CN113336370A - Electrocatalysis degradation device for organic wastewater without electrolyte - Google Patents
Electrocatalysis degradation device for organic wastewater without electrolyte Download PDFInfo
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- CN113336370A CN113336370A CN202110601094.8A CN202110601094A CN113336370A CN 113336370 A CN113336370 A CN 113336370A CN 202110601094 A CN202110601094 A CN 202110601094A CN 113336370 A CN113336370 A CN 113336370A
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- 239000002351 wastewater Substances 0.000 title claims abstract description 35
- 239000003792 electrolyte Substances 0.000 title claims abstract description 30
- 230000015556 catabolic process Effects 0.000 title claims abstract description 16
- 238000006731 degradation reaction Methods 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 64
- 239000012528 membrane Substances 0.000 claims abstract description 37
- 239000003054 catalyst Substances 0.000 claims abstract description 31
- 239000000945 filler Substances 0.000 claims abstract description 15
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 14
- 238000006056 electrooxidation reaction Methods 0.000 claims abstract description 14
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 12
- 239000005416 organic matter Substances 0.000 claims abstract description 11
- 238000010612 desalination reaction Methods 0.000 claims description 11
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical group O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 claims description 6
- 229910000510 noble metal Inorganic materials 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- DALUDRGQOYMVLD-UHFFFAOYSA-N iron manganese Chemical compound [Mn].[Fe] DALUDRGQOYMVLD-UHFFFAOYSA-N 0.000 claims description 3
- 238000001728 nano-filtration Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 10
- 238000004064 recycling Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 238000004065 wastewater treatment Methods 0.000 description 4
- 238000004880 explosion Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- 238000010170 biological method Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910052741 iridium Inorganic materials 0.000 description 2
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 229910052707 ruthenium Inorganic materials 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 229910000616 Ferromanganese Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000011033 desalting Methods 0.000 description 1
- 239000010840 domestic wastewater Substances 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/442—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
-
- 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
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
-
- 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
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
-
- 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
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
- C02F1/4672—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
-
- 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
- C02F1/70—Treatment of water, waste water, or sewage by reduction
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
Abstract
The invention discloses an electro-catalytic degradation device for organic wastewater without electrolyte, which comprises an electro-oxidation reactor, a reducing agent dosing device and a membrane desalter, wherein the electro-oxidation reactor comprises: the device comprises a box body, a water inlet pipe at the lower end of the box body, a water outlet pipe at the upper end of the box body, a hydroxyl generator and a catalyst filler, wherein the catalyst filler is arranged in the hydroxyl generator, and a gas inlet pipe is arranged above the water outlet pipe; before organic matter wastewater enters the water inlet pipe, electrolyte is added, the reducing agent dosing device is arranged between the water outlet pipe and the membrane desalter and is respectively connected with the water inlet end of the water outlet pipe and the water inlet end of the membrane desalter, and the concentrated water output side of the membrane desalter is connected with the water inlet pipe through a pipeline. The invention realizes the recycling of electrolyte in the process of treating low-electrolyte or electrolyte-free wastewater, and adds a reducing agent to neutralize the oxidability of wastewater before water is fed into the membrane desalter, thereby protecting the membrane and prolonging the service life of the membrane.
Description
Technical Field
The invention relates to the technical field of wastewater treatment, in particular to an electro-catalytic degradation device for organic wastewater without electrolyte.
Background
The existing wastewater treatment methods mainly comprise three categories, namely physical, chemical and biological methods, wherein the physical method is suitable for treating the wastewater with simpler pollution components, has poor treatment effect and cannot reach the discharge standard; the biological method is a mainstream process for domestic wastewater treatment, but the method has large initial investment and high operation cost, and can still face the problem that the emission standard cannot be met; chemical methods have excellent treatment effects, but their development is often limited by their price and the corrosiveness and toxicity of the chemicals themselves. As a novel process, electrochemistry has the advantages of good treatment effect, strong adaptability, less waste residue generation and the like, and is widely researched and applied. However, the electrochemical treatment of wastewater at present has the problems of high operation power consumption, poor low power consumption treatment and the like, so that the process has certain difficulty in popularization, and particularly has great difficulty in the existing electrochemical treatment process when the organic wastewater contains low salt or does not contain salt.
