CN105502838B - A kind of copper plating wastewater water cleaning systems and process for purifying water - Google Patents

A kind of copper plating wastewater water cleaning systems and process for purifying water Download PDF

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Publication number
CN105502838B
CN105502838B CN201610026022.4A CN201610026022A CN105502838B CN 105502838 B CN105502838 B CN 105502838B CN 201610026022 A CN201610026022 A CN 201610026022A CN 105502838 B CN105502838 B CN 105502838B
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China
Prior art keywords
water
electrode layer
copper plating
resin
plating wastewater
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Expired - Fee Related
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CN201610026022.4A
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Chinese (zh)
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CN105502838A (en
Inventor
冯岩
巩玉帅
于衍真
马衍乾
宋亭
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University of Jinan
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University of Jinan
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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
    • 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
    • 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 kind of copper plating wastewater water cleaning systems and process for purifying water.The anode being made up of titanium net is placed at the top of the resin type granule electrode layer of copper plating wastewater water cleaning systems, place the negative electrode being made up of stainless steel plate in bottom, anode and negative electrode are connected with the positive pole and negative pole of additional power source respectively, the absorbent-type biological filter bed of material is located at the lower section of resin type granule electrode layer, and aerator and back purge system are provided with below the absorbent-type biological filter bed of material.The process for purifying water of the present invention, comprises the following steps：（1）Sewage enters resin type granule electrode layer top；（2）It is aerated by aerator（3）The processing of resin type granule electrode layer；（4）Microbiological treatment and physical filtering；（5）Go out water purification.The water cleaning systems of the present invention first with the refractory organic in resin type granule electrode catalysis oxidation copper plating wastewater, improve copper plating wastewater biodegradability, then are discharged after microbiological treatment, solve the intractable problem of copper plating wastewater.

