CN108083391A - It is in situ to produce the ozone-enhanced three-stage electro-chemical water processing equipment of oxygen system and processing water method - Google Patents
It is in situ to produce the ozone-enhanced three-stage electro-chemical water processing equipment of oxygen system and processing water method Download PDFInfo
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- CN108083391A CN108083391A CN201711391814.2A CN201711391814A CN108083391A CN 108083391 A CN108083391 A CN 108083391A CN 201711391814 A CN201711391814 A CN 201711391814A CN 108083391 A CN108083391 A CN 108083391A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/722—Oxidation by peroxides
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/78—Details relating to ozone treatment devices
- C02F2201/782—Ozone generators
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- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
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- Chemical Kinetics & Catalysis (AREA)
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- General Chemical & Material Sciences (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The present invention provides a kind of production ozone-enhanced three-stage electro-chemical water processing equipment of oxygen system in situ, including water feed apparatus, reaction unit, oxygen-storage cavity and anode, cathode and permeable trapping Catalytic Layer inside reaction unit；The inner space of reaction unit is divided into anode chamber, cathode chamber and cathode inlet room by the inner wall airtight connection of the cathode and permeable trapping Catalytic Layer with reaction unit, and anode is arranged in anode chamber, and oxygen-storage cavity is located at the top of anode chamber, and communicates therewith；The gas outlet of oxygen-storage cavity is connected by ozone generator with the air inlet of cathode inlet room, and the water outlet of water feed apparatus is connected with the water inlet of cathode chamber.The present invention also provides the methods using equipment processing water.The present invention passes through cleverly reaction unit structure design and technical thinking, both source of the gas Oxygen anodic evolution by-product utilized prepared into ozone, operating cost is saved, further through the improvement of gas distribution mode and reactive flowfield, reduces the generation of harmful side product and the pollution of ozone tail gas.
Description
Technical field
The invention belongs to field of water treatment equipment, the ozone-enhanced three-stage electro-chemical water processing of production oxygen system more particularly in situ
Equipment and the method using its processing water.
Background technology
In recent years, environmental pollution getting worse, especially water pollution constitute a threat to ecological safety and human health.With
It the continuous revision of water standard, improve, traditional technology and equipment cannot meet water process demand, and exploitation is efficient, warp
Ji, environmental protection water treatment facilities and method day show urgent.
High-level oxidation technology is the research hotspot of current water treatment field, also there is preferable processing effect to used water difficult to degradate
Fruit.Electrochemistry/ozone coupling is a kind of novel advanced oxidation water technology, by electrochemical cathode to ozonated air
Reduction, can increment generation hydroxyl radical free radical, so as to improve treatment effeciency.Some current results of study show the technology have compared with
Good application prospect, but still there have some problems to have to be to be solved.One of main problem existing for the technique is the raising of efficiency.Although
The source of the gas that air can be prepared as ozone, but oxygen content is low, and ozone output is not high, causes treatment effect poor.When using pure
When oxygen is as source of the gas, the purchase and storage of oxygen add processing cost.On the other hand, during electrochemical electrolysis water, anode
Analysis oxygen can prepare generation oxygen in itself.However electrochemistry production oxygen is not efficiently used in current system.Also, at the same time
In the case of producing oxygen and production hydrogen, there are certain hydrogen explosion risks.The further optimization of reaction system is also electrochemistry/ozone
Coupling technique has a main problem to be solved.Ozonated air is low by porous aeration head aeration efficiency, remaining in tail gas
Ozone needs quenching to handle, and otherwise can pollute atmospheric environment.In traditional electrochemical reactor, reaction system mass transfer is slow, deposits
At dead angle, efficiency is low.Oxide reaction rate is low in reaction solution, and the reaction time is long, and required equipment volume is big, and such as contains in water outlet
There is higher residual oxide concentration to need further quenching.
The content of the invention
Goal of the invention：The object of the present invention is to provide a kind of efficient, economic, safe and environment-friendly electrochemistry/ozone couplings
The equipment of water process and the method that water process is carried out using the equipment.
