CN111392949A - Dinitrodiphenyl ether wastewater treatment device and treatment process thereof - Google Patents
Dinitrodiphenyl ether wastewater treatment device and treatment process thereof Download PDFInfo
- Publication number
- CN111392949A CN111392949A CN202010341923.9A CN202010341923A CN111392949A CN 111392949 A CN111392949 A CN 111392949A CN 202010341923 A CN202010341923 A CN 202010341923A CN 111392949 A CN111392949 A CN 111392949A
- Authority
- CN
- China
- Prior art keywords
- oxidation device
- electrocatalytic oxidation
- gas
- absorption tower
- tail gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1456—Removing acid components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- 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
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/048—Purification of waste water by evaporation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
-
- 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
- C02F2001/46133—Electrodes characterised by the material
- C02F2001/46138—Electrodes comprising a substrate and a coating
- C02F2001/46142—Catalytic coating
-
- 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
-
- 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
- C02F2101/34—Organic compounds containing oxygen
-
- 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
- C02F2101/38—Organic compounds containing nitrogen
-
- 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
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
-
- 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
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
- C02F2103/36—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/02—Odour removal or prevention of malodour
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Electrochemistry (AREA)
- Treating Waste Gases (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention relates to a dinitrodiphenyl ether wastewater treatment device which comprises a plurality of electrocatalytic oxidation devices, a gas-liquid separator, a tail gas absorption tower A and a tail gas absorption tower B, wherein each electrocatalytic oxidation device comprises an electrocatalytic oxidation device A, an electrocatalytic oxidation device B and an electrocatalytic oxidation device C, a water inlet of the electrocatalytic oxidation device A is connected with a circulating pump, a water outlet of the electrocatalytic oxidation device C is connected with a liquid inlet of the gas-liquid separator through a pipeline, a liquid outlet pipe is arranged below the gas-liquid separator, a wastewater outlet is arranged on one side of the gas-liquid separator and communicated with a collecting tank, a gas outlet of the gas-liquid separator is communicated with the tail gas absorption tower A, an air outlet of the tail gas absorption tower A is connected with an induced draft fan, and an outlet of the induced draft fan is communicated with the tail gas absorption tower B. The invention has the advantages that: greatly improves the space utilization rate, changes the horizontal space occupation of the traditional equipment into the longitudinal space occupation, and occupies small area.
Description
Technical Field
The invention relates to the field of dinitrodiphenyl ether wastewater treatment, in particular to a dinitrodiphenyl ether wastewater treatment device and a dinitrodiphenyl ether wastewater treatment process.
Background
Many kinds of pollutants are generated in industrial production, and the kinds and the concentrations of the pollutants generated in different industries are obviously different. The chemical treatment method is a wastewater treatment method for separating, removing or converting pollutants in a dissolved or colloidal state in wastewater into harmless substances through chemical reaction and mass transfer. In the chemical treatment method, the treatment units based on chemical reaction generated by adding medicaments are as follows: coagulation, neutralization, redox, etc.; the treatment units based on mass transfer have: extraction, steam stripping, air stripping, adsorption, ion exchange, electrodialysis, reverse osmosis and the like.
The traditional dinitrodiphenyl ether wastewater treatment process has the following defects:
1. the traditional oxidation process flow is difficult to remove pollutants such as COD, ammonia nitrogen and the like in the diphenyl ether wastewater with high efficiency;
2. the traditional oxidation process is difficult to effectively remove the wastewater at a high speed, so that the quality of subsequent evaporated salt is low.
Disclosure of Invention
The invention provides a dinitrodiphenyl ether wastewater treatment device and a dinitrodiphenyl ether wastewater treatment process for solving the technical problems.