Description

A kind of copper plating wastewater water cleaning systems and process for purifying water
Technical field
The invention belongs to technical field of waste water processing, more particularly to a kind of copper plating wastewater water purification available for wastewater treatment System and process for purifying water.
Background technology
Copper-plating technique because with the features such as versatile, widely applicable, being used widely, thus producing in the industrial production Raw copper plating wastewater also rolls up.Copper plating wastewater is that caused metal ion and part are organic in copper facing industrial processes The composite waste of thing, if being allowed to free discharge, serious potential risk will be formed to natural ecological environment and human health.Plating Animals and plants are shown strong toxicity, are directly discharged in environment, not only can by the plurality of heavy metal ion contained in copper waste water Ecological environment is caused to be difficult to the pollution repaired, and noxious material gradually can be good for people by the enrichment of food chain Health produces harm.
With the use of a large amount of hardly degraded organic substances in the increase of copper-plating technique complexity and copper-plating technique, cause to plate The intractability of copper waste water is also increasing, and traditional sewage water treatment method is difficult to effectively handle it.Along with The wastewater discharge standard of correlation improve constantly, most of existing copper plating wastewater handling process can not smoothly make its row up to standard Put.Therefore existing copper plating wastewater handling process is upgraded and has arrived the imperative stage.
The present invention improves waste water BOD/COD value, makes most of difficult biology drop by resin type granule electrode treatment technology The pollutant of solution can be converted into the material easily decomposed by microbiological oxidation, carry out biology by the absorbent-type biological filter bed of material afterwards Processing, reach the purpose of enhancing treatment effect, so as to improve the removal efficiency of dirty pollutant in water, reduce equipment investment, account for Ground area is small, is easy to install on the spot.
The content of the invention
It is an object of the invention to solve the problems, such as that existing waste water treatment process is bad to copper plating wastewater treatment effect, there is provided A kind of copper plating wastewater water cleaning systems and process for purifying water.
To solve the above problems, a kind of copper plating wastewater water cleaning systems of the present invention include：Resin type granule electrode layer, absorbent-type The biological filter bed of material, stainless steel plate, titanium net, air compressor, foul water tank；Resin type granule electrode layer, born after filling pretreatment Fe is carried3+Strongly acidic cation-exchange, and the anode that is made up of titanium net is placed at the top of resin, is placed in resin bottom The negative electrode being made up of stainless steel plate, anode and negative electrode are connected with the positive pole and negative pole of dc source respectively；Absorbent-type biological filter The bed of material is located at the lower section of resin type granule electrode layer, absorbent-type biological filter bed of material filling zeolite；Resin type granule electrode layer, absorption The series connection of the type biological filter bed of material is from top to bottom combined in a reactor, reactor generally cylindrical type.
Described resin type granule electrode layer, filling pre-process back loading Fe3+Strongly acidic cation-exchange, and The anode being made up of titanium net is placed at the top of resin, the negative electrode being made up of stainless steel plate, anode and the moon are placed in resin bottom Pole is connected with the positive pole and negative pole of additional power source respectively, is realized on the basis of external electric field and copper plating wastewater heavy metal ion is exchanged And electrocatalytic oxidation organic matter, the purpose for improving wastewater biodegradability；Strongly acidic cation-exchange, negative electrode and anode three Part collectively constitutes resin type granule electrode layer；The absorbent-type biological filter bed of material is located at the lower section of resin type granule electrode layer, absorption The type biological filter bed of material fills zeolite, and zeolite surface has the microbiologic population of degraded resistance to poison, so as to improve at lead plating waste water Manage efficiency；Water after the processing of resin type granule electrode layer is entered by stainless steel plate at the top of absorbent-type biofilter material, warp Discharged after microbiological treatment by reactor bottom.
Described resin type granule electrode layer dress fills pretreatment back loading Fe3+Strongly acidic cation-exchange, it is high 300mm is spent, the preprocess method of wherein cationic ion-exchange resin is as follows：First by common strongly acidic cation-exchange spend from Sub- water cleaning, is then cleaned three to four times with acetone, then is cleaned with deionized water, reaches deimpurity purpose, afterwards will be clear Washed strongly acidic cation-exchange is with resin volume：Liquor capacity is 1：10 ratio is put into FeCl3Soaked in solution 24 hours, to reach load Fe3+Purpose, finally having loaded Fe3+The strongly acidic cation-exchange of ion is from FeCl3It is molten Taken out in liquid, the pre- place dried and can completed to resin in the environment that temperature is 373K is put into after being cleaned again with deionized water Reason.Absorbent-type biological filter bed of material dress fills 3-5mm zeolites, height 700mm, resin type granule electrode layer and the absorbent-type biological filter bed of material Diameter is identical.
Described absorbent-type biological filter bed of material bottom is provided with aeration plate, aeration tube, backwash water inlet pipe, air compressor Connected with aeration tube, backwash pump is connected with backwash water inlet pipe, and aeration plate is arranged on aeration tube, is equipped with back on return duct Pump is flowed, so as to realize copper plating wastewater water cleaning systems aeration, water distribution and backwashing function.