Therefore, how to provide an electrocatalytic degradation device for organic wastewater without electrolyte is a problem that needs to be solved by those skilled in the art.
Disclosure of Invention
The invention provides an electrocatalytic degradation device for organic wastewater without electrolyte, and aims to solve the technical problems in the prior art to a certain extent.
In order to achieve the purpose, the invention adopts the following technical scheme:
an electro-catalytic degradation device for organic matter wastewater without electrolyte, comprising an electro-oxidation reactor, a reducing agent adding device and a membrane desalter, wherein the electro-oxidation reactor comprises: the catalyst filling material is arranged in the hydroxyl generator, and an air inlet pipe is arranged above the water outlet pipe; organic matter waste water gets into add the electrolyte before the inlet tube, reductant charge device sets up the outlet pipe with between the membrane desalination ware, and respectively with the outlet pipe reaches the end connection that intakes of membrane desalination ware, the dense water output side of membrane desalination ware pass through the pipeline with advance water piping connection.
According to the technical scheme, compared with the prior art, the soluble sulfate electrolyte is added into the wastewater aiming at the low-salt or salt-free organic wastewater, so that the electrooxidation efficiency of the electrooxidation reactor is improved, the organic wastewater is efficiently degraded, the content of H2 in the exhaust gas can be reduced (the hydrogen content is lower than the lower line value of the explosion limit) by externally connecting a fan or compressed air to the air inlet pipe, the explosion caused by overhigh concentration is prevented, the safety is improved, meanwhile, the cooling effect is realized on the incoming cable, and the accident caused by heating is avoided; qualified produced water is discharged outside by arranging the membrane desalter, and concentrated water containing electrolyte flows back to the water inlet, so that the electrolyte is recycled; the reducing agent is added before the water is fed into the membrane desalter to neutralize the oxidability of the wastewater, so that the membrane is protected, and the service life of the membrane is prolonged.
Furthermore, reductant charge device includes water tank, measuring pump and batch meter, the water tank with the outlet pipe intercommunication, the measuring pump pass through the pipeline respectively with water tank and batch meter are connected, the water tank with be provided with the high-pressure pump between the end of intaking of membrane desalter.
Furthermore, the upper end and the lower end in the box body are respectively provided with a water distributor connected with the water inlet pipe and the water outlet pipe, so that the problem of unqualified water outlet caused by uneven water distribution is solved.
Furthermore, the hydroxyl generator consists of a plurality of groups of electrode plates, each group of electrode plates comprises an anode plate and a cathode plate which are oppositely arranged, the anode plate is connected with the anode of the direct current power supply, and the cathode plate is connected with the cathode of the direct current power supply; the surface of the anode plate is coated with a noble metal catalyst, noble metals such as ruthenium, iridium, platinum and the like are adopted, the noble metal catalyst improves the efficiency of generating hydroxyl on the anode, and after electrification, hydroxyl oxidation organic matters are generated in the anode area and decomposed into carbon dioxide and water, so that the aim of reducing COD is fulfilled; catalyst filler is filled between the cathode plate and the anode plate, the catalyst filler is loose porous structure particles, and a catalyst is loaded in the catalyst filler. The double-catalyst synergistic effect is adopted, so that the electrooxidation efficiency of the electrooxidation reactor is improved, the high-salt and high-organic-matter wastewater is degraded, the wastewater treatment efficiency is improved, and the energy consumption is reduced.
Furthermore, a plurality of groups of cathode plates are connected with the anode plates in parallel, and the plate spacing between the anode plates and the cathode plates is equal.
