CN105502838A - Copper-plating waste water purification system and water purification method - Google Patents
Copper-plating waste water purification system and water purification method Download PDFInfo
- Publication number
- CN105502838A CN105502838A CN201610026022.4A CN201610026022A CN105502838A CN 105502838 A CN105502838 A CN 105502838A CN 201610026022 A CN201610026022 A CN 201610026022A CN 105502838 A CN105502838 A CN 105502838A
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- water
- resin
- electrode layer
- copper plating
- copper
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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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/10—Packings; Fillings; Grids
- C02F3/105—Characterized by the chemical composition
- C02F3/107—Inorganic materials, e.g. sand, silicates
-
- 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
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/003—Coaxial constructions, e.g. a cartridge located coaxially within another
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Hydrology & Water Resources (AREA)
- General Chemical & Material Sciences (AREA)
- Water Supply & Treatment (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Electrochemistry (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Treatment Of Water By Ion Exchange (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses a copper-plating waste water purification system and a water purification method. A resin particle electrode layer of the copper-plating waste water purification system is located on the top of the water purification system, an anode formed by titanium mesh is put on the top of resin, a cathode formed by a stainless steel pore plate is put at the bottom of the resin, the anode and the cathode are connected with a positive electrode and a negative electrode of an additional power supply respectively, an adsorptive biological filter layer is located on the lower portion of the resin particle electrode layer, and an aeration device and a backwash device are installed on the lower portion of the adsorptive biological filter layer. The water purification method comprises the following steps that 1, the waste water enters the upper portion of the resin particle electrode layer; 2, aeration is conducted through the aeration device; 3, resin particle electrode treatment is conducted; 4, microbiological treatment and physical filtration are conducted; 5, pure water is discharged. According to the water purification system, catalytic oxidation is conducted on nonbiodegradable organic matter in oxidized copper-plating waste water through a resin particle electrode, the biodegradability of copper-plating waste water is improved, the copper-plating waste water is discharged after microbiological treatment is conducted, and the problem that the copper-plating waste water is difficult to treat is solved.
Description
Technical field
The invention belongs to technical field of waste water processing, particularly relate to a kind of the copper plating wastewater water cleaning systems and the process for purifying water that can be used for wastewater treatment.
Background technology
Copper-plating technique is because having highly versatile, and the feature such as widely applicable, be used widely in the industrial production, consequent copper plating wastewater also rolls up.Copper plating wastewater is the composite waste of metal ion and the partial organic substances produced in copper facing Industrial processes, if let alone free discharge, forms serious potential risk by natural ecological environment and human health.The plurality of heavy metal ion contained in copper plating wastewater, strong toxicity is shown to animals and plants, is directly discharged in environment, not only can cause to ecotope the pollution being difficult to repair, and toxic substance by the inrichment of food chain, can produce harm to the health of people gradually.
Along with the use of hardly degraded organic substance a large amount of in the increase of copper-plating technique complexity and copper-plating technique, cause the intractability of copper plating wastewater also increasing, traditional sewage water treatment method is difficult to effectively process it.Add associated wastewater discharge standard to improve constantly, most of existing copper plating wastewater treatment process cannot make its qualified discharge smoothly.Therefore existing copper plating wastewater treatment process is upgraded and arrived the imperative stage.
The present invention is by resin type granule electrode treatment technology, improve the value of waste water BOD/COD, the pollutent of most of difficult for biological degradation is enable to be converted into easily by material that microbiological oxidation is decomposed, carried out a biological disposal upon by the adsorptive type biological filter bed of material afterwards, reach the object of enhancement process effect, thus improve the removal efficiency of dirty pollutant in water, reduce facility investment, floor space is little, is easy to install on the spot.
Summary of the invention
The object of the invention is to solve the existing waste water treatment process problem not good to copper plating wastewater treatment effect, provide a kind of copper plating wastewater water cleaning systems and process for purifying water.
For solving the problem, the present invention includes the adsorptive type biological filter bed of material and resin type granule electrode layer.
Described resin type granule electrode layer, fill the pre-treatment back loading strongly acidic cation-exchange of Fe3+, and the anode be made up of titanium net is placed at resin top, the negative electrode be made up of stainless steel orifice plate is placed bottom resin, anode and negative electrode are connected with negative pole with the positive pole of additional power source respectively, strongly acidic cation-exchange, negative electrode and anode three part jointly form resin type granule electrode layer.The adsorptivity biological filter bed of material is positioned at the below of resin type granule electrode layer, and the water after the process of resin type granule electrode layer is entered from adsorptive type biofilter material top by stainless steel orifice plate, is discharged after microbiological treatment by reactor bottom.
