CN107200393A - A kind of advanced oxidation device for handling high concentration hard-degraded organic waste water - Google Patents
A kind of advanced oxidation device for handling high concentration hard-degraded organic waste water Download PDFInfo
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- CN107200393A CN107200393A CN201710455190.XA CN201710455190A CN107200393A CN 107200393 A CN107200393 A CN 107200393A CN 201710455190 A CN201710455190 A CN 201710455190A CN 107200393 A CN107200393 A CN 107200393A
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- waste water
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Classifications
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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
-
- 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
- C02F1/467—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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- 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
- C02F2101/32—Hydrocarbons, e.g. oil
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/02—Specific form of oxidant
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The present invention relates to a kind of advanced oxidation device for handling high concentration hard-degraded organic waste water, for three-dimensional electrochemical ozone reaction device, including ozone generator, the reactor being made up of active carbon filler and cathode-anode plate of two sections of connections, two reactor has waste water interior circulation by circulating pump connection, when reactor pole plate is passed through direct current, three-dimensional electrochemical ozone reaction is formed.Three-dimensional electrochemical acts synergistically with ozone reaction and generates the hydroxyl radical free radical of strong oxidizing property in the present invention, can be by long-chain organic matter degradations such as the ring class aromatic hydrocarbon of bio-refractory in organic matter into small-molecule substance, ozone and hydroxyl radical free radical can be by small organic molecule permineralizations simultaneously, make organic matter degradation into carbon dioxide and water, the time of processing is shorter, organic matter degradation efficiency high, energy utilization rate is higher.
Description
Technical field
The present invention relates to a kind of advanced oxidation reaction unit of water treatment field, and in particular to one kind processing high concentration hardly possible drop
Solve the advanced oxidation device of organic wastewater.
Background technology
High concentration hard-degraded organic waste water have poor biodegradability, complicated component, poisonous and harmful substance it is many, to ecological environment
Very harmful the features such as, traditional technique removal effect is not good.High-level oxidation technology has that processing speed is fast, degradation efficiency is high,
Applied widely the advantages of, be processing organic wastewater with difficult degradation thereby most one of method of application prospect.
Current advanced oxidation processes mainly have：Ozonation, its degraded to organic matter has obvious selectivity, centre production
Thing is more；Electrochemical treatment, by electric current and mass transfer and limit, processing cost is high；Photocatalytic oxidation, with quantum utilization rate it is low,
The shortcomings of energy consumption is greatly and catalyst needs reclaiming；Wet oxidation process is, it is necessary to which high-temperature high-pressure apparatus cost is high；Fenton reagent is high
Level oxidation technology, added amount of chemical is big, and the sludge of generation is more etc..
The content of the invention
The present invention provides a kind of advanced oxidation device for handling high concentration hard-degraded organic waste water, utilizes active carbon filler shape
Into Electrochemical Reactor with Three-dimensional Electrode method combination O3Degrading high concentration organic wastewater with difficult degradation thereby.Ozone is produced in the presence of electrochemistry
Strong oxidizing property free radical, the oxidation of organic compounds of no selection；Activated carbon plays the role of catalyst to ozone oxidation organic matter；Activated carbon
Three-diemsnional electrode is formed between battery lead plate, electrochemical efficiency is improved；Activated carbon, ozone and electrochemistry triple combination effect rise mutually
Shorter to the processing time of organic matter to facilitation, efficiency high, the good biodegradability of waste water is improved, oxidation of organic compounds
Selectivity is low；After activated carbon use time length, it is possible to achieve regenerating active carbon.
In order to solve the above technical problems, the technical scheme that the present invention is provided is：
A kind of advanced oxidation device for handling high concentration hard-degraded organic waste water, is three-dimensional electrochemical ozone reaction device,
Including ozone generator, the reactor being made up of active carbon filler and cathode-anode plate of two sections of connections, two reactor is by following
The connection of ring pump has waste water interior circulation, when reactor pole plate is passed through direct current, forms three-dimensional electrochemical ozone reaction；It is described anti-
Device is answered to be made up of two-stage reaction container；The reaction vessel includes active carbon filler, cathode-anode plate, aerator, and reaction is held
Device top and cover plate carry out sealing fixation by fixed screw and gasket seal；Carried out between the two reactor by circulating pump
Interior circulation is acted on；Dc source is connected respectively between pole plate on the two-stage reaction container, and two direct currents can be controlled respectively
Voltage of the source between pole plate；Between the two-stage reaction container, residual gas outlet is connected to 2# reaction appearances above 1# reaction vessels
The ozone not reacted completely in device aeration tube air inlet, 1# reaction vessels can continue to participate in reaction in 2# reactors.