Furthermore, the catalyst adopts manganese dioxide, manganese iron and copper, and is determined according to different water qualities.
Further, the membrane desalter adopts a high desalting nanofiltration membrane.
Furthermore, the bottom of the box body is provided with a discharge valve, so that the catalyst is convenient to discharge when the catalyst filler is replaced, or the discharge valve is used for emptying wastewater in the reactor box body.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic view of the structure of the present invention.
Wherein:
1-a membrane desalter; 2-water inlet pipe; 3-water outlet pipe; 4, an air inlet pipe; 5-a water tank; 6-a metering box; 7-a high pressure pump; 8-a water distributor; 9- -an anode plate; 10-a cathode plate; 11-a discharge valve; 12-catalyst packing.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The embodiment of the invention discloses an electro-catalytic degradation device for organic wastewater without electrolyte, which comprises an electro-oxidation reactor, a reducing agent dosing device and a membrane desalter 1, wherein the membrane desalter 1 adopts a high-desalination nanofiltration membrane, and the electro-oxidation reactor comprises: the device comprises a box body, a water inlet pipe 2 at the lower end of the box body, a water outlet pipe 3 at the upper end of the box body, a hydroxyl generator and a catalyst filler 12, wherein the catalyst filler 12 is arranged in the hydroxyl generator, an air inlet pipe 4 is arranged above the water outlet pipe 3 and externally connected with a fan or compressed air, and H in exhaust gas can be reduced through the air inlet pipe2Preventing explosion caused by over-high concentration in case of electric shock, and increasingThe safety is realized, meanwhile, the cooling effect is realized on the incoming cable, and accidents caused by heating are avoided; the organic matter waste water adds soluble sulfate as electrolyte before entering into inlet tube 2, and reducing agent charge device sets up between outlet pipe 3 and membrane desalination ware 1 to be connected with the inlet end of outlet pipe 3 and membrane desalination ware 1 respectively, the dense water output side of membrane desalination ware 1 passes through the pipeline and is connected with inlet tube 2.
In order to further optimize the technical scheme, the electrolyte is directly added into a container for containing the organic waste water according to 5000-10000 mg/L, for example, the effective volume of the container is 1000L, and 5000-10000 g of sodium sulfate is required to be added.
Specifically, reductant charge device includes water tank 5, measuring pump and batch meter 6, and water tank 5 and outlet pipe 3 intercommunication, the measuring pump pass through the pipeline and are connected with water tank 5 and batch meter 6 respectively, are provided with high-pressure pump 7 between the water tank 5 and the end of intaking of membrane desalter 1.
Advantageously, the upper end and the lower end in the box body are respectively provided with a water distributor 8 connected with the water inlet pipe 2 and the water outlet pipe 3, so that the problem of unqualified water outlet caused by uneven water distribution is solved.
In the embodiment, the hydroxyl generator consists of a plurality of groups of electrode plates, each group of electrode plates comprises an anode plate 9 and a cathode plate 10 which are oppositely arranged, the anode plate 9 is connected with the positive pole of a direct current power supply, and the cathode plate 10 is connected with the negative pole of the direct current power supply; the surface of the anode plate 9 is coated with a noble metal catalyst which adopts noble metals such as ruthenium, iridium, platinum and the like; catalyst filler 12 is filled between the cathode plate 10 and the anode plate 9, the catalyst filler 12 is loose porous structure particles, and a catalyst is loaded in the catalyst filler, and the catalyst adopts manganese dioxide, ferromanganese and copper.
In order to further optimize the scheme, a plurality of groups of cathode plates 10 and anode plates 9 are connected in parallel and are distributed in sequence, and the plate spacing between the anode plates 9 and the cathode plates 10 is equal.
In order to further optimize the technical scheme, the bottom of the box body is provided with a discharge valve 11, so that the catalyst is convenient to discharge when the catalyst is replaced, or the reactor is used for emptying wastewater in the box body of the reactor.