In order to solve the technical problems, the technical scheme provided by the invention is as follows: a dinitrodiphenyl ether wastewater treatment device comprises a plurality of electrocatalytic oxidation devices, a gas-liquid separator, a tail gas absorption tower A and a tail gas absorption tower B, wherein each electrocatalytic oxidation device comprises an electrocatalytic oxidation device A, an electrocatalytic oxidation device B and an electrocatalytic oxidation device C, the electrocatalytic oxidation device A, the electrocatalytic oxidation device B and the electrocatalytic oxidation device C are respectively provided with an inlet at the lower part and an outlet at the upper part and are communicated with each other end to end in parallel, a water inlet of the electrocatalytic oxidation device A is connected with a circulating pump, a water outlet of the electrocatalytic oxidation device C is connected with a liquid inlet of the gas-liquid separator through a pipeline, a liquid outlet pipe is arranged below the gas-liquid separator and is communicated with the circulating pump, a wastewater outlet is arranged at one side of the gas-liquid separator and is communicated with a collecting tank, a gas outlet of the gas-liquid separator is communicated with the tail gas absorption tower A, and the air outlet of the tail gas absorption tower A is connected with an induced draft fan, and the outlet of the induced draft fan is communicated with the tail gas absorption tower B.
The electrocatalytic oxidation device A, the electrocatalytic oxidation device B and the electrocatalytic oxidation device C are vertical containers and adopt independent power supply systems.
The tail gas absorption tower A is used for alkali absorption, and the tail gas absorption tower B is used for water absorption.
A process for treating wastewater containing dinitrodiphenyl ether comprises the following steps:
the method comprises the following steps: wastewater enters a catalytic oxidation device through a circulating pump for electrolysis, the lower ends of the catalytic oxidation device A, the electrocatalytic oxidation device B and the electrocatalytic oxidation device C are respectively provided with a water inlet, the upper ends of the catalytic oxidation device A, the electrocatalytic oxidation device B and the electrocatalytic oxidation device C are respectively provided with a water outlet, and the three catalytic oxidation devices are communicated end to end in parallel;
step two: the waste water is decomposed into waste gas and waste water by catalytic oxidation and then enters a gas-liquid separator for gas-liquid separation;
step three: the waste gas enters the tail gas absorption tower A from the gas outlet of the liquid separator, and the waste liquid enters the catalytic oxidation device again through the circulating pump for secondary electrolysis;
step four: the waste gas is subjected to alkali absorption through a tail gas absorption tower A and water absorption through a tail gas absorption tower B, most of acid gas and soluble gas in the waste gas are removed, and finally the emptied tail gas is relatively environment-friendly;
step five: and after the waste liquid is electrolyzed again, the waste liquid enters a collecting tank from a waste water outlet of the gas-liquid separator, enters an evaporation unit for desalting after being decolored and organic matters are removed, and is finally discharged.
In the first step, the distance between the positive electrode and the negative electrode of the catalytic oxidation device A, the electrocatalytic oxidation device B and the electrocatalytic oxidation device C is controlled to be 0.5-1 cm.
The invention has the advantages that:
1. the space utilization rate is greatly improved, the transverse space occupation of the traditional equipment is changed into the longitudinal space occupation, and the occupied area is small;
2. the energy consumption is reduced, the distance between the polar plates is reduced to one tenth of the original distance, so that the electrolytic current is greatly reduced, and the overall energy consumption is reduced;
3. the hidden trouble of hydrogen explosion is eliminated, and the danger of hydrogen explosion caused by current in the electrolysis stage is reduced as all the gas in the electrolysis device is brought out to the gas-liquid separation device for reprocessing;
4. and a tail gas absorption device is added, so that the on-site peculiar smell is reduced.
Drawings
FIG. 1 is a schematic structural diagram of a dinitrodiphenyl ether wastewater treatment device and a treatment process thereof.
FIG. 2 is a process flow diagram of a dinitrodiphenyl ether wastewater treatment device and a treatment process thereof.