The described adsorptive type biological filter bed of material and resin type granule electrode layer are from bottom to top connected in same reactor, reactor monolith is cylinder shape, resin type granule electrode layer dress fills the resin type granule electrode that Zeo-karb is formed, height 300mm, adsorptive type biological filter bed of material dress fills 3-5mm zeolite, height 700mm, resin type granule electrode layer and adsorptive type biological filter bed of material diameter just as.
Be provided with back flushing water inlet pipe, aeration tube and aeration plate bottom the described adsorptivity biological filter bed of material, backwash pump is connected with back flushing water inlet pipe, and air compressor is connected with aeration tube, and aeration plate is arranged on aeration tube.
Adopt an a kind of copper plating wastewater process for purifying water described above, comprise the steps: that the sewage in (1) elevated tank measures through volume pump, enter resin type granule electrode layer top; (2) pass into pressurized air to aeration plate, controlling air water volume ratio is 4:1 to 2:1; (3) waste water enters resin type granule electrode layer through titanium net; (4) the titanium net at the two ends of resin type granule electrode layer is connected with negative pole with the positive pole of direct supply by anode line, cathode rays with stainless steel orifice plate, for resin type granule electrode layer provides required electric field; (5) sewage enters the adsorptive type biological filter bed of material through stainless steel orifice electrode; (6) water after the process of the adsorptive type biological filter bed of material is discharged through rising pipe; (7) run after for some time and back flushing is carried out to copper plating wastewater water cleaning systems, first air purge 3 minutes, then washing simultaneously and air purge 5 minutes, then wash 8 minutes.
Beneficial effect of the present invention: the value improving waste water BOD/COD under the effect of resin type granule electrode, increase its biodegradability, then remove the pollutent in waste water by biological treatment, thus improve the clearance of copper plating wastewater COD, and effectively can remove the heavy metal in waste water.
Accompanying drawing explanation
Fig. 1 is a kind of copper plating wastewater water cleaning systems of the present invention schematic diagram, is described further in conjunction with this figure.
Accompanying drawing 1 is schematic flow sheet of the present invention.
In Fig. 1: 1 direct supply; 2 anode lines; 3 cathode rays; 4 resin type granule electrode layers; The 5 adsorptive type biological filter bed of materials; 6 back flushing water inlet pipes; 7 air compressor; 8 back flushing water inlets; 9 backwash pumps; 10 water inlet volume pumps; 11 water inlet peristaltic pumps; 12 aeration tubes; 13 rising pipes; 14 water intaking (material) sample mouths; 15 foul water tank; 16 stainless steel orifice electrodes; 17 titanium nets; 18 aeration plates; 19 waste pipes; 20 upflow tubes.
Embodiment
Embodiment one:
Accompanying drawing is a kind of specific embodiment of the present invention, the sewage that this embodiment comprises in foul water tank 15 arrives resin type granule electrode layer 4 top by Sewage metering pump 10 through waste pipe 19, sewage enters in resin type granule electrode layer 4 through titanium net 17, there is direct supply 1 resin type granule electrode layer 4 outside, direct supply 1 is by anode line 2, cathode rays 3 respectively with the titanium net 18 in resin type granule electrode layer 4, stainless steel orifice electrode 17 connects, electric field is produced in strongly acidic cation-exchange region, resin particle is made to form resin type granule electrode, the adsorptive type biological filter bed of material 5 is entered through stainless steel orifice electrode 16 through resin type granule electrode layer 4 treated water, sewage is discharged by rising pipe 13 after the process of the adsorptive type biological filter bed of material 5, vertically be equally spaced in adsorptivity biofilter material outside water intaking (material) sample mouth 15, to observe the change of the adsorptive type biological filter bed of material 5 different positions water quality at any time, the adsorptive type biological filter bed of material 5 is provided with aeration plate 19, aeration tube 12, aeration plate 19 is connected with air compressor 7 by aeration tube 12, composition aerating system, for resin type granule electrode and microorganism provide required oxygen, back flushing water inlet pipe 6 is connected with backwash pump 9.