In the process of treating low-electrolyte or salt-free wastewater, the electrolyte is added into the wastewater to improve the electrooxidation efficiency of the electrooxidation reactor, qualified produced water is discharged outside by arranging the membrane desalter, concentrated water containing the electrolyte flows back to the water inlet to recycle the electrolyte, and a reducing agent is added before the water enters the membrane desalter to neutralize the oxidability of the wastewater, so that the membrane is protected, and the service life of the membrane is prolonged.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. An electro-catalytic degradation device for organic matter wastewater without electrolyte, which is characterized by comprising an electro-oxidation reactor, a reducing agent adding device and a membrane desalter (1), wherein the electro-oxidation reactor comprises: the device comprises a box body, a water inlet pipe (2) at the lower end of the box body, a water outlet pipe (3) at the upper end of the box body, a hydroxyl generator and a catalyst filler (12), wherein the catalyst filler (12) is arranged in the hydroxyl generator, and an air inlet pipe (4) is arranged above the water outlet pipe (3); organic matter waste water gets into add the electrolyte before inlet tube (2), the reductant charge device sets up outlet pipe (3) with between membrane desalination ware (1), and respectively with outlet pipe (3) reach the end connection of intaking of membrane desalination ware (1), the dense water output side of membrane desalination ware (1) pass through the pipeline with inlet tube (2) are connected.
2. The electro-catalytic degradation device for organic matter wastewater without electrolyte according to claim 1, wherein the reducing agent dosing device comprises a water tank, a metering pump and a metering tank (6), the water tank (5) is communicated with the water outlet pipe (3), the metering pump is respectively connected with the water tank (5) and the metering tank (6) through pipelines, and a high-pressure pump (7) is arranged between the water tank (5) and the water inlet end of the membrane desalter (1).
3. The electrocatalytic degradation device for organic wastewater without electrolyte according to claim 1, wherein water distributors (8) connected with the water inlet pipe (2) and the water outlet pipe (3) are respectively arranged at the upper end and the lower end in the tank body.
4. The device for the electro-catalytic degradation of organic matter wastewater without electrolyte according to claim 1, wherein the hydroxyl generator is composed of a plurality of sets of electrode plates, each set of electrode plates comprises an anode plate (9) and a cathode plate (10) which are oppositely arranged, the anode plate (9) is connected with a positive pole of a direct current power supply, and the cathode plate (10) is connected with a negative pole of the direct current power supply; the surface of the anode plate (9) is coated with a noble metal catalyst, a catalyst filler (12) is filled between the cathode plate (10) and the anode plate (9), and the catalyst filler (12) is loose porous structure particles and internally loaded with a catalyst.
5. An electrocatalytic degradation device for organic matter wastewater without electrolyte according to claim 4, wherein a plurality of sets of said cathode plates (10) are connected in parallel with said anode plates (9), and the plate spacing between said anode plates (9) and said cathode plates (10) is equal.
6. The device for the electro-catalytic degradation of organic wastewater without electrolyte according to claim 4, wherein the catalyst is manganese dioxide, manganese iron and copper.
7. The device for electrocatalytic degradation of organic matter wastewater without electrolyte according to claim 1, wherein the membrane desalter (1) employs nanofiltration membrane for high desalination.
8. An apparatus for electro-catalytic degradation of organic wastewater without electrolyte according to claim 4, wherein a discharge valve (11) is provided at the bottom of the tank.
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| CN202110601094.8A CN113336370A (en) | 2021-05-31 | 2021-05-31 | Electrocatalysis degradation device for organic wastewater without electrolyte |
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2021
- 2021-05-31 CN CN202110601094.8A patent/CN113336370A/en active Pending
Patent Citations (6)
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| JP5147681B2 (en) * | 2006-03-01 | 2013-02-20 | 三菱電機株式会社 | Toxic gas treatment device and water treatment device |
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