As shown in the figure: 1. electrocatalytic oxidation device, 2, a gas-liquid separator, 3, tail gas absorption towers A and 4, tail gas absorption towers B and 5, a circulating pump, 6, a liquid outlet pipe, 7, a waste water outlet, 8, a draught fan, 101, electrocatalytic oxidation devices A and 102, electrocatalytic oxidation devices B and 103 and an electrocatalytic oxidation device C.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, e.g. as a fixed connection, a detachable connection, or an integral connection; the specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
A dinitrodiphenyl ether wastewater treatment device comprises a plurality of electrocatalytic oxidation devices 1, a gas-liquid separator 2, a tail gas absorption tower A3 and a tail gas absorption tower B4, wherein each electrocatalytic oxidation device 1 comprises an electrocatalytic oxidation device A101, an electrocatalytic oxidation device B102 and an electrocatalytic oxidation device C103, the lower parts of the electrocatalytic oxidation device A101, the electrocatalytic oxidation device B102 and the electrocatalytic oxidation device C103 are respectively provided with an inlet, the upper parts of the electrocatalytic oxidation device B102 and the electrocatalytic oxidation device C103 are provided with outlets, the electrocatalytic oxidation device A101 and the electrocatalytic oxidation device C103 are communicated in a head-tail parallel manner, a water inlet of the electrocatalytic oxidation device A101 is connected with a circulating pump 5, a water outlet of the electrocatalytic oxidation device C103 is connected with a liquid inlet of the gas-liquid separator 2 through a pipeline, a liquid outlet pipe 6 is arranged below the gas-liquid separator 2, the liquid outlet pipe 6 is communicated with the circulating pump 5, one side of the, the gas outlet of the gas-liquid separator 2 is communicated with a tail gas absorption tower A3, the air outlet of the tail gas absorption tower A3 is connected with an induced draft fan 8, and the outlet of the induced draft fan 8 is communicated with a tail gas absorption tower B4.
The electrocatalytic oxidation device A101, the electrocatalytic oxidation device B102 and the electrocatalytic oxidation device C103 are vertical containers and adopt independent power supply systems.
The tail gas absorption tower A3 is used for alkali absorption, and the tail gas absorption tower B4 is used for water absorption.
A process for treating wastewater containing dinitrodiphenyl ether comprises the following steps:
the method comprises the following steps: wastewater enters a catalytic oxidation device through a circulating pump for electrolysis, the lower ends of the catalytic oxidation device A, the electrocatalytic oxidation device B and the electrocatalytic oxidation device C are respectively provided with a water inlet, the upper ends of the catalytic oxidation device A, the electrocatalytic oxidation device B and the electrocatalytic oxidation device C are respectively provided with a water outlet, and the three catalytic oxidation devices are communicated end to end in parallel;
step two: the waste water is decomposed into waste gas and waste water by catalytic oxidation and then enters a gas-liquid separator for gas-liquid separation;
step three: the waste gas enters the tail gas absorption tower A from the gas outlet of the liquid separator, and the waste liquid enters the catalytic oxidation device again through the circulating pump for secondary electrolysis;
step four: the waste gas is subjected to alkali absorption through a tail gas absorption tower A and water absorption through a tail gas absorption tower B, most of acid gas and soluble gas in the waste gas are removed, and finally the emptied tail gas is relatively environment-friendly;
step five: and after the waste liquid is electrolyzed again, the waste liquid enters a collecting tank from a waste water outlet of the gas-liquid separator, enters an evaporation unit for desalting after being decolored and organic matters are removed, and is finally discharged.
In the first step, the distance between the positive electrode and the negative electrode of the catalytic oxidation device A, the electrocatalytic oxidation device B and the electrocatalytic oxidation device C is controlled to be 0.5-1 cm.
The working principle of the invention is as follows: firstly, the waste water passes through an electrocatalytic oxidation device to catalytically oxidize and decompose organic matters into carbon dioxide, water and micromolecular organic matters, then the waste gas is treated by a tail gas absorption tower, the waste water enters an evaporation unit for desalting after being decolored and organic matters are removed, and finally the waste water is discharged after reaching the standard.
