CN107522267A - A kind of multistage out-phase three-dimensional electrochemical reaction unit for waste water treatment - Google Patents

A kind of multistage out-phase three-dimensional electrochemical reaction unit for waste water treatment Download PDF

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Publication number
CN107522267A
CN107522267A CN201710846679.XA CN201710846679A CN107522267A CN 107522267 A CN107522267 A CN 107522267A CN 201710846679 A CN201710846679 A CN 201710846679A CN 107522267 A CN107522267 A CN 107522267A
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phase
reaction unit
electrochemical reaction
reactor
dimensional electrochemical
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李秀艳
徐娟
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East China Normal University
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East China Normal University
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/46Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/46104Devices therefor; Their operating or servicing
    • C02F1/46109Electrodes
    • C02F1/46114Electrodes in particulate form or with conductive and/or non conductive particles between them
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/46Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/467Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
    • C02F1/4672Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/46Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/46104Devices therefor; Their operating or servicing
    • C02F1/46109Electrodes
    • C02F2001/46133Electrodes characterised by the material
    • C02F2001/46138Electrodes comprising a substrate and a coating
    • C02F2001/46142Catalytic coating
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00Apparatus for treatment of water, waste water or sewage
    • C02F2201/46Apparatus for electrochemical processes
    • C02F2201/461Electrolysis apparatus
    • C02F2201/46105Details relating to the electrolytic devices
    • C02F2201/4619Supplying gas to the electrolyte
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2305/00Use of specific compounds during water treatment
    • C02F2305/02Specific form of oxidant
    • C02F2305/023Reactive oxygen species, singlet oxygen, OH radical

Abstract

The invention discloses a kind of multistage out-phase three-dimensional electrochemical reaction unit for waste water treatment, the device is multi-stage series system, every section of at least two reative cells for including being separated by central dividing plate and a gas distribution deslagging chamber, the battery lead plate of vertical parallel arrangement is provided with reative cell, battery lead plate is alternately positive pole and negative pole, is connected in parallel on external power supply.The granule electrode of supported catalyst is filled between battery lead plate.Aeration board, pipe or disk are set in gas distribution deslagging chamber, external gas generator is connected by gas pipeline, oxidizing gas is provided into reactor.Gas distribution deslagging chamber lower end is provided with evacuation port, periodically carries out body refuse cleaning and the emptying of sewage.The connection of aqueous phase is realized by the gas distribution deslagging chamber of lower end between each reative cell, realizes the UNICOM of aqueous phase between each section of reactor by overfall.Structural reduction of the present invention and integration, easy to operation, maintenance and Automated condtrol, sewage treating efficiency is high, it is few to add chemical agent, sludge output.

Description

A kind of multistage out-phase three-dimensional electrochemical reaction unit for waste water treatment
Technical field
The invention belongs to technical field of sewage, is related to a kind of multistage out-phase three-dimensional electrochemical reaction unit.
Background technology
The governing problem of a large amount of high concentrations domestic at present and indegradable industrial effluent turns into environmental area great class urgently to be resolved hurrily Topic, these industrial wastewater organic concentrations are high, and biodegradability is poor, complicated component, containing biological intoxicating material, traditional materialization and Biochemical processing method has larger limitation.
Three-dimensional electrochemical technology is a kind of new high-level oxidation technology, is filled out in traditional two-dimentional electrochemical reactor Granule electrode composition is filled, has treatment effeciency high, hydraulic detention time is short, and floor space is few, and waste residue is few, and wide spectrum adaptability etc. is excellent Point, has broad application prospects, and turns at present one of study hotspot in contamination control field both at home and abroad.The work of three-dimensional electrochemical Include directly effect and indirectly-acting with mechanism.Directly effect is the electrochemical oxidation and reduction reaction carried out in electrode surface, Electrode surface both includes negative and positive major electrode surface, also including all granule electrode surfaces.Numerous granule electrodes greatly increase The contact area of solution and electrode, mass transfer distance is shortened, improve current efficiency and contaminant degradation effect.