Technical solution：The present invention provides a kind of production ozone-enhanced three-stage electro-chemical water processing equipment of oxygen system in situ, bags
Include water feed apparatus, reaction unit, oxygen-storage cavity and anode, cathode and permeable trapping Catalytic Layer inside reaction unit；Institute
The inner wall airtight connection of cathode and permeable trapping Catalytic Layer with reaction unit is stated, the inner space of reaction unit is divided into sun
Pole room, cathode chamber and cathode inlet room, anode are arranged in anode chamber, and oxygen-storage cavity is located at the top of anode chamber, and communicates therewith；Storage
The gas outlet of oxygen room is connected by ozone generator with the air inlet of cathode inlet room, the water outlet of water feed apparatus and cathode chamber
Water inlet is connected.
The permeable trapping Catalytic Layer is built-in with conductive porous carbon material or metal oxide materials, can adsorb pollutant,
And the degradation of contaminant such as catalysis ozone/hydrogen peroxide, and permeable trapping.
As improvement：
Power supply is further included, positive and negative anodes are connected respectively with anode and cathode, and cathode is gas-diffusion electrode, have water proof
Airing function, anode are set with cathode parallel.
Fluid flowmeter is also associated between the water feed apparatus and cathode chamber, the water inlet of cathode chamber is additionally provided with water distribution
Device；Gas flowmeter is also associated between the ozone generator and cathode inlet room.
Gas dry layer is additionally provided in the middle part of the oxygen-storage cavity, oxygen-storage cavity is divided into two parts space up and down, for doing
The dry oxygen being discharged into oxygen-storage cavity.
The oxygen-storage cavity is communicated therewith by being arranged on the No.1 air bleeding valve at the top of anode chamber, and the top of oxygen-storage cavity is also set
There are No. two air bleeding valves to be connected with ozone generator, No. three air bleeding valves are equipped at the top of cathode chamber.The air bleeding valve can be set as needed
It is set to ordinary vent valve or flow stabilizing valve.
It further includes arranged on the air pressure valve and No.1 gas check valve in cathode inlet ceiling portion and No. two gas check valves,
No.1 gas check valve is located among the gas outlet of oxygen-storage cavity and the air inlet of ozone generator, and No. two gas check valves are located at gas
Among the air inlet of pressure valve and ozone generator.
Further include the water inlet deflector for being capable of self-conductive inside the cathode chamber, be located at by water inlet, and with the moon
Pole is arranged in parallel, and enables to flow through cathode surface into water.
Ozone concentration monitor, No.1 baroceptor, No. two baroceptors, total oxide concentration monitor is further included to visit
The Automatic Control Unit of head, residual oxide concentration monitor probe and control all parts；
The ozone concentration monitor is arranged between ozone generator and cathode inlet room；The No.1 baroceptor is put
In oxygen-storage cavity's side wall；No. two baroceptors are placed in cathode inlet room side wall；The total oxide concentration monitor probe is put
In cathode chamber side wall or top；The residual oxide concentration monitor probe is placed in the water outlet of anode chamber lower part.The automatic control
Unit can receive the signal of institute's connecting components, then export control signal again, so as to control the water inlet of whole equipment, water outlet,
Metering, source current size, gas generate conveying etc..
The present invention also provides carry out water using the oxygen system ozone-enhanced three-stage electro-chemical water processing equipment in situ of producing
The method of processing, comprises the following steps：
(a) staying water is pumped by reaction unit by water feed apparatus, and anode and cathode is connected with power supply；
(b) oxygen that Anodic analysis oxygen generates in anode chamber is discharged into oxygen-storage cavity, then is delivered to ozone generator, generates
Ozonated air be passed through cathode inlet room after, enter cathode chamber through cathode, under electrochemical cathode reduction, ozonize gas
Body generates high activity hydroxyl radical free radical degradation of contaminant through chain reaction, realizes the reaction of first stage；
(c) water body through degradation treatment in cathode chamber flows through permeable trapping Catalytic Layer, and on the one hand permeable trapping Catalytic Layer will
Gas barrier in cathode chamber avoids it from flowing through anode chamber and enters ozone generator, eliminates potential risks；On the other hand, it is permeable
Residual oxide decomposes in trapping Catalytic Layer catalytic reaction liquid, and further degradation of contaminant realizes the reaction of second stage；
(d) reaction solution flows into anode chamber after permeable trapping Catalytic Layer, under the action of anodic oxidation, realizes to water body
Triphasic reaction, final outflow water is up to purified water.