The inventive system comprises ozone generator 1,1# reactors, 2# reactors, gas flowmeter 2, two-way direct current
Source circuit one and circuit two, circulating pump.The ozone generator connects gas flowmeter, gas flowmeter connection 1# reactor aerations
Interface tube；The first positive source in dc source circuit one connects the first anode plate of 1# reactors by the first electrical wire clip,
The first power cathode in dc source circuit one connects the first minus plate of 1# reactors by the second electrical wire clip；1# reactors
2# reactors are connected by pp pipelines, the outlet of 1# reactors residual gas connects the air inlet of 2# reactors by gas pipeline；
Second source positive pole in dc source circuit two connects the second plate plate in 2# reactors, direct current by the 3rd electrical wire clip
Second source negative pole in source circuit two connects the second minus plate in 2# reactors by the 4th electrical wire clip；Circulating pump passes through
Circulation fluid outlet in one loop hose connection 2# reactors, circulating pump connects following in 1# reactors by second circulation flexible pipe
Ring liquid import.
Described 1# reactors fix spiral shell by the first cuboid plexiglass box, the first cover plate, aeration tube import, first
Silk, the first gasket seal, water inlet valve, pp line strainers, first anode plate, the first minus plate, circulation fluid import, the first bottom
Portion's aeration head, the first active carbon filler, residual gas outlet composition.First cuboid plexiglass box and the first cover plate pass through
At least four first fixed screws and one enclose the first gasket seal to be tightly connected.First anode plate and the first minus plate upper end are solid
It is scheduled on the first cover plate while to ensure the sealing of connection.First bottom aeration head is fixed on the first cuboid lucite appearance
Device bottom, fixed position ensures that aeration is uniform between first anode plate and the first minus plate.Aeration tube import residual gas
Outlet is fixed on the first cover plate, and interface ensures sealing.
Described 2# reactors are by the second cuboid plexiglass box, the second cover plate, the second fixed screw, the second sealing
Pad, pressure gauge, air inlet, gas vent, flowing water Valve, second plate plate, the second minus plate, the second active carbon filler, second
Bottom aeration head, circulation fluid outlet composition.Pass through at least four between second cuboid plexiglass box and the second cover plate
Two fixed screws and circle the second gasket seal sealing are fixed.Second bottom aeration head is fixed on the second cuboid lucite appearance
Device bottom, fixed position ensures that aeration is uniform between second plate plate and the second minus plate.Pressure gauge, air inlet and deflation
Mouth is fixed on above the second cover plate, and interface ensures sealing.
The present invention uses active carbon filler in the middle of minus plate and positive plate, and bottom aeration is passed through ozone, applied on pole plate
Plus direct current, three-dimensional electrochemical and the hydroxyl radical free radical of ozone reaction synergy generation strong oxidizing property, can be by organic matter
The long-chain organic matter degradations such as the ring class aromatic hydrocarbon of bio-refractory are into small-molecule substance, while ozone and hydroxyl radical free radical can be by
Small organic molecule permineralization, makes organic matter degradation into carbon dioxide and water, the time of processing is shorter, organic matter degradation efficiency
Height, energy utilization rate is higher.
The beneficial effects of the invention are as follows：
A) present invention is directed to the high treating effect of high-concentration hardly-degradable organic matter, and processing time is short, by generation strong oxidizing property
Hydroxyl radical free radical combination ozone and electrochemical oxidation, the selectivity to organic matter is small.
B) two reactor of the invention is high to the utilization rate of ozone, it is to avoid ozone utilization rate is low, the ozone pair of afterbody
The harm of environment.
C) making of device of the invention requires low, and operating condition is simple, the operation easy to automate in water process
Management, practicality is high.
D) activated carbon in apparatus of the present invention can realize regeneration function, extend the usage cycles of activated carbon.
Brief description of the drawings
Fig. 1：The apparatus structure schematic diagram of the present invention.