Indirectly-acting refers to the free chain reaction triggered in electric field, by oxygen, anode and the particle of aeration dissolving Oxygen caused by electrode anode end, the extremely strong hydrogen peroxide of oxidisability and hydroxyl are generated certainly in negative electrode and the reduction of granule electrode cathode terminal By base, while in the presence of electromagnetic field and redox electronics are to catalyst in system again, it is extremely strong to produce a large amount of oxidisability Free radical, HO2 -, O, H, O2 -·, O3 -Deng.These free radicals react with useless Organic substance in water, generate unstable Organic matter free radical R etc., so as to trigger substantial amounts of free chain reaction, so as to which progressively exhaustive oxidation divides by organic pollution Solve as CO2And H2O。
The practical engineering application of three-dimensional electrochemical technology is also seldom at present, and equipment investment is high, and operating cost is high, without maturation Equipment and technique.Also need in reaction unit structure, granule electrode material character, urge with three-dimensional electrochemical technology on a large scale Agent species property, operation process condition etc. carry out substantial amounts of basic research work and engineering practice.
The content of the invention
The purpose of the present invention be in view of the shortcomings of the prior art and provide a kind of structural reduction, it is simple to operate, easy to maintain and Automated condtrol, treatment effeciency is high, need not adding any chemical agent, sludge output, few, efficiency high multistage out-phase is three-dimensional electrochemical Learn reaction unit.
To achieve the above object, the present invention uses following technical scheme:
A kind of multistage out-phase three-dimensional electrochemical reaction unit for waste water treatment, feature is that the device includes:Body, external electricity Source and external gas generator, the body front end set water inlet, and end sets delivery port, and it is interior at least provided with second-stage reaction Device, each section of reactor are in series and the UNICOM of aqueous phase between adjacent section reactor are realized by overfall, wherein:
Every section of reactor is divided at least two reative cells by central dividing plate, and realizes reative cell by the gas distribution deslagging chamber of lower end Between aqueous phase UNICOM;Each reative cell at least provided with two pieces of vertical parallel arrangements battery lead plate, each reative cell battery lead plate positive pole and Negative pole is arranged alternately, and is connected in parallel external power supply;Particle filled composite electrode between battery lead plate, granule electrode are placed in the basket with sieve aperture In or be stacked on the orifice plate of reative cell bottom;Aeration board, pipe or disk are provided with gas distribution deslagging chamber, is connected by gas pipeline outer Gas generator is put, every section of reactor lower end is provided with evacuation port.
The battery lead plate is boron-doped diamond film pole plate(BDD), titanium-based transition metal oxide coated electrode(DSA)、 One kind in stainless steel polar plate, graphite electrode plate or alloy pole plate.Preferably, anode uses boron-doped diamond thin-film electrode(BDD)、 Titanium-based transition metal oxide coated electrode(DSA)In one kind;Negative electrode is using one kind in stainless steel electrode, graphite electrode.
The granule electrode is loaded with for heterocatalysis contaminant degradation and the catalysis removed thereon using particle as matrix Agent;Described matrix is granular activated carbon, alundum (Al2O3) particle or zeolite granular, is used alone or two kinds or several mixing make With;Catalyst is the one or several kinds of mixing of titanium dioxide, metal or transition metal oxide.Preferably, granule electrode is using work Property charcoal particle or activated carbon granule doped alumina particle are matrix, matrix load nano-titanium dioxide, Mn oxide, copper Oxide, ferriferous oxide, ru oxide, palladium oxide, cobalt/cobalt oxide, silver oxide, cerium oxide, titanium oxide, zinc oxidation The one or more of thing etc. are granule electrode.
The filler basket horizontally or vertically concatenates to be several.
The external power supply is arranged to one or several, and one or several sections reactors of every section of reactor setting share one.