Technique effect：The device structure letter of the ozone-enhanced three-stage electro-chemical water processing of production oxygen system in situ provided by the invention
List is compact, floor space is small, easy to use, of low cost, operational management is convenient, is cooperateed with using having between electrochemistry and ozone
Complementary characteristic, the oxygen for efficiently using Anodic side reaction generation prepares ozone, and passes through gas diffusion cathode and add
Ozonated air, by permeable trapping Catalytic Layer by reaction designing be three-stage reaction system, improve processing efficiency, economic ring
It protects.
Specifically, compared with prior art, the present invention having the advantages that：
First, Anodic analysis oxygen side reaction is utilized as that oxygen approach is prepared in situ, saves ozone and prepare energy consumption, nothing
Oxygen reserves are needed, have simplified equipment, improve processing efficiency.
2nd, by the use of gas diffusion cathode as distribution device, contact of the ozonated air with cathode had both been added, had been improved
Efficiency, and gas circuit can be cycled by setting, control and cut down ozone tail gas pollution, safety and environmental protection.
3rd, by setting permeable trapping Catalytic Layer between anode and cathode, it is three step reactions by reaction designing, promotes body
It is mass transfer, enables redox system fully degraded water pollutant, improves treatment effeciency.Meanwhile oxygen and hydrogen are divided
From eliminating potential hydrogen explosion hidden danger.
4th, using each sensor monitoring probe and Automatic Control Unit, it can be achieved that full-automatic, the intelligentized control method of processing procedure.
The production ozone-enhanced three-stage electrochemical water treating method of oxygen system in situ provided by the invention is simple for process, treatment effeciency
Height, can effectively, economic, environmental protection carry out water process.
Description of the drawings
Fig. 1 is the structure diagram of the production ozone-enhanced three-stage electro-chemical water processing equipment of oxygen system in situ of embodiment 1.
Fig. 2 is the structure diagram of the production ozone-enhanced three-stage electro-chemical water processing equipment of oxygen system in situ of embodiment 2.
Fig. 3 is the structure diagram of the production ozone-enhanced three-stage electro-chemical water processing equipment of oxygen system in situ of embodiment 3.
Specific embodiment
According to following embodiments, the present invention may be better understood.It is however, as it will be easily appreciated by one skilled in the art that real
It applies the described specific material proportion of example, process conditions and its result and is merely to illustrate the present invention, without that should will not limit
The present invention described in detail in claims processed.
Embodiment 1
A kind of production ozone-enhanced three-stage electro-chemical water processing equipment of oxygen system in situ, as shown in Figure 1, including water feed apparatus 1
(being intake pump in the present embodiment), reaction unit 3, oxygen-storage cavity 3-3 and anode 4,5 and of cathode inside reaction unit 3
Permeable trapping Catalytic Layer 6；The inner wall airtight connection of cathode 5 and permeable trapping Catalytic Layer 6 with reaction unit 3, by reaction unit 3
Inner space be divided into anode chamber 3-1, cathode chamber 3-2 and cathode inlet room 3-4, anode 4 is arranged in anode chamber 3-1, stores up oxygen
Room 3-3 is located at the top of anode chamber 3-1, and communicates therewith；The gas outlet of oxygen-storage cavity 3-3 by ozone generator 10 and cathode into
The air inlet of gas chamber 3-4 is connected, and the water outlet of water feed apparatus 1 is connected with the water inlet of cathode chamber 3-2.
In addition, further including power supply 11, positive and negative anodes are connected respectively with anode 4 and cathode 5, and cathode 5 is gas diffusion electricity
Pole, has water proof airing function, and anode 4 is arranged in parallel with cathode 5.
Fluid flowmeter 17 is also associated between water feed apparatus 1 and cathode chamber 3-2, the water inlet of cathode chamber 3-2 is additionally provided with
Water distributor 2；Gas flowmeter 18 is also associated between ozone generator 10 and cathode inlet room 3-4.