In figure, 1- ozone generators, 2- gas flowmeters, 3- aeration interface tubes, the fixed screws of 4- first, 5- the
One gasket seal, 6- water inlet valves, 7-pp line strainers, 8- first anode plates, 9- circulation fluid imports, the bottoms of 10- first
Portion's aeration head, 11-pp pipelines, the minus plates of 12- first, the positive sources of 13- first, the power cathodes of 14- first, 15- second
Positive source, 16- second source negative poles, the electrical wire clips of 17- first, the electrical wire clips of 18- second, the outlet of 19- residual gases, 20-
Second bottom aeration head, 21- channel bends, 22- pressure gauges, 23- air inlets, the electrical wire clips of 24- the 3rd, the electric wires of 25- the 4th
Folder, 26- gas vents, 27- second plate plates, the active carbon fillers of 28- second, 29- outlet valves, 30- circulating pumps,
31- circulation fluids are exported, the minus plates of 32- second, 33- first circulation flexible pipes, 34- second circulation flexible pipes, the activity of 35- second
Carbon filling material, 36- the first cuboid plexiglass box, the cover plates of 37- first, 38- the second cuboid plexiglass box,
The cover plates of 39- second, the fixed screws of 40- second, the gasket seals of 41- second, the emptying tube valves of 42- first, 43- second is put
Blank pipe valve.
Embodiment
With reference to specific embodiment, the invention will be further described.
The first bottom aeration head 10 is first fixed on the first cuboid plexiglass box 36 in 1# reactors as shown in Figure 1
Bottom, adds the first active carbon filler 35 and arrives specified altitude assignment, the minus plate 12 of first anode plate 8 and first is inserted into the first activated carbon
In filler 35, add the first cover plate 37 on the minus plate 12 of first anode plate 8 and first terminate torch be connected on cover plate carry out it is close
Envelope processing, the first cover plate 37 is fixed on cuboid plexiglass box by four the first fixed screws 4 plus the first gasket seal 5
Top.
The second bottom aeration head 20 is fixed on the bottom of the second cuboid plexiglass box 38 in 2# reactors, the is added
Two active carbon fillers 28 are added to the top of container, insertion second plate plate 27 and the second minus plate 32 always, add the second cover plate
39, the top of 27 and second minus plate of second plate plate 32 is fixed on the second cover plate 39, pressure gauge 22 is fixed to the second cover plate
On 39, encapsulation process is carried out, the second cover plate 39 is fixed to the by four the second fixed screws 40 and the second gasket seal 41
The top of two cuboid plexiglass box 38.
Ozone generator 1 connects gas flowmeter 2 by tracheae, and gas flowmeter 2 connects 1# reactors by tracheae and is aerated
Interface tube 3；The first positive source 13 in dc source circuit one connects the first sun of 1# reactors by the first electrical wire clip 17
The first power cathode 14 in pole plate 8, dc source circuit one connects the first negative electrode of 1# reactors by the second electrical wire clip 18
Plate 12；1# reactors connect 2# reactors by pp pipelines 11, and 1# reactors residual gas outlet 19 is connected by gas pipeline 37
Connect the air inlet 23 of 2# reactors；Second source positive pole 15 in dc source circuit two is anti-by the 3rd electrical wire clip 24 connection 2#
The second source negative pole 16 in the second plate plate 27 in device, dc source circuit two is answered to connect 2# by the 4th electrical wire clip 25 anti-
Answer the second minus plate 32 in device；Circulating pump 30 connects the circulation fluid outlet 31 in 2# reactors by first circulation flexible pipe 33,
Circulating pump 30 connects the circulation fluid import 9 in 1# reactors by second circulation flexible pipe 34.
During long-time closed processes high concentration hard-degraded organic waste water, close first and be vented the emptying of the closing of tube valve 42 second
Tube valve 43, waste water enters 1# reactors from water inlet valve 6,2# reactors is passed through by connecting tube 11, when two reactors
When middle liquid level reaches 29 height of outlet valve, valve 6 is closed, valve 29, the voltage of regulation dc source circuit one to finger is closed
Determine voltage, the voltage of regulation dc source circuit two to given voltage, open the circulation pump 30 opens ozone generator 1, passes through gas
Flowmeter 2 adjusts the air inflow of ozone.Wait after reaction time, reaction terminates, open first and be vented tube valve 42 and emptying the
The water outlet of one tube valve 43.