The gas distribution deslagging chamber is reverse taper or cuboid structure, it is preferred that is designed as rectangular parallelepiped structure, gas distribution deslagging chamber Bottom sets certain angle of inclination, is advantageous to the discharge of body refuse and the emptying of sewage.In the gas distribution deslagging chamber be provided with aeration board, Pipe or disk;Aeration board, pipe or disk connect external gas generator by gas pipeline;
The external gas generator is air compressor or ozone generator.Preferably, connected by gas pipeline external Air compressor or ozone generator, compressed air or ozone are provided into reactor.
The evacuation port is used for the cleaning of body refuse and the emptying of sewage.
The present invention is used for the degraded of organic wastewater with difficult degradation thereby of the B/C less than 0.3, and waste water needs before apparatus of the present invention are entered Pre-processed, pretreatment typically removes suspension, colloidal impurity and calcium, magnesium, phosphorus, gold in waste water using coagulating sedimentation technology Belong to ion etc., reduce toxic action of these interference factors to catalyst.
The multistage out-phase three-dimensional electrochemical processing of the present invention is that the catalyst for being catalyzed contaminant degradation is supported on into particle electricity On extremely, under electric field energy promotion, the pollutant in heterocatalysis degraded aqueous phase is right with directly or indirectly redox Baroque organic molecule implements the oxidation Decomposition or modified with reduction of non-selectivity in sewage, open loop scission of link, improves B/C, together When significantly remove COD, degrade organic amine and ammonia nitrogen.
Beneficial effects of the present invention
1)The present invention is used to handle organic wastewater with difficult degradation thereby, has the advantage that:
A capacity of resisting impact load is strong, and treatment effect is stable, and effluent quality is excellent;
B management is convenient, modularization reaction unit, complete set technology, and accurately controls, so as to ensure the stable operation of handling process;
C is compact-sized, operating cost is low.
3)Apparatus of the present invention can realize the efficient process to organic wastewater with difficult degradation thereby, preserve the ecological environment, and have for difficult degradation The improvement of machine waste water solves key technique problem.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention;
Fig. 2 is the structural representation of the embodiment of the present invention 2;
Fig. 3 is the structural representation of the embodiment of the present invention 3;
Fig. 4 is the structural representation of the embodiment of the present invention 4.
Embodiment
Below in conjunction with Figure of description and specific embodiment, the invention will be further described, but does not therefore limit this The protection domain of invention.
Refering to Fig. 1, the present invention is included by multistage(>=2 sections)The body 1 that reactor is composed in series, it is real between adjacent section reactor The overfall 2 of existing aqueous phase UNICOM, the central dividing plate 3 of separate reactors, the reative cell 4 separated by central dividing plate, reactor lower end Gas distribution deslagging chamber 5, be arranged on the battery lead plate 6 of two pieces of reative cell or more vertical parallel arrangements, external power supply 7, be filled in Granule electrode 8 between battery lead plate, for banking up the bottom orifice plate 10 of granule electrode, the aeration board that is set in gas distribution deslagging chamber, Pipe or disk 11, gas pipeline 12 and gas generator 13, the evacuation port 14 of reactor lower end, the water inlet 15 of reaction unit, go out The mouth of a river 16.
Embodiment 1
Refering to Fig. 1, the present embodiment is set to be sequentially connected in series four sections of reactors, and current are realized by overfall 2 between each section of reactor UNICOM.Every section of reactor is divided into two isometric reative cells 4 by central dividing plate 3, passes through reative cell between reative cell 4 4 lower end gas distribution deslagging chamber 5 are connected, and gas distribution deslagging chamber 5 is designed as inverted pyramidal structures.Each two pieces of reative cell setting is vertical parallel The battery lead plate 6 of arrangement, battery lead plate 6 are connected in parallel external power supply 7.Anode electrode plate uses titanium-based ruthenium iridium electrode, and negative electrode is using pure Titanium-matrix electrode.The granule electrode 8 filled between battery lead plate is using seed activity carbon matrix load Nano titanium dioxide, particle electricity Pole 8 is positioned on the porous sieve plate 10 of the bottom of reative cell 4 setting.Aeration board 11 is set in gas distribution deslagging chamber 5, passes through gas pipeline The external air compressor 13 of 12 connections, compressed air is provided into reactor.Reactor lower end sets evacuation port 14, for mud The cleaning of slag and the emptying of sewage.Reaction unit front end sets water inlet 15, and rear end sets delivery port 16.
The present embodiment so works:
Multistage out-phase three-dimensional electrochemical reaction unit is used to handle high-concentration hardly-degradable(B/C is less than 0.3)Organic wastewater, out-phase are urged Change wide spectrum degradable organic pollutant, oxidation Decomposition or modified with reduction, open loop scission of link, improve B/C, while significantly remove COD, drop Solve organic amine and ammonia nitrogen.Need to carry out preceding processing, two dimension electrification before sewage enters multistage out-phase three-dimensional electrochemical reaction unit Coagulation or traditional chemical coagulation are learned, suspension, colloidal impurity and calcium in waste water, magnesium, phosphorus, metal ion etc. is removed, goes simultaneously Except certain COD.Reaction unit first installs battery lead plate, wiring, connects power supply, installs granule electrode additional in reactor, connect electricity Source, the waste water Jing Guo pre-treatment is entered into multistage out-phase three-dimensional electrochemical reaction unit by water inlet 15, it is anti-that waste water enters first Room is answered, enters the second reative cell by lower porous sieve plate 10 and gas distribution deslagging chamber 5, then by the second reative cell and the 3rd reative cell The overfall of upper end enters the 3rd reative cell, and by that analogy, when flowing through each reative cell, the absorption of partial contamination material exists waste water Major electrode surface and granule electrode surface, under electric field energy promotion, these pollutants are on anodic-cathodic surface and numerous particles Electrode surface carries out direct oxidation effect and reduction.Meanwhile by oxygen, anode and the granule electrode anode of aeration dissolving Oxygen caused by end, the extremely strong hydrogen peroxide and hydroxyl radical free radical of oxidisability is generated in negative electrode and the reduction of granule electrode cathode terminal, together When again in system electromagnetic field and redox electronics under catalytic action, producing the extremely strong free radical of a large amount of oxidisability, HO2 -, O, H, O2 -·, O3 -Deng.These free radicals react with useless Organic substance in water, generate unstable organic matter certainly By base R etc., so as to trigger substantial amounts of free chain reaction.Waste water is direct in electrode surface when flowing through each reative cell Under the indirectly-acting of effect and free chain reaction, hardly degraded organic substance therein is progressively degraded, from larger molecular organicses Progressively scission of link open loop is degraded to small organic molecule, and partial organic substances are decomposed into CO by exhaustive oxidation2And H2O.Final outflow water is from going out The mouth of a river 16 enters follow-up processing or into discharge bay.
By taking certain chemical Holding Co., Ltd.'s pyridine insecticides production wastewater treatment as an example, the waste water is high organic matter Content, high salt, the organic wastewater of difficult degradation, the water quality index after coagulating treatment are:CODcr 19110 mg/L, BOD 1146 mg/L, NH3- N 38.5 mg/L, Cl-8879 mg/L.After coagulating treatment pyridine insecticides production waste water by Water inlet 15 enters the multistage out-phase three-dimensional electrochemical reaction unit of embodiment 1, and water outlet flows out reaction unit from delivery port 16.Even Continuous Inlet and outlet water, hydraulic detention time 160min, voltage strength 0.5V/cm, after continuously running 10d, effluent index is:CODcr 3862 mg/L, BOD 686 mg/L, NH3- N 15 mg/L, Cl- 1624 mg/L。BOD5/ COD is improved to 0.18 by 0.06, can Biochemical significantly improves.Water outlet observes active microorganism and protozoan under the microscope after placing 14 days(With infusorian Based on class).Water outlet can adjust load and enter follow-up biological treatment device and follow-up desalter.
Embodiment 2
Refering to Fig. 2, the present embodiment is set to be sequentially connected in series four sections of reactors, and current are realized by overfall 2 between each section of reactor UNICOM.Every section of reactor is divided into two isometric reative cells 4 by central dividing plate 3, passes through reative cell between reative cell 4 4 lower end gas distribution deslagging chamber 5 are connected, and gas distribution deslagging chamber 5 is designed as inverted pyramidal structures.Each two pieces of reative cell setting is vertical parallel The battery lead plate 6 of arrangement, battery lead plate 6 are connected in parallel external power supply 7.Reactor anode electrode plate uses boron-doped diamond film pole plate (BDD), negative electrode uses stainless steel electrode.Granule electrode 8 is using seed activity carbon matrix Supported Manganese oxide, Cu oxide and iron Oxide, granule electrode 8 are filled in the filler basket 9 with sieve aperture, and multiple filler baskets 9 horizontally or vertically concatenate in reative cell 4. Aeration board 11 is set in gas distribution deslagging chamber 5, external air compressor 13 is connected by gas pipeline 12, is provided into reactor Compressed air.Reactor lower end sets evacuation port 14, for the cleaning of body refuse and the emptying of sewage.Reaction unit front end set into The mouth of a river 15, rear end set delivery port 16.The present embodiment course of work is the same as embodiment 1.
With Hebei Chemical Group carbon lipid(The formicester of succinic acid two;Succinic acid diisopropyl fat;The formicester of succinyl succinic acid two Deng)Exemplified by producing waste water, the water quality index after coagulating treatment is:CODcr 63252 mg/L, BOD 0 mg/L, Cl- 135 mg/L.Carbon lipid production waste water after coagulating treatment is entered the three-dimensional electricity of multistage out-phase of embodiment 2 by water inlet 15 Chemical reaction equipment, water outlet flow out reaction unit from delivery port 16.Continuous flow, hydraulic detention time 200min, voltage are strong 1.0V/cm is spent, after continuously running 8d, effluent index is:CODcr 6847 mg/L, BOD 1621 mg/L, Cl- 19 mg/L。 BOD5/ COD is improved to 0.24 by 0, and biodegradability significantly improves.Water outlet can adjust load enter follow-up biological treatment device with And follow-up desalter.
Embodiment 3
Refering to Fig. 3, the present embodiment is set to be sequentially connected in series four sections of reactors, and current are realized by overfall 2 between each section of reactor UNICOM.Every section of reactor is divided into two isometric reative cells 4 by central dividing plate 3, passes through reative cell between reative cell 4 4 lower end gas distribution deslagging chamber 5 are connected, and gas distribution deslagging chamber 5 is designed as rectangular parallelepiped structure.Each two pieces of reative cell setting is vertical parallel The battery lead plate 6 of arrangement, battery lead plate 6 are connected in parallel external power supply 7.Reactor anode electrode plate uses titanium-based ruthenium iridium electrode, negative electrode Using graphite electrode.Granule electrode 8 is using seed activity carbon matrix Supported Manganese oxide, Cu oxide, ferriferous oxide, particle electricity Pole 8 is filled in the filler basket 9 with sieve aperture, and multiple filler baskets 9 horizontally or vertically concatenate in reative cell 4.In gas distribution deslagging chamber 5 Aeration board 11 is set, external ozone generator 13 is connected by gas pipeline 12, compression ozone is provided into reactor.Reaction Device lower end sets evacuation port 14, for the cleaning of body refuse and the emptying of sewage.Reaction unit front end sets water inlet 15, and rear end is set Put delivery port 16.The present embodiment course of work is the same as embodiment 1.
By taking triethylamine wastewater treatment as an example.Zeolite synthesis crystallization mother liquor waste water contains all kinds of organic amines, wherein there is representative Property is triethylamine hydrochloride.Such waste water is the waste water of typical high concentration, high salinity and difficult for biological degradation.Have due to lacking The processing means of effect, current this kind of waste water mainly carry out high temperature incineration, and processing cost is high, it is difficult to maintains.In the present embodiment, The water quality index of triethylamine waste water after coagulation pre-treatment is:The mg/L of CODcr 46131 mg/L, BOD 545, triethylamine Concentration 28172 mg/L, Cl-14605 mg/L.Triethylamine waste water after coagulating treatment enters embodiment 3 by water inlet 15 Multistage out-phase three-dimensional electrochemical reaction unit, water outlet from delivery port 16 flow out reaction unit.Continuous flow, during hydraulic retention Between 200min, voltage strength 0.8V/cm, it is continuous run 15d after, effluent index is:CODcr 8863 mg/L, BOD1265 mg/ L, triethylamine 6402 mg/L, Cl-3934mg/L, COD clearance 81%, triethylamine clearance 77%, Cl-Clearance 73%, B/C by 0.012 improves to 0.14.Water outlet can enter follow-up biological treatment device and follow-up desalter after being adjusted load.
Embodiment 4
Refering to Fig. 4, the present embodiment is set to be sequentially connected in series four sections of reactors, and current are realized by overfall 2 between each section of reactor UNICOM.Every section of reactor is divided into two isometric reative cells 4 by central dividing plate 3, passes through reative cell between reative cell 4 4 lower end gas distribution deslagging chamber 5 are connected, and gas distribution deslagging chamber 5 is designed as rectangular parallelepiped structure.Each two pieces of reative cell setting is vertical parallel The battery lead plate 6 of arrangement, battery lead plate 6 are connected in parallel external power supply 7.Reactor anode electrode plate uses stainless steel, and negative electrode is not using Become rusty steel electrode.Granule electrode 8 is placed using the base activated charcoal particulate load Cu oxides of particle h and ferriferous oxide, granule electrode 8 In on the porous sieve plate 10 that the bottom of reative cell 4 is set.Aeration board 11 is set in gas distribution deslagging chamber 5, connected by gas pipeline 12 External ozone generator 13, compression ozone is provided into reactor.Reactor lower end sets evacuation port 14, for the clear of body refuse The emptying of reason and sewage.Reaction unit front end sets water inlet 15, and rear end sets delivery port 16.The present embodiment course of work is the same as real Apply example 1.
By taking the processing of Shandong wastewater of caprolactam production as an example, the water quality index after coagulating treatment is:CODcr 8560mg/L, BOD 220 mg/L, Cl-7849 mg/L, NH3-N 7957 mg/L.Waste water after coagulating treatment is by intaking Mouth 15 enters the multistage out-phase three-dimensional electrochemical reaction unit of embodiment 4, and water outlet flows out reaction unit from delivery port 16.Continuously enter Water outlet, hydraulic detention time 240min, voltage strength 0.33V/cm, after continuously running 10d, effluent index is:CODcr 1504 Mg/L, BOD 431 mg/L, Cl-863 mg/L, NH3-N 130 mg/L。BOD5/ COD is improved to 0.29 by 0.03, biochemical Property significantly improves.Water outlet can adjust load and enter follow-up biological treatment device and follow-up desalter.
Described above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned reality Apply example.Every technical scheme belonged under thinking of the present invention belongs to protection scope of the present invention.It is noted that for this technology For the those of ordinary skill in field, the improvements and modifications under the precursor for not departing from the principle of the invention, these improvements and modifications Also it should be regarded as protection scope of the present invention.