Gas dry layer 12 is additionally provided in the middle part of oxygen-storage cavity 3-3, oxygen-storage cavity 3-3 is divided into two parts space up and down, is used
In the dry oxygen being discharged into oxygen-storage cavity.
Oxygen-storage cavity 3-3 is communicated therewith by being arranged on the No.1 air bleeding valve 7 at the top of anode chamber 3-1, and the top of oxygen-storage cavity 3-3
Portion is additionally provided with No. two air bleeding valves 8 and is connected with ozone generator 10, and No. three air bleeding valves 9 are equipped at the top of cathode chamber 3-2.Air bleeding valve can root
According to needing to be arranged to ordinary vent valve or flow stabilizing valve.
In the embodiment of the present invention, water distributor 2 is porous water distributing plate, and anode 4 is platinum electrode, and cathode 5 is carbon nanotubes/PTFE
Electrode, permeable trapping Catalytic Layer 6 are activated carbon adsorption Catalytic Layer, and permeable trapping, power supply 11 is D.C. regulated power supply, and gas is done
Dry layer 12 is silica dehydrator layer.
Specific water treatment procedure is as follows：
Staying water is pumped into reaction unit 3 by raw water by intake pump 1, and anode 4 and cathode 5 are connected with power supply 11；
The oxygen that Anodic analysis oxygen generates in anode chamber 3-1 is discharged into oxygen-storage cavity 3-3 through No.1 air bleeding valve 7, then is delivered to ozone hair
Raw device 10, after the ozonated air of generation is passed through cathode inlet room 3-4, through cathode 5 into cathode chamber 3-2.In electrochemical cathode
Under reduction, ozonated air generates high activity hydroxyl radical free radical degradation of contaminant through chain reaction, realizes the first stage
Reaction；Water body through degradation treatment in cathode chamber 3-2 flows through permeable trapping Catalytic Layer 6, and on the one hand permeable trapping Catalytic Layer 6 is by the moon
Gas barrier in pole room 3-2 avoids it from flowing through anode chamber 3-1 and enters ozone generator 10, eliminates potential risks；The opposing party
Face, residual oxide decomposes in permeable 6 catalytic reaction liquid of trapping Catalytic Layer, and further degradation of contaminant realizes second stage
Reaction；Reaction solution flows into anode chamber 3-1 after permeable trapping Catalytic Layer 6, under the action of anodic oxidation, realizes to water body the 3rd
The reaction in stage, final outflow water is up to purified water.
Embodiment 2
The equipment of the ozone-enhanced three-stage electro-chemical water processing of production oxygen system in situ, is shown in Fig. 2, substantially the same manner as Example 1, no
It is only that with part：Further include the air pressure valve 13 being arranged at the top of the 3-4 of cathode inlet room and No.1 gas check valve 14 and No. two
Gas check valve 15.When charge flow rate, pressure are excessive, air pressure valve 13 is opened, and makes gas backstreaming in the 3-4 of cathode inlet room extremely
10 air inlet of ozone generator.In this way, on the one hand ensured that cathode 5 can efficiently complete still or microvesicle gas distribution and reaction,
Improve ozone utilization rate, abatement ozone tail gas pollution；On the other hand, the raising gas phase ozone that can be flowed back by gas circuit adds dense
Degree.No.1 gas check valve 14 is located among the gas outlet of oxygen-storage cavity 3-3 and the air inlet of ozone generator 10, prevents from air pressure
Valve 13 is back to the gas flow oxygen-storage cavity 3-3 of 10 air inlet of ozone generator；No. two gas check valves 15 are located at air pressure valve 13
Among the air inlet of ozone generator 10, prevent oxygen-storage cavity's 3-3 outlets flowed directly into without ozone generator 10 cathode into
Gas chamber 3-4.
In addition, further including the water inlet deflector 16 for being capable of self-conductive inside cathode chamber 3-2, water distributor 2 is placed in
Side, and be arranged in parallel with cathode 5, enable to flow through cathode surface into water.