When gravity stream enters water process high concentration hard-degraded organic waste water, the residence time is determined according to the volume and flow of container
(processing time), close first and be vented the closing of tube valve 42 first emptying tube valve 43, the voltage of regulation dc source circuit one is arrived
Given voltage, the voltage of regulation dc source circuit two to given voltage, open the circulation pump 30 opens ozone generator 1, passes through gas
Flowmeter body 2 adjusts the air inflow of ozone.Waste water enters 1# reactors from water inlet valve 6, is passed through 2# by connecting tube 11 anti-
Device is answered, when liquid level reaches 29 height of outlet valve in two reactors, passes through the water outlet of outlet valve 29.
The regeneration of activated carbon, when for a long time in use, needing to carry out activated carbon regeneration treatment, closing first is vented pipe valve
Door 42 closes second and is vented tube valve 43, is passed through running water into 1# reactors from water inlet valve 6, is passed through by connecting tube 11
2# reactors, when liquid level reaches 29 height of outlet valve in two reactors, close valve 6, close valve 29, and regulation is straight
The voltage of power circuit one is flowed to given voltage, and the voltage of regulation dc source circuit two to given voltage, open the circulation pump 30 is opened
Ozone generator 1, the air inflow of ozone is adjusted by gas flowmeter 2.Certain reaction time is waited, after regenerative response terminates,
Open first and be vented the emptying water outlet of tube valve 43 of tube valve 42 and second.
It is described above, only it is presently preferred embodiments of the present invention, any formal limitation not is made to the present invention, it is any ripe
Professional and technical personnel is known, it is without departing from the scope of the present invention, real to more than according to the technical spirit of the present invention
Apply any simple modification, equivalent substitution that example made and improve etc., still fall within technical solution of the present invention protection domain it
It is interior.
Claims (9)
1. a kind of advanced oxidation device for handling high concentration hard-degraded organic waste water, it is characterised in that：For three-dimensional electrochemical ozone
Reaction unit, including ozone generator, the reactor being made up of active carbon filler and cathode-anode plate of two sections of connections, two-stage reaction
Device has waste water interior circulation by circulating pump connection, when reactor pole plate is passed through direct current, forms three-dimensional electrochemical ozone anti-
Should；The reactor is made up of two-stage reaction container；The reaction vessel includes active carbon filler, cathode-anode plate, aeration dress
Put, reaction vessel top and cover plate carry out sealing fixation by fixed screw and gasket seal；Pass through between the two reactor
Circulating pump carries out interior circulation effect；Dc source is connected respectively between pole plate on the two-stage reaction container, can be controlled respectively
Voltage of two dc sources between pole plate；Between the two-stage reaction container, residual gas outlet connection above 1# reaction vessels
The ozone not reacted completely in 2# reaction vessel aeration tube air inlets, 1# reaction vessels can continue to participate in 2# reactors
Reaction.
2. the advanced oxidation device of processing high concentration hard-degraded organic waste water according to claim 1, it is characterised in that：Bag
Include ozone generator, 1# reactors, 2# reactors, gas flowmeter, two-way dc source circuit one and circuit two, circulating pump；
The ozone generator connects gas flowmeter, gas flowmeter connection 1# reactor aeration interface tubes；In dc source circuit one
The first positive source the first anode plates of 1# reactors, the first electricity in dc source circuit one are connected by the first electrical wire clip
Source negative pole connects the first minus plate of 1# reactors by the second electrical wire clip；1# reactors connect 2# reactors by pp pipelines,
The outlet of 1# reactors residual gas connects the air inlet of 2# reactors by gas pipeline；The second electricity in dc source circuit two
Source positive pole connects the second source negative pole in the second plate plate in 2# reactors, dc source circuit two by the 3rd electrical wire clip
The second minus plate in 2# reactors is connected by the 4th electrical wire clip；Circulating pump is connected in 2# reactors by first circulation flexible pipe
Circulation fluid outlet, circulating pump pass through second circulation flexible pipe connect 1# reactors in circulation fluid import.
3. the advanced oxidation device of processing high concentration hard-degraded organic waste water according to claim 1, it is characterised in that：Institute
The 1# reactors stated are by the first cuboid plexiglass box, the first cover plate, aeration tube import, the first fixed screw, first close
Gasket, water inlet valve, pp line strainers, first anode plate, the first minus plate, circulation fluid import, the first bottom aeration head,
First active carbon filler, residual gas outlet composition.