Claims (9)

1. a kind of multistage out-phase three-dimensional electrochemical reaction unit for waste water treatment, it is characterised in that the device includes:Body (1), external power supply(7)And external gas generator(13), the body(1)Front end sets water inlet(15), end is set out The mouth of a river(16), at least provided with second stage reactor in it, each section of reactor is in series and passes through overfall(2)Realize adjacent section reactor Between aqueous phase UNICOM, wherein:
Every section of reactor is by central dividing plate(3)It is divided at least two reative cells(4), and the gas distribution deslagging chamber for passing through lower end(5) Realize the UNICOM of reacting chamber space aqueous phase;Each reative cell(4)At least provided with the battery lead plate of two pieces of vertical parallel arrangements(6), it is each anti- Answer room(4)Battery lead plate positive pole and negative pole are arranged alternately, and are connected in parallel external power supply(7);Battery lead plate(6)Between particle filled composite electrode (8), granule electrode(8)It is placed in the basket with sieve aperture(9)In or be stacked in reative cell(4)The orifice plate of bottom(10)On;Gas distribution is arranged Grit chamber(5)It is interior to be provided with aeration board, pipe or disk(11), pass through gas pipeline(12)Connect external gas generator(13), every section anti- Device lower end is answered to be provided with evacuation port(14).
2. multistage out-phase three-dimensional electrochemical reaction unit according to claim 1, it is characterised in that the gas distribution deslagging chamber (5)For reverse taper or cuboid structure.
3. multistage out-phase three-dimensional electrochemical reaction unit according to claim 1, it is characterised in that the battery lead plate(6) For boron-doped diamond film pole plate(BDD), titanium-based transition metal oxide coated electrode(DSA), stainless steel polar plate, graphite electrode plate Or one kind in alloy pole plate.
4. multistage out-phase three-dimensional electrochemical reaction unit according to claim 1, it is characterised in that the external power supply (7)One or several is arranged to, one or several sections reactors of every section of reactor setting share one.
5. multistage out-phase three-dimensional electrochemical reaction unit according to claim 1, it is characterised in that the granule electrode (8)Using particle as matrix, catalyst is loaded with thereon.
6. multistage out-phase three-dimensional electrochemical reaction unit according to claim 5, it is characterised in that the granule electrode (8)Matrix be granular activated carbon, alundum (Al2O3) particle or zeolite granular, be used alone or two kinds or several mixing make With;Catalyst is the one or several kinds of mixing of titanium dioxide, metal or transition metal oxide.
7. multistage out-phase three-dimensional electrochemical reaction unit according to claim 1, it is characterised in that the filler basket(9) Horizontally or vertically concatenated to be several.
8. multistage out-phase three-dimensional electrochemical reaction unit according to claim 1, it is characterised in that the external gas hair Raw device(13)For air compressor or ozone generator.
9. multistage out-phase three-dimensional electrochemical reaction unit according to claim 1, it is characterised in that the evacuation port(14) For the cleaning of body refuse and the emptying of sewage.
CN201710846679.XA 2017-09-19 2017-09-19 A kind of multistage out-phase three-dimensional electrochemical reaction unit for waste water treatment Pending CN107522267A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108502988A (en) * 2018-04-24 2018-09-07 浙江奇彩环境科技股份有限公司 A kind of electrolytic method for improving treatment of Organic Wastewater effect
CN109650496A (en) * 2019-01-28 2019-04-19 江苏融汇环境工程有限公司 The method of electrocatalytic oxidation processing rubber and plastic waste water
CN110627267A (en) * 2019-09-24 2019-12-31 利民化学有限责任公司 System and method for degrading biotoxicity in wastewater
CN112723657A (en) * 2020-12-11 2021-04-30 湖南军信环保股份有限公司 Device and method for treating aged landfill leachate and membrane filtration concentrated solution thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108502988A (en) * 2018-04-24 2018-09-07 浙江奇彩环境科技股份有限公司 A kind of electrolytic method for improving treatment of Organic Wastewater effect
CN109650496A (en) * 2019-01-28 2019-04-19 江苏融汇环境工程有限公司 The method of electrocatalytic oxidation processing rubber and plastic waste water
CN110627267A (en) * 2019-09-24 2019-12-31 利民化学有限责任公司 System and method for degrading biotoxicity in wastewater
CN112723657A (en) * 2020-12-11 2021-04-30 湖南军信环保股份有限公司 Device and method for treating aged landfill leachate and membrane filtration concentrated solution thereof

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