Embodiment 3
The equipment of the ozone-enhanced three-stage electro-chemical water processing of production oxygen system in situ, is shown in Fig. 3, substantially the same manner as Example 2, no
It is only that with part：Further include ozone concentration monitor 19,20, No. two baroceptors 21 of No.1 baroceptor, total oxidation
Object concentration monitor probe 22, residual oxide concentration monitor probe 23 and the Automatic Control Unit 24 for controlling all parts；
Ozone concentration monitor 19 is arranged between ozone generator 10 and cathode inlet room 3-4, for monitoring the gas added
Phase ozone concentration；No.1 baroceptor 20 is placed in oxygen-storage cavity's 3-3 side walls, for monitoring air pressure in oxygen-storage cavity 3-3；No. two air pressures
Sensor 21 is placed in cathode inlet room 3-4 side walls, for monitoring air pressure in the 3-4 of cathode inlet room；Total oxide concentration monitor is visited
First 22 are placed in cathode chamber 3-2 side walls or top, for monitoring cathode chamber 3-2 inner oxide concentration；Residual oxide concentration monitor
Probe 23 is placed in the water outlet of anode chamber 3-1 lower parts, for monitoring residual oxide concentration in water outlet.Automatic Control Unit 24 can receive
The signal of institute's connecting components, then exports control signal again, so as to control the water inlet of whole equipment, water outlet, metering, power supply electricity
Flow size, gas generates conveying etc..
Waste water from dyestuff is handled, method and effect are shown in Table 1.
The equipment of the ozone-enhanced three-stage electro-chemical water processing of the production oxygen system in situ of table 1 carries out processing method and effect
Claims (10)
1. a kind of production ozone-enhanced three-stage electro-chemical water processing equipment of oxygen system in situ, which is characterized in that including water feed apparatus
(1), reaction unit (3), oxygen-storage cavity (3-3) and arranged on the internal anode (4) of reaction unit (3), cathode (5) and it is permeable every
Gas Catalytic Layer (6)；The inner wall airtight connection of the cathode (5) and permeable trapping Catalytic Layer (6) with reaction unit (3), will be anti-
The inner space of device (3) is answered to be divided into anode chamber (3-1), cathode chamber (3-2) and cathode inlet room (3-4), anode (4) to be arranged on
In anode chamber (3-1), oxygen-storage cavity (3-3) is located at the top of anode chamber (3-1), and communicates therewith；The gas outlet of oxygen-storage cavity (3-3)
It is connected by ozone generator (10) with the air inlet of cathode inlet room (3-4), the water outlet and cathode chamber of water feed apparatus (1)
The water inlet of (3-2) is connected.
2. the production ozone-enhanced three-stage electro-chemical water processing equipment of oxygen system in situ according to claim 1, which is characterized in that
The permeable trapping Catalytic Layer (6) is built-in with conductive porous carbon material or metal oxide materials, can adsorb pollutant, and be catalyzed
The degradation of contaminant such as ozone/hydrogen peroxide solution, and permeable trapping.
3. the production ozone-enhanced three-stage electro-chemical water processing equipment of oxygen system in situ according to claim 1, which is characterized in that
Power supply (11) is further included, positive and negative anodes are connected respectively with anode (4) and cathode (5), and cathode (5) is gas-diffusion electrode, is had
There is water proof airing function, anode (4) is arranged in parallel with cathode (5).
4. the production ozone-enhanced three-stage electro-chemical water processing equipment of oxygen system in situ according to claim 1, which is characterized in that
Fluid flowmeter (17) is also associated between the water feed apparatus (1) and cathode chamber (3-2), the water inlet of cathode chamber (3-2) is also
Equipped with water distributor (2)；Gas flowmeter (18) is also associated between the ozone generator (10) and cathode inlet room (3-4).
5. the production ozone-enhanced three-stage electro-chemical water processing equipment of oxygen system in situ according to claim 1, which is characterized in that
Gas dry layer (12) is additionally provided in the middle part of the oxygen-storage cavity (3-3), oxygen-storage cavity (3-3) is divided into two parts space up and down.
