid adding pump, institute
State acid bath and the acid adding pump and the second regulating reservoir are sequentially connected to by an acid line.
The electroplating cleaning waste water direct reuse system, wherein, one first agitator is provided with first regulating reservoir.
The electroplating cleaning waste water direct reuse system, wherein, one second agitator is provided with second regulating reservoir.
A kind of electroplating cleaning waste water direct reuse method, wherein, comprise the following steps：
First the pH of electroplating cleaning waste water is adjusted to 9.4-10.6 in the first regulating reservoir, then electroplating cleaning waste water is discharged into
In combined reaction pond, the heavy metal in electroplating cleaning waste water is formed particle and be discharged into sludge hopper, electroplating cleaning waste water passes through
Immersion membrane is filtered, and obtains electroplating washing water；The electroplating washing water is discharged into the second regulating reservoir again and adjusts pH
To 6.7-7.2, it is discharged into electroplating washing water reuse tank.
Beneficial effect：The present invention realizes electroplating cleaning by being provided with an immersion component and swash plate in combined reaction pond
The regrowth of heavy metal in waste water hydroxide particles, so that big particle is formed under conditions of coagulant is not added,
Electroplating cleaning waste water is filtered, so as to direct reuse.Compared to existing technologies, its processing step is simple by the present invention
List, the reaction time is short, input cost is low, treatment effeciency is high and automaticity is high, can not only control the row of heavy metal wastewater thereby
Put, water quality can also be controlled to reach the standard of recycling, there is high practicality and economic value.
Brief description of the drawings
Fig. 1 is the structural representation of electroplating cleaning waste water direct reuse system of the present invention.
Embodiment
The present invention provides a kind of electroplating cleaning waste water direct reuse system and method, to make the purpose of the present invention, technical side
Case and effect are clearer, clear and definite, and the present invention is described in more detail below.It is it should be appreciated that described herein specific real
Example is applied only to explain the present invention, is not intended to limit the present invention.
As shown in figure 1, the present invention provides a kind of electroplating cleaning waste water direct reuse system, wherein, the system includes
One is equipped with the former pond 1 of electroplating cleaning waste water, and the former pond 1 is connected with raw water pump 3, the first regulating reservoir 4, combined reaction in turn
Pond 7, suction pump 12, the second regulating reservoir 13 and plating clear water reuse tank 23；The top in the combined reaction pond 7 is provided with a use
In the immersion type membrane component 10 of filtering electroplating cleaning waste water, the lower section of the immersion type membrane component 10 connects the swash plate of an inverted V-shaped
9；The bottom in the combined reaction pond 7 is provided with a water-locator 8.
The specific implementation process of heretofore described electroplating cleaning waste water direct reuse system is：Electroplating wastewater exists with alkali lye
Mixed in first regulating reservoir 4 to adjust the pH value of electroplating wastewater, enter back into the bottom in combined reaction pond 7 and by water-locator 8, and
Heavy metal hydroxide particle in electroplating wastewater is in the bottom of combined reaction pond 7（That is sludge circulation flow region）With original sludge
Mixed and regrowth, and recycle stream is formed among the swash plate 9 at the middle part of combined reaction pond 7, prevent short grained hydroxide
Composition granule rapid increase, the electroplating wastewater after preliminary sedimentation rise through swash plate 9（Ji Jinguo swash plates area）, reach submerged membrane
Component 10（That is film reaction area）In.In film reaction area, electroplating wastewater passes through suction after the filtering by immersion type membrane component 10
The effect of pump 12 is extracted out, and a small amount of heavy metal hydroxide particle also contained in electroplating wastewater is submerged the retention of formula membrane module.Film
Water outlet enters the water for cleaning as plating piece in plating reuse tank after the second regulating reservoir 13 adjusts pH.In the present invention, lead to
Cross and a water-locator 8, swash plate 9 and immersion type membrane component 10 are set in combined reaction pond 7, realize heavy metal out of electroplating wastewater hydrogen-oxygen
The regrowth of compound particle, so that big particle can be formed under conditions of coagulant is not added and be filtered out, reach
The filter cleaning effect of electroplating cleaning waste water.System of the present invention is run using Automatic Control, is automatically adjusted chemical feeding quantity, is entered
Row spoil disposal and backwash, its realization principle are simply easily realized, and its is environmentally friendly pollution-free, have high economic valency
Value.
Specifically, the former pond 1 is sequentially connected to the regulating reservoir 4 of raw water pump 3 and first by one first pipeline 2；
First regulating reservoir 4 is connected to the water-locator 8 in the combined reaction pond 7 by a second pipe 6.
Further, the immersion type membrane component 10 in the combined reaction pond 7 is sequentially connected by a film outlet conduit 11
In the regulating reservoir 13 of suction pump 12 and second；Second regulating reservoir 13 is connected to the plating clearly by an outlet conduit 15
Water circulation pond 23.Preferably, the immersion type membrane component 10 can directly be submerged and is placed in combined reaction pond 7, its average film
Aperture is 10-100nm, and operating pressure is -5 ~ -30kPa.In preferred embodiment, the form of the immersion type membrane component 10 uses
Hollow fiber form is flat, and its material uses Kynoar, polyvinyl chloride alloy or polytetrafluoroethylene (PTFE)（PTFE）In one
Kind.
In combined reaction pond 7 of the present invention, for the swash plate 9, the water-locator 8 is arranged on described comprehensive
Position of the pond body of reaction tank 7 among bottom is closed, the swash plate 9 is arranged on the top of water-locator 8, institute with the structure of " inverted V-shaped "
State immersion type membrane component 10 and be vertically installed at the top of swash plate 9.Wherein, after electroplating cleaning waste water enters water-locator 8,
Water-locator 8 will flow up it after the uniform dispensing of electroplating cleaning waste water, enters in sludge circulation vitellarium and is grown, dirty
The sludgd deposition area of swash plate area or bottom is entered after mud growth（I.e. near mud discharging mouth）, contain a small amount of metal hydroxide particle
Electroplating wastewater enter the membrane module reaction zone on top（That is immersion type membrane component）, electroplating wastewater passes through above-mentioned submerged membrane group
Discharged again through film outlet conduit 11 after part 10.
Preferably, the bottom in the combined reaction pond 7 is in the shape of the letter V structure, and it is connected with a mud discharging mouth 16.Pass through the row
Mud mouth 16, middle the heavy metal hydrogen-oxygen particle and sludge in electrolytic cleaned waste water can be discharged, it is clear to reach preliminary filtering plating
Wash the purpose of waste water.
Further, the system also includes an alkali lye pond 17 and adds alkali pump 19, and the alkali lye pond 17 passes through an alkali lye
Pipeline 18 is sequentially connected to the described plus regulating reservoir 4 of alkali pump 19 and first., can be by electricity by the alkali lye in alkali lye pond in the present embodiment
The pH of solution cleaning waste water is controlled between 9.4 ~ 10.6, so as to meet that metallic particles separates pH bars in electrolytic cleaned waste water
Part.Preferably, the alkali lye is using the one or more in sodium hydroxide, calcium hydroxide, potassium hydroxide solution；The alkali lye
Concentration range is 10 ~ 20%.
In the same manner, the system also includes an acid bath 20 and acid adding pump 22, and the acid bath 20 passes through an acid solution pipe
Road 21 is sequentially connected to the regulating reservoir 13 of acid adding pump 22 and second.Acid solution in the acid bath 20 is electroplated also for regulation
Clean the pH of waste water.Preferably, the acid solution is using the one or more in sulfuric acid, hydrochloric acid solution；The concentration model of the acid solution
Enclose for 5-10%.
In preferred embodiment, one first agitator 5 is provided with first regulating reservoir 4；Similarly, second regulation
One second agitator 14 is provided with pond 13.By the stirring of the first agitator 5 and the second agitator 14, it is clear that plating can be accelerated
The mixing washed between waste water and alkali lye, acid solution, its pH is set to be rapidly achieved required scope.
In addition, the present invention also provides a kind of electroplating cleaning waste water direct reuse method, wherein, methods described is：First the
The pH of electroplating cleaning waste water is adjusted to 9.4-10.6 in one regulating reservoir, then electroplating cleaning waste water is discharged into combined reaction pond,
The heavy metal in electroplating cleaning waste water is formed particle and be discharged into sludge hopper, electroplating cleaning waste water is carried out by immersion membrane
Filtering, obtain electroplating washing water；The electroplating washing water is discharged into the second regulating reservoir again and adjusts pH to 6.7-7.2, is arranged
Enter in electroplating washing water reuse tank.
Specifically, the step of electroplating cleaning waste water direct reuse method is as follows：
（1）Water inlet：After the liquid level in former pond 1 reach a certain height, electroplating cleaning waste water is in the presence of raw water pump 3
Entered by the first pipeline 2 in the first regulating reservoir 4, the start and stop of the raw water pump 3 are by the liquid automatic control in former pond 1；
（2）Dosing：Alkali lye in alkali lye pond 17 is added to the first tune in the presence of alkali pump 19 is added by alkali lye pipeline 18
Save the water inlet position in pond 4；
（3）Regulation：Under the quick stirring of the first agitator 5 in the first regulating reservoir 4, the waste water in the first regulating reservoir 4
PH is adjusted between 9.4-10.6, adding the start and stop of alkali pump 19 to be automatically controlled by the pH of waste water in the first regulating reservoir 4；
（4）Sludge grows：The water outlet of first regulating reservoir 4 enters combined reaction pond 7 by second pipe 6 and water-locator 8
Bottom, the heavy metal hydroxide particle in electroplating cleaning waste water complete particle in the sludge circulation area that swash plate 9 is formed
The process of Diameter growth；
（5）Sludgd deposition：The larger metal hydroxide particle of particle diameter deposits in the bottom of combined reaction pond 7, accumulation
To bottom, further handled then is discharged by mud discharging mouth 16；
（6）Muddy water just separates：The less metal hydroxide particle of particle diameter is upwardly into electroplating cleaning waste water
Swash plate area, glided in the presence of swash plate 9, re-enter into the continued growth of sludge circulation area, electroplating cleaning waste water passes through swash plate 9
After continue to rise, into immersion type membrane component（That is film reaction area）, carry out the separation of thoroughly particulate matter and water；
（7）Filtering：Electroplating cleaning waste water in the presence of suction pump 12 by immersion type membrane component 10, through film outlet conduit
11 collections are entered in the second regulating reservoir 13；
（8）Regulation：Acid solution in acid bath 20 is added to the second tune in the presence of acid adding pump 22 by acid line 21
The water inlet position in pond 13 is saved, under the quick stirring of the second agitator 14 in the second regulating reservoir 13, the plating in pond 13 is clear
Wash wastewater pH to adjust to 7 or so, the start and stop of acid adding pump 22 are automatically controlled by the pH of clear water in the second regulating reservoir 13；
（9）Reuse：Water outlet in second regulating reservoir 13 is entered in electroplating washing water reuse tank 23 through outlet conduit 15, is supplied
Workshop is back to plating piece cleaning.
The present invention program is expanded on further below by several embodiments：
Embodiment 1：Handle electroplating washing water 253mg/L containing Cu, Ni 232mg/L, Cr 12mg/L, the Zn 37 of certain factory
Mg/L, pH 2.45, after system of the present invention processing, be back to matting uses 0.15mg/L containing Cu, Ni in water
0.03mg/L, Cr 0.19mg/L, Zn 0.09mg/L, pH 7.11, content of beary metal stably reaches GB21900- in recycle-water
The standard of 2008 table 3.After the present invention program is implemented, the electroplating washing water of the factory 80% is back to production, also 20% after processing
Plant area's others purposes is back to, total wastewater discharge reduces more than 60%.
Embodiment 2：Handle electroplating washing water 184mg/L containing Cu, Ni 202mg/L, Cr 74mg/L, the Zn 78 of certain factory
Mg/L, pH 2.73, after system of the present invention processing, be back to matting uses 0.11mg/L containing Cu, Ni in water
0.06mg/L, Cr 0.17mg/L, Zn 0.13mg/L, pH 7.15, content of beary metal stably reaches GB21900- in recycle-water
The standard of 2008 table 3.After this programme is implemented, the electroplating washing water of the factory 85% is back to production after processing, and 5% is used for water process
Workshop is made up a prescription, and 10% is used for mill floor rinses, road rinses and afforests etc., and total wastewater discharge reduces more than 60%.
Embodiment 3：Handle the electroplating washing water of certain factory, 184mg/L containing Cu, Ni 202mg/L, Cr 74mg/L, Zn 78
Mg/L, pH 2.68.After electroplating washing water reaches certain altitude, the first regulation is entered by pipeline in the presence of raw water pump
Pond, the opening and closing of raw water pump are by the liquid automatic control in former pond；In first regulating reservoir, alkali lye is added via adding alkali pump
And stirred by the first agitator, when the pH in the first regulating reservoir reaches 9.8, add alkali pump to stop adding alkali lye, add the unlatching of alkali pump
Adjusted with closing by the pH automatons in the first regulating reservoir；Membrane aperture in the immersion type membrane component is 50nm, fortune
Row pressure is -15kPa;When pond liquid enters the second regulating reservoir, acid adding pump enters 7% sulfuric acid or hydrochloric acid and by second to pond liquid pump
Agitator stirs, regulate in the second regulating reservoir 0.10mg/L containing Cu in pH pond liquid, Ni 0.07mg/L, Cr 0.17mg/L,
Zn 0.13mg/L, pH 7.20, content of beary metal stably reaches the standard of GB21900-2008 tables 3 in recycle-water.Total waste water row
High-volume reduce more than 70%.