It is a kind of using a kind of copper plating wastewater process for purifying water described above, comprise the following steps：（1）Dirt in elevated tank Water is by metering pump-metered, into resin type granule electrode layer top；（2）Compressed air is passed through to aeration plate, controls air water body Product is than being 4：1 to 2：1；（3）Waste water enters resin type granule electrode layer by titanium net；（4）The two of resin type granule electrode layer The titanium net and stainless steel plate at end are connected by anode line, cathode line with the positive pole and negative pole of dc source, are resin type particle Electrode layer provides required electric field；（5）Sewage enters the absorbent-type biological filter bed of material by stainless steel plate electrode；（6）Through absorption Water after the processing of the type biological filter bed of material is discharged through outlet pipe；（7）Copper plating wastewater water cleaning systems are carried out instead after running a period of time Rinse, first air purge 3 minutes, then washing and air purge 5 minutes simultaneously, then wash 8 minutes.
Beneficial effects of the present invention：Waste water BOD/COD value is improved in the presence of resin type granule electrode, increasing it can Biochemical, the pollutant in waste water is then removed by biological treatment, so as to improve copper plating wastewater COD clearance, and can Effectively to remove the heavy metal in waste water.
Brief description of the drawings
Fig. 1 is a kind of copper plating wastewater water cleaning systems schematic diagram of the present invention, is described further with reference to this figure.
Accompanying drawing 1 is schematic flow sheet of the invention.
In Fig. 1：1 dc source;2 anode lines;3 cathode lines;4 resin type granule electrode layers;5 absorbent-types biology Filter material layer;6 backwash water inlet pipes；7 air compressors；8 backwash water inlets；9 backwash pumps；10 water inlet meterings Pump；11 water inlet peristaltic pumps；12 aeration tubes；13 outlet pipes；14 water intakings（Material）Sample mouth；15 foul water tanks；16 is stainless Steel orifice electrode；17 titanium nets；18 aeration plates；19 sewage pipes；20 overflow pipes.
Embodiment
Embodiment one：
Accompanying drawing is a kind of specific embodiment of the present utility model, and the sewage that the embodiment is included in foul water tank 15 passes through sewage Measuring pump 10 reaches the top of resin type granule electrode layer 4 through sewage pipe 19, and sewage enters resin type granule electrode by titanium net 17 In layer 4, there is dc source 1 outside resin type granule electrode layer 4, dc source 1 by anode line 2, cathode line 3 respectively and resin Titanium net 17, stainless steel plate electrode 16 in type granule electrode layer 4 are connected, and electricity is produced in strongly acidic cation-exchange region , resin particle is formed resin type granule electrode, through the water that resin type granule electrode layer 4 treats by stainless steel plate electricity Pole 16 enters the absorbent-type biological filter bed of material 5, and sewage is discharged by outlet pipe 13 after the processing of the absorbent-type biological filter bed of material 5, inhaled Vertically being equally spaced outside attached type biofilter material has water intaking（Material）Sample mouth 14, to observe absorbent-type biofilter material at any time The change of 5 diverse location water quality of layer, the absorbent-type biological filter bed of material 5 are provided with aeration plate 18, aeration tube 12, and aeration plate 18 passes through aeration Pipe 12 is connected with air compressor 7, forms aerating system, for resin type granule electrode and microorganism provide needed for oxygen, recoil Water inlet pipe 6 is washed with backwash pump 9 to be connected.
Sewage in foul water tank 15 is inhaled by Sewage metering pump 10 through the top of 19 resin type granule electrode layer of sewage pipe 4 The attached bottom of the type biological filter bed of material 5 is provided with aeration plate 18, aeration tube 12, and aeration plate 18 passes through aeration tube 12 and the phase of air compressor 7 Even, form aerating system, for resin type granule electrode and microorganism provide needed for oxygen, sewage enters resin type by titanium net 17 In granule electrode layer 4, the filler used in resin type granule electrode layer is by the strongly acidic cation-exchange of pretreatment, height 0.3 meter, enter the absorbent-type biological filter bed of material 5 by stainless steel plate electrode 16 through the water that resin type granule electrode layer 4 treats, The absorbent-type biological filter bed of material fills zeolite, high 0.7 meter, and sewage passes through the row of outlet pipe 13 after the processing of the absorbent-type biological filter bed of material 5 Go out, first stop dirt, it is necessary to backwashed to new copper plating wastewater processing unit after water damage increase to a certain extent, during backwash After water flows into, air purge is carried out by air compressor 7, backwash pump 9 is then opened and pressurizes to new copper plating wastewater processing unit Carry out air water joint to rinse, close air compressor 7 afterwards, then pressurizeed with backwash pump 9 and the processing of new copper plating wastewater is filled Put and washed, the water of backwash is discharged through overflow pipe 20.
Comprised the following steps using a kind of above-mentioned copper plating wastewater process for purifying water：（1）Water inlet hydraulic load is 6m3/m2H, warp Cross measuring pump 10 to measure, into resin type granule electrode layer top；（2）Compressed air is passed through to aeration plate 18, controls air pressure The pressure of contracting machine 7 is 0.7MPa, gas-water ratio 4：1；（3）Waste water enters resin type granule electrode layer 4 by titanium net 17；（4） The titanium net 17 and stainless steel plate electrode 16 at the both ends of resin type granule electrode layer 4 pass through anode line 2, cathode line 3 and direct current The positive pole in source 1 is connected with negative pole, and required electric field is provided for resin type granule electrode layer 4；（5）Sewage is by stainless steel plate electricity Pole 16 enters the absorbent-type biological filter bed of material 5；（6）Water after the processing of the absorbent-type biological filter bed of material 5 is discharged through outlet pipe 13；（7） Copper plating wastewater water cleaning systems are backwashed after operation a period of time, first air purge 3 minutes, then washing and air purge 5 divide simultaneously Clock, then wash 8 minutes.
Embodiment two：
The copper plating wastewater water cleaning systems of this specific embodiment are identical with the copper plating wastewater water cleaning systems of specific embodiment one.
This process for purifying water is with the difference of the process for purifying water of specific embodiment one：The air water volume ratio of aeration is 3:1.
Embodiment three：
The copper plating wastewater water cleaning systems of this specific embodiment are identical with the copper plating wastewater water cleaning systems of specific embodiment one.
This process for purifying water is with the difference of the process for purifying water of specific embodiment one：The air water volume ratio of aeration is 2:1.