6. the production ozone-enhanced three-stage electro-chemical water processing equipment of oxygen system in situ according to claim 1, which is characterized in that
The oxygen-storage cavity (3-3) is communicated therewith by being arranged on the No.1 air bleeding valve (7) at the top of anode chamber (3-1), and oxygen-storage cavity (3-3)
Top be additionally provided with No. two air bleeding valves (8) and be connected with ozone generator (10), No. three air bleeding valves are equipped at the top of cathode chamber (3-2)
(9)。
7. the production ozone-enhanced three-stage electro-chemical water processing equipment of oxygen system in situ according to claim 1, which is characterized in that
It further includes the air pressure valve (13) at the top of cathode inlet room (3-4) and No.1 gas check valve (14) and No. two gases stops
Valve (15) is returned, No.1 gas check valve (14) is located in the gas outlet of oxygen-storage cavity (3-3) and the air inlet of ozone generator (10)
Between, No. two gas check valves (15) are located among the air inlet of air pressure valve (13) and ozone generator (10).
8. the production ozone-enhanced three-stage electro-chemical water processing equipment of oxygen system in situ according to claim 1, which is characterized in that
Further include arranged on the internal water inlet deflector (16) for being capable of self-conductive of cathode chamber (3-2), be located at by water inlet, and with the moon
Pole (5) is arranged in parallel.
9. the production ozone-enhanced three-stage electro-chemical water processing equipment of oxygen system in situ according to claim 1, which is characterized in that
Further include ozone concentration monitor (19), No.1 baroceptor (20), No. two baroceptors (21), total oxide concentration prison
Probing head (22), residual oxide concentration monitor probe (23) and the Automatic Control Unit (24) for controlling all parts；
The ozone concentration monitor (19) is arranged between ozone generator (10) and cathode inlet room (3-4)；The No.1 gas
Pressure sensor (20) is placed in oxygen-storage cavity (3-3) side wall；No. two baroceptors (21) are placed in cathode inlet room (3-4) side
Wall；The total oxide concentration monitor probe (22) is placed in cathode chamber (3-2) side wall or top；The residual oxide concentration prison
Probing head (23) is placed in the water outlet of anode chamber (3-1) lower part.
10. it is carried out using the ozone-enhanced three-stage electro-chemical water processing equipment of any one of the claim 1-9 production oxygen systems in situ
The method of water process, which is characterized in that comprise the following steps：
(a) staying water is pumped by reaction unit (3) by water feed apparatus (1), and by anode (4) and cathode (5) and power supply
It is connected；
(b) oxygen that anode chamber (3-1) interior Anodic analysis oxygen generates is discharged into oxygen-storage cavity (3-3), then is delivered to ozone
Device (10), after the ozonated air of generation is passed through cathode inlet room (3-4), through cathode (5) into cathode chamber (3-2), in electrification
It learns under cathodic reduction effect, ozonated air generates high activity hydroxyl radical free radical degradation of contaminant through chain reaction, realizes first
The reaction in stage；
(c) water body through cathode chamber (3-2) interior degradation treatment flows through permeable trapping Catalytic Layer (6), on the one hand permeable trapping catalysis
Cathode chamber (3-2) interior gas barrier is avoided it from flowing through anode chamber (3-1) into ozone generator, eliminates potential wind by layer (6)
Danger；On the other hand, residual oxide decomposes in permeable trapping Catalytic Layer (6) catalytic reaction liquid, further degradation of contaminant, realizes
The reaction of second stage；
(d) reaction solution flows into anode chamber (3-1) after permeable trapping Catalytic Layer (6), under the action of anodic oxidation, realizes to water
The reaction of body phase III, final outflow water is up to purified water.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711391814.2A CN108083391B (en) | 2017-12-21 | 2017-12-21 | Three-section type electrochemical water treatment equipment for strengthening ozone production by in-situ oxygen production and water treatment method |
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| CN201711391814.2A CN108083391B (en) | 2017-12-21 | 2017-12-21 | Three-section type electrochemical water treatment equipment for strengthening ozone production by in-situ oxygen production and water treatment method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110642340A (en) * | 2019-09-30 | 2020-01-03 | 河海大学 | Circulating flow type electric-assisted ozone water treatment equipment and method for treating water by using same |
| CN113968648A (en) * | 2021-11-11 | 2022-01-25 | 河海大学 | Ozone-enhanced electro-filtration water treatment system and water treatment method |
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