The present invention realizes a huge sum of money in electroplating cleaning waste water by being provided with an immersion component and swash plate in combined reaction pond
Belong to the regrowth of hydroxide particles, so that big particle is formed under conditions of coagulant is not added, to electroplating cleaning
Waste water is filtered, so as to direct reuse.Compared to existing technologies, its processing step is simple, the reaction time by the present invention
It is short, input cost is low, treatment effeciency is high and automaticity is high, can not only control the discharge of heavy metal wastewater thereby, can also control
Water quality processed reaches the standard of recycling, has high practicality and economic value.
It should be appreciated that the application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can
To be improved or converted according to the above description, all these modifications and variations should all belong to the guarantor of appended claims of the present invention
Protect scope.
Claims (8)
1. a kind of electroplating cleaning waste water direct reuse system, it is characterised in that the system includes one and given up equipped with electroplating cleaning
The former pond of water, the former pond are connected with raw water pump, the first regulating reservoir, combined reaction pond, suction pump, the second regulating reservoir in turn
And plating clear water reuse tank；
The top in the combined reaction pond is provided with an immersion type membrane component for being used to filter electroplating cleaning waste water, the immersion
The lower section of membrane module connects the swash plate of an inverted V-shaped；The bottom in the combined reaction pond is provided with a water-locator；
The water-locator is arranged on position of the combined reaction pond pond body among bottom；
The bottom in the combined reaction pond is in the shape of the letter V structure；
The former pond is sequentially connected to the raw water pump and the first regulating reservoir by one first pipeline；First regulating reservoir leads to
Cross the water-locator that a second pipe is connected in the combined reaction pond.
2. electroplating cleaning waste water direct reuse system according to claim 1, it is characterised in that in the combined reaction pond
Immersion type membrane component is sequentially connected to the suction pump and the second regulating reservoir by a film outlet conduit；Second regulating reservoir leads to
Cross an outlet conduit and be connected to the plating clear water reuse tank.
3. electroplating cleaning waste water direct reuse system according to claim 2, it is characterised in that the bottom in the combined reaction pond
Portion is also associated with a mud discharging mouth.
4. electroplating cleaning waste water direct reuse system according to claim 3, it is characterised in that the system also includes one
Alkali lye pond and plus alkali pump, the alkali lye pond described plus alkali pump and the first regulating reservoir are sequentially connected to by an alkali lye pipeline.
5. electroplating cleaning waste water direct reuse system according to claim 4, it is characterised in that the system also includes one
Acid bath and acid adding pump, the acid bath are sequentially connected to the acid adding pump and the second regulating reservoir by an acid line.
6. electroplating cleaning waste water direct reuse system according to claim 5, it is characterised in that set in first regulating reservoir
It is equipped with one first agitator.
7. electroplating cleaning waste water direct reuse system according to claim 6, it is characterised in that set in second regulating reservoir
It is equipped with one second agitator.
A kind of 8. electroplating cleaning waste water direct reuse method using system as claimed in claim 1, it is characterised in that including with
Lower step：
First the pH of electroplating cleaning waste water is adjusted to 9.4-10.6 in the first regulating reservoir, then electroplating cleaning waste water is discharged into synthesis
In reaction tank, the heavy metal in electroplating cleaning waste water is formed particle and be discharged into the bottom in combined reaction pond, electroplating cleaning gives up
Water is filtered by immersion membrane, obtains electroplating washing water；The electroplating washing water is discharged into the second regulating reservoir again will
PH is adjusted to 6.7-7.2, is discharged into plating clear water reuse tank.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030155308A1 (en) * | 2002-01-31 | 2003-08-21 | Ford Global Technologies, Inc. | Process for treating industrial wastewaters |
| CN201125177Y (en) * | 2007-11-16 | 2008-10-01 | 王俊川 | Membrane separation sedimentation system integrated apparatus for recycling reclaimed water |
| CN102390899A (en) * | 2011-10-08 | 2012-03-28 | 东莞市威迪膜科技有限公司 | System and method for recycling nickel sulfamic acid electroplating waste water |
| CN104609589A (en) * | 2013-11-04 | 2015-05-13 | 南京源泉环保科技股份有限公司 | Solid-liquid separation method of electroplating wastewater |
-
2015
- 2015-12-24 CN CN201510982611.5A patent/CN105399246B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030155308A1 (en) * | 2002-01-31 | 2003-08-21 | Ford Global Technologies, Inc. | Process for treating industrial wastewaters |
| CN201125177Y (en) * | 2007-11-16 | 2008-10-01 | 王俊川 | Membrane separation sedimentation system integrated apparatus for recycling reclaimed water |
| CN102390899A (en) * | 2011-10-08 | 2012-03-28 | 东莞市威迪膜科技有限公司 | System and method for recycling nickel sulfamic acid electroplating waste water |
| CN104609589A (en) * | 2013-11-04 | 2015-05-13 | 南京源泉环保科技股份有限公司 | Solid-liquid separation method of electroplating wastewater |
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