Claims (4)

1. a kind of copper plating wastewater water cleaning systems, system includes resin type granule electrode layer（4）, the absorbent-type biological filter bed of material（5）, no Become rusty steel orifice plate（16）, titanium net（17）, air compressor（7）, foul water tank（15）；Resin type granule electrode layer（4）Filling pretreatment Back loading Fe3+Strongly acidic cation-exchange, and in resin type granule electrode layer（4）Place by titanium net at top（17）Structure Into anode, resin bottom place by stainless steel plate（16）The anode of composition, anode and negative electrode respectively with additional power source（1） Positive pole be connected with negative pole；The absorbent-type biological filter bed of material（5）Positioned at resin type granule electrode layer（4）Lower section, absorbent-type biology Filter material layer（5）It is filled with zeolite；Resin type granule electrode layer（4）, the absorbent-type biological filter bed of material（5）Series connection is from top to bottom combined In one reactor；The process for purifying water of system is：First, the sewage in elevated tank is by metering pump-metered, into resin type grain Sub-electrode layer top；2nd, compressed air is passed through to aeration plate, it is 4 to control air water volume ratio：1 to 2：1；3rd, waste water passes through titanium net Into resin type granule electrode layer；4th, the both ends of resin type granule electrode layer titanium net and stainless steel plate by anode line, Cathode line is connected with the positive pole and negative pole of dc source, and required electric field is provided for resin type granule electrode layer；5th, sewage passes through Stainless steel plate electrode enters the absorbent-type biological filter bed of material；6th, the water after the processing of the absorbent-type biological filter bed of material is arranged through outlet pipe Go out；7th, copper plating wastewater water cleaning systems are backwashed after running a period of time, first air purge 3 minutes, it is gentle then to wash simultaneously Wash 5 minutes, then wash 8 minutes.
2. the copper plating wastewater water cleaning systems described in claim 1, it is characterised in that：The absorbent-type biological filter bed of material（5）The boiling of filling Stone surface has the microbiologic population of degraded resistance to poison, so as to improve copper plating wastewater treatment effeciency.
3. the copper plating wastewater water cleaning systems described in claim 1, it is characterised in that：The absorbent-type biological filter bed of material（5）Bottom is provided with Aeration plate（18）, aeration tube（12）, backwash water inlet pipe（6）, sewage pipe（19）, air compressor（7）And aeration tube（12）Even Connect, backwash pump（9）With backwash water inlet pipe（6）Connection, so as to realize copper plating wastewater water cleaning systems aeration, water distribution and anti- Pre-washing function.
4. the cation that resin type granule electrode layer is filled in a kind of copper plating wastewater water cleaning systems using described in claim 1 is handed over Change the preprocess method of resin, it is characterised in that：Resin type granule electrode layer（4）Used resin is by common strong-acid type sun What ion exchange resin obtained after pretreatment, preprocess method is as follows, first spends common strongly acidic cation-exchange Ionized water cleans, and is then cleaned three to four times with acetone, then is cleaned with deionized water, reaches deimpurity purpose, afterwards will Cleaned strongly acidic cation-exchange is with resin volume：Liquor capacity is 1：10 ratio is put into FeCl3Soaked in solution Bubble 24 hours, to reach load Fe3+Purpose, finally having loaded Fe3+The strongly acidic cation-exchange of ion is from FeCl3 Taken out in solution, the pre- place dried and can completed to resin in the environment that temperature is 373K is put into after being cleaned again with deionized water Reason.
CN201610026022.4A 2016-01-15 2016-01-15 A kind of copper plating wastewater water cleaning systems and process for purifying water Expired - Fee Related CN105502838B (en)

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CN107010729B (en) * 2017-06-05 2022-08-19 济南大学 Gas-water anisotropic flow gradual-change type completely autotrophic nitrogen removal system and treatment method thereof
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
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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JPH036995B2 (en) * 1987-11-04 1991-01-31 Japan Carlit Co Ltd
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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
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JPH036995B2 (en) * 1987-11-04 1991-01-31 Japan Carlit Co Ltd
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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
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