4. the advanced oxidation device of processing high concentration hard-degraded organic waste water according to claim 3, it is characterised in that：Institute
State the first cuboid plexiglass box and the first cover plate and pass through at least four first fixed screws and first gasket seal of circle
To be tightly connected；First anode plate and the first minus plate upper end are fixed on the first cover plate while to ensure the sealing of connection.
5. the advanced oxidation device of processing high concentration hard-degraded organic waste water according to claim 3, it is characterised in that：Institute
State the first bottom aeration head and be fixed on the first cuboid plexiglass box bottom, fixed position ensures that aeration is uniform first
Between positive plate and the first minus plate；The outlet of aeration tube import residual gas is fixed on the first cover plate, and interface ensures sealing.
6. the advanced oxidation device of processing high concentration hard-degraded organic waste water according to claim 1, it is characterised in that：Institute
The 2# reactors stated are by the second cuboid plexiglass box, the second cover plate, the second fixed screw, the second gasket seal, pressure
Table, air inlet, gas vent, flowing water Valve, second plate plate, the second minus plate, the second active carbon filler, the second bottom aeration
Head, circulation fluid outlet composition.
7. the advanced oxidation device of processing high concentration hard-degraded organic waste water according to claim 6, it is characterised in that：Institute
State between the second cuboid plexiglass box and the second cover plate by least four the second fixed screws and second sealing of circle
Gasket seal is fixed.
8. the advanced oxidation device of processing high concentration hard-degraded organic waste water according to claim 6, it is characterised in that：Institute
State the second bottom aeration head and be fixed on the second cuboid plexiglass box bottom, fixed position ensures that aeration is uniform second
Between positive plate and the second minus plate.
9. the advanced oxidation device of processing high concentration hard-degraded organic waste water according to claim 6, it is characterised in that：Institute
State pressure gauge, air inlet and gas vent to be fixed on above the second cover plate, interface ensures sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710455190.XA CN107200393A (en) | 2017-06-16 | 2017-06-16 | A kind of advanced oxidation device for handling high concentration hard-degraded organic waste water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710455190.XA CN107200393A (en) | 2017-06-16 | 2017-06-16 | A kind of advanced oxidation device for handling high concentration hard-degraded organic waste water |
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| Publication Number | Publication Date |
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| CN107200393A true CN107200393A (en) | 2017-09-26 |
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| CN201710455190.XA Pending CN107200393A (en) | 2017-06-16 | 2017-06-16 | A kind of advanced oxidation device for handling high concentration hard-degraded organic waste water |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110961041A (en) * | 2018-09-29 | 2020-04-07 | 中国科学院宁波材料技术与工程研究所 | Continuous flow catalytic reactor, method of assembling same and use thereof |
| CN113173626A (en) * | 2021-04-21 | 2021-07-27 | 中国石油大学(华东) | Three-dimensional electrochemical-ozone-passing coupling treatment device and method for wastewater difficult to treat |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105253960A (en) * | 2015-11-23 | 2016-01-20 | 雅本化学股份有限公司 | Wastewater treatment device and method for treating wastewater by adopting wastewater treatment device |
| CN105800739A (en) * | 2016-05-27 | 2016-07-27 | 长沙华时捷环保科技发展股份有限公司 | 3D-EO three-dimensional peroxidation electrochemical device and application thereof |
-
2017
- 2017-06-16 CN CN201710455190.XA patent/CN107200393A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105253960A (en) * | 2015-11-23 | 2016-01-20 | 雅本化学股份有限公司 | Wastewater treatment device and method for treating wastewater by adopting wastewater treatment device |
| CN105800739A (en) * | 2016-05-27 | 2016-07-27 | 长沙华时捷环保科技发展股份有限公司 | 3D-EO three-dimensional peroxidation electrochemical device and application thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110961041A (en) * | 2018-09-29 | 2020-04-07 | 中国科学院宁波材料技术与工程研究所 | Continuous flow catalytic reactor, method of assembling same and use thereof |
| CN113173626A (en) * | 2021-04-21 | 2021-07-27 | 中国石油大学(华东) | Three-dimensional electrochemical-ozone-passing coupling treatment device and method for wastewater difficult to treat |
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Application publication date: 20170926 |
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