The electrocatalytic oxidation device is a vertical container, liquid moves from bottom to top, all air in the container is discharged, full-cavity operation is achieved, oxygen is isolated, hydrogen generated by electrolysis is prevented from exploding, and safe operation of the device is guaranteed;
waste gas and waste water generated by electrolysis in the electrocatalytic oxidation device pass through the gas-liquid separation device together, and the waste gas is discharged from the top of the gas-liquid separator and enters the tail gas absorption device; the waste liquid enters the electrocatalytic oxidation device again through the reflux device, so that the electrocatalytic oxidation efficiency is improved;
the tail gas from the gas-liquid separation device enters a tail gas absorption tower, most of acid gas and soluble gas in the tail gas are removed through alkali absorption and water absorption, and finally the emptied tail gas is relatively environment-friendly, so that bad smell in a plant area is reduced;
the distance between the positive electrode and the negative electrode of the electrocatalytic oxidation device can be controlled to be 0.5-1 cm, the current intensity of electrocatalytic oxidation is reduced, the efficiency of electrocatalytic oxidation is improved, and the energy consumption is reduced;
the electrocatalytic oxidation device is characterized in that a plurality of electrocatalytic oxidation tanks are connected in series, and the number of the electrocatalytic oxidation tanks can be adjusted at any time according to the amount of the treated liquid;
each electrocatalytic oxidation cell of the electrocatalytic oxidation device uses an independent set of power supply system, so that the power of each power supply system can be reduced, and the equipment cost is reduced;
the intensity of the electrolytic current between every two electrocatalytic oxidation cells of the electrocatalytic oxidation device can be the same, and can also be gradually increased one by one, so that the efficiency of the electrocatalytic oxidation of the wastewater can be improved.
And a reflux pump and an induced draft fan are added, and micro negative pressure is kept in the electrolytic cell through air draft and large-flow reflux so as to ensure that hydrogen generated by electrolysis can be completely pumped out and leaves from the top of the gas-liquid separator.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. A dinitrodiphenyl ether wastewater treatment device is characterized in that: it comprises a plurality of electrocatalytic oxidation devices (1), a gas-liquid separator (2), a tail gas absorption tower A (3) and a tail gas absorption tower B (4), wherein the electrocatalytic oxidation devices (1) comprise an electrocatalytic oxidation device A (101), an electrocatalytic oxidation device B (102) and an electrocatalytic oxidation device C (103), the electrocatalytic oxidation device A (101), the electrocatalytic oxidation device B (102) and the electrocatalytic oxidation device C (103) are respectively arranged below as an inlet, the upper part is an outlet, the heads and the tails of the electrocatalytic oxidation devices are communicated with each other in parallel, the water inlet of the electrocatalytic oxidation device A (101) is connected with a circulating pump (5), the water outlet of the electrocatalytic oxidation device C (103) is connected with a liquid inlet of the gas-liquid separator (2) through a pipeline, a liquid outlet pipe (6) is arranged below the gas-liquid separator (2), the circulating pump (5) is communicated with the circulating pump (6), one side of vapour and liquid separator (2) be equipped with waste water outlet (7), waste water outlet (7) intercommunication accumulator tank, the gas outlet intercommunication tail gas absorption tower A (3) of vapour and liquid separator (2), the air outlet of tail gas absorption tower A (3) connect draught fan (8), the export intercommunication tail gas absorption tower B (4) of draught fan (8).
2. The dinitrodiphenyl ether wastewater treatment plant according to claim 1, wherein: the electrocatalytic oxidation device A (101), the electrocatalytic oxidation device B (102) and the electrocatalytic oxidation device C (103) are vertical containers and adopt independent power supply systems.
3. The dinitrodiphenyl ether wastewater treatment plant according to claim 1, wherein: the tail gas absorption tower A (3) is used for alkali absorption, and the tail gas absorption tower B (4) is used for water absorption.