Sewage in foul water tank 15 is passed through Sewage metering pump 10 through waste pipe 19 resin type granule electrode layer 4 top, aeration plate 18 is provided with bottom the adsorptive type biological filter bed of material 5, aeration tube 12, aeration plate 18 is connected with air compressor 7 by aeration tube 12, composition aerating system, for resin type granule electrode and microorganism provide required oxygen, sewage enters in resin type granule electrode layer 4 through titanium net 17, resin type granule electrode layer filler used is through pretreated strongly acidic cation-exchange, high 0.3 meter, the adsorptive type biological filter bed of material 5 is entered through stainless steel orifice electrode 16 through resin type granule electrode layer 4 treated water, the adsorptive type biological filter bed of material fills zeolite, high 0.7 meter, sewage is discharged by rising pipe 13 after the process of the adsorptive type biological filter bed of material 5, damage by water increases to a certain degree, need to carry out back flushing to novel copper plating wastewater treatment unit, after first stopping sewage flowing into during back flushing, air purge is carried out by air compressor 7, then open backwash pump 9 to pressurize and carry out air water to novel copper plating wastewater treatment unit and combine flushing, close air compressor 7 afterwards, pressurize with backwash pump 9 again and novel copper plating wastewater treatment unit washed, the water of back flushing is discharged through upflow tube 20.
(1) water inlet hydraulic load is 6m to adopt above-mentioned a kind of copper plating wastewater process for purifying water to comprise the steps:
3/ m
2, measure through volume pump 10, enter resin type granule electrode layer top; (2) pass into pressurized air to aeration plate 12, the pressure controlling air compressor 7 is 0.7MPa, and gas-water ratio is 4:1; (3) waste water enters resin type granule electrode layer 4 through titanium net 12; (4) the titanium net 17 at the two ends of resin type granule electrode layer 4 is connected with negative pole with the positive pole of direct supply 1 by anode line 2, cathode rays 3 with stainless steel orifice electrode 16, for resin type granule electrode layer 4 provides required electric field; (5) sewage enters the adsorptive type biological filter bed of material 5 through stainless steel orifice electrode 16; (6) water after the process of the adsorptive type biological filter bed of material 5 is discharged through rising pipe 13; (7) run after for some time and back flushing is carried out to copper plating wastewater water cleaning systems, first air purge 3 minutes, then washing simultaneously and air purge 5 minutes, then wash 8 minutes.
Embodiment two:
The copper plating wastewater water cleaning systems of this specific embodiment is identical with the copper plating wastewater water cleaning systems of specific embodiment one.
This process for purifying water and specific embodiment one process for purifying water are distinguished and are: the air water volume ratio of aeration is 3:1.
Embodiment three:
The copper plating wastewater water cleaning systems of this specific embodiment is identical with the copper plating wastewater water cleaning systems of specific embodiment one.
This process for purifying water and specific embodiment one process for purifying water are distinguished and are: the air water volume ratio of aeration is 2:1.
Claims (5)
1. a copper plating wastewater water cleaning systems and process for purifying water, device mainly comprises resin type granule electrode layer (4), the adsorptive type biological filter bed of material (5), resin type granule electrode layer (4) fills the resin cation (R.C.) type granule electrode with ion exchange, the adsorptive type biological filter bed of material (5) is filled to zeolite, and the series connection of resin type granule electrode layer (4), the adsorptive type biological filter bed of material (5) is from top to bottom combined in a reactor.
2. copper plating wastewater water cleaning systems according to claim 1 and process for purifying water, it is characterized in that: resin type granule electrode layer (4) outside is connected to direct supply (1), direct supply is connected with the titanium net (17) in resin type granule electrode layer (4), stainless steel orifice electrode (16) respectively by anode line (2), cathode rays (3), the basis of external electric field realizes exchange copper plating wastewater heavy metal ion and catalytic oxidation organism, raising wastewater biodegradability object.
3. copper plating wastewater water cleaning systems according to claim 1 and process for purifying water, is characterized in that: the zeolite surface that the adsorptive type biological filter bed of material (5) is filled has the microflora of degraded resistance to poison, thus improves copper plating wastewater processing efficiency.
4. copper plating wastewater water cleaning systems according to claim 1 and process for purifying water, it is characterized in that: the adsorptive type biological filter bed of material (5) bottom is provided with aeration plate (18), aeration tube (12), back flushing water inlet pipe (6), waste pipe (19), air compressor (7) is connected with aeration tube (12), backwash pump (9) is connected with back flushing water inlet pipe (6), thus realizes copper plating wastewater water cleaning systems and process for purifying water aeration, water distribution and backwashing function.
5. copper plating wastewater water cleaning systems according to claim 1 and process for purifying water, it is characterized in that: the resin that resin type granule electrode layer (4) uses is obtained after pretreatment by common strongly acidic cation-exchange, pretreatment process is as follows, first by common strongly acidic cation-exchange washed with de-ionized water, then with acetone cleaning three to four times, use washed with de-ionized water again, reach deimpurity object, afterwards by cleaned strongly acidic cation-exchange with resin volume: liquor capacity is that the ratio of 1:10 puts into FeCl
3soak 24 hours in solution, to reach load Fe
3+object, the finally Fe load
3+the strongly acidic cation-exchange of ion is from FeCl
3taking out in solution, is that the environment of 373K dries the pre-treatment that can complete resin with putting into temperature after washed with de-ionized water again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610026022.4A CN105502838B (en) | 2016-01-15 | 2016-01-15 | A kind of copper plating wastewater water cleaning systems and process for purifying water |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610026022.4A CN105502838B (en) | 2016-01-15 | 2016-01-15 | A kind of copper plating wastewater water cleaning systems and process for purifying water |
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| Publication Number | Publication Date |
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| CN105502838A true CN105502838A (en) | 2016-04-20 |
| CN105502838B CN105502838B (en) | 2018-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610026022.4A Expired - Fee Related CN105502838B (en) | 2016-01-15 | 2016-01-15 | A kind of copper plating wastewater water cleaning systems and process for purifying water |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107010729A (en) * | 2017-06-05 | 2017-08-04 | 济南大学 | A kind of air water anisotropic flow gradual change type whole process autotrophic denitrification system and its processing method |
| CN107459109A (en) * | 2017-09-26 | 2017-12-12 | 哈尔滨工业大学 | The devices and methods therefor of removing heavy metals and hardly degraded organic substance is synchronously removed in a kind of air water anisotropic flow three-dimensional electro-catalysis |
| CN110723781A (en) * | 2019-11-11 | 2020-01-24 | 四川建筑职业技术学院 | Sewage treatment device and method for removing heavy metal ions |
| CN111517535A (en) * | 2020-04-20 | 2020-08-11 | 生态环境部华南环境科学研究所 | Method for treating chemical copper plating waste liquid by utilizing autocatalytic reaction |
| CN112408670A (en) * | 2020-12-09 | 2021-02-26 | 淮安中顺环保科技有限公司 | Treatment method of electroless copper plating rinsing solution |
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| CN104118931A (en) * | 2014-07-03 | 2014-10-29 | 济南大学 | A novel electric-biology coupled water purification system and a water purification method |
| CN204111399U (en) * | 2014-07-03 | 2015-01-21 | 济南大学 | A kind of air water anisotropic flow magnetic biofiltration reactor |
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2016
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Patent Citations (6)
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| US4882018A (en) * | 1987-03-20 | 1989-11-21 | General Motors Corporation | Electrolytic demetallization of dilute solutions using ion exchange resins |
| JPH036995B2 (en) * | 1987-11-04 | 1991-01-31 | Japan Carlit Co Ltd | |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107010729A (en) * | 2017-06-05 | 2017-08-04 | 济南大学 | A kind of air water anisotropic flow gradual change type whole process autotrophic denitrification system and its processing method |
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| CN107459109A (en) * | 2017-09-26 | 2017-12-12 | 哈尔滨工业大学 | The devices and methods therefor of removing heavy metals and hardly degraded organic substance is synchronously removed in a kind of air water anisotropic flow three-dimensional electro-catalysis |
| CN110723781A (en) * | 2019-11-11 | 2020-01-24 | 四川建筑职业技术学院 | Sewage treatment device and method for removing heavy metal ions |
| CN110723781B (en) * | 2019-11-11 | 2024-06-07 | 四川建筑职业技术学院 | Sewage treatment device and treatment method for removing heavy metal ions |
| CN111517535A (en) * | 2020-04-20 | 2020-08-11 | 生态环境部华南环境科学研究所 | Method for treating chemical copper plating waste liquid by utilizing autocatalytic reaction |
| CN112408670A (en) * | 2020-12-09 | 2021-02-26 | 淮安中顺环保科技有限公司 | Treatment method of electroless copper plating rinsing solution |
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| CN105502838B (en) | 2018-03-16 |
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