4. A dinitrodiphenyl ether wastewater treatment process is characterized by comprising the following steps: the method comprises the following steps:
the method comprises the following steps: wastewater enters a catalytic oxidation device through a circulating pump for electrolysis, the lower ends of the catalytic oxidation device A, the electrocatalytic oxidation device B and the electrocatalytic oxidation device C are respectively provided with a water inlet, the upper ends of the catalytic oxidation device A, the electrocatalytic oxidation device B and the electrocatalytic oxidation device C are respectively provided with a water outlet, and the three catalytic oxidation devices are communicated end to end in parallel;
step two: the waste water is decomposed into waste gas and waste water by catalytic oxidation and then enters a gas-liquid separator for gas-liquid separation;
step three: the waste gas enters the tail gas absorption tower A from the gas outlet of the liquid separator, and the waste liquid enters the catalytic oxidation device again through the circulating pump for secondary electrolysis;
step four: the waste gas is subjected to alkali absorption through a tail gas absorption tower A and water absorption through a tail gas absorption tower B, most of acid gas and soluble gas in the waste gas are removed, and finally the emptied tail gas is relatively environment-friendly;
step five: and after the waste liquid is electrolyzed again, the waste liquid enters a collecting tank from a waste water outlet of the gas-liquid separator, enters an evaporation unit for desalting after being decolored and organic matters are removed, and is finally discharged.
5. The dinitrodiphenyl ether wastewater treatment plant according to claim 4, wherein: in the first step, the distance between the positive electrode and the negative electrode of the catalytic oxidation device A, the electrocatalytic oxidation device B and the electrocatalytic oxidation device C is controlled to be 0.5-1 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010341923.9A CN111392949A (en) | 2020-04-27 | 2020-04-27 | Dinitrodiphenyl ether wastewater treatment device and treatment process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010341923.9A CN111392949A (en) | 2020-04-27 | 2020-04-27 | Dinitrodiphenyl ether wastewater treatment device and treatment process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111392949A true CN111392949A (en) | 2020-07-10 |
Family
ID=71426172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010341923.9A Pending CN111392949A (en) | 2020-04-27 | 2020-04-27 | Dinitrodiphenyl ether wastewater treatment device and treatment process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111392949A (en) |
-
2020
- 2020-04-27 CN CN202010341923.9A patent/CN111392949A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101016175B (en) | Method of eliminating magnesium sulfate from magnesium sulfate containing waste water solution | |
| CN101474527A (en) | Method for absorption treatment of noxious exhaust gas by electrochemistry method | |
| CN212403781U (en) | But resource recovery's desulfurization effluent disposal system | |
| CN106315947B (en) | Treatment system and treatment process for heavy metal-containing industrial sewage | |
| CN107298489A (en) | The method that high calcium high chloride ion coexists in electrochemical reactor and removal waste water | |
| CN212151749U (en) | High-efficient ozone catalytic oxidation processing apparatus of high salt waste water | |
| CN108314149B (en) | Method for integrating desulfurization wastewater electrolysis and product denitration | |
| CN113457451A (en) | Method for regenerating carbon capture absorbent morpholine by bipolar membrane electrodialysis | |
| CN212741037U (en) | Dinitrodiphenyl ether wastewater treatment device | |
| CN111392949A (en) | Dinitrodiphenyl ether wastewater treatment device and treatment process thereof | |
| CN216972179U (en) | High-precision treatment system for high-salt organic wastewater | |
| CN107758964B (en) | System for treating waste alkali liquid and treatment method thereof | |
| CN115974327A (en) | Nickel recovery system and process for nickel plating wastewater | |
| CN212894326U (en) | Wet oxidation reaction system for water treatment | |
| CN108452681A (en) | A kind of electrodialysis plant for Industrial Wastewater Treatment | |
| CN212269765U (en) | Concentrated decrement device of power plant's desulfurization waste water | |
| CN212334900U (en) | Zero-emission full-evaporation treatment device for landfill leachate | |
| CN211255526U (en) | Ammonia removal treatment system for ammonia nitrogen-containing wastewater | |
| CN104591351B (en) | A kind of electrolysis with ion-exchange film slot device of processing chemical production wastewater | |
| CN104370349B (en) | For purifying the device of the waste water and gas that contains low-concentration heavy metal ions | |
| CN111704291A (en) | Efficient treatment system and treatment process for benzofuranone wastewater | |
| CN216737904U (en) | High chlorine waste water electrochemistry dechlorination device | |
| CN110550788A (en) | Zero release water treatment facilities | |
| CN218665515U (en) | High concentration refractory organic waste water electrolytic oxidation preprocessing device | |
| CN218025746U (en) | Chemical wastewater treatment system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |