CN107512758A - A kind of water curtain type discharge plasma efficient process organic wastewater device - Google Patents
A kind of water curtain type discharge plasma efficient process organic wastewater device Download PDFInfo
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- CN107512758A CN107512758A CN201710786818.4A CN201710786818A CN107512758A CN 107512758 A CN107512758 A CN 107512758A CN 201710786818 A CN201710786818 A CN 201710786818A CN 107512758 A CN107512758 A CN 107512758A
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- medium tube
- tube
- overflow trough
- annular overflow
- water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 239000002351 wastewater Substances 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000003780 insertion Methods 0.000 claims abstract description 4
- 230000037431 insertion Effects 0.000 claims abstract description 4
- 238000005273 aeration Methods 0.000 claims description 22
- 239000007788 liquid Substances 0.000 claims description 15
- 239000004575 stone Substances 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 8
- 238000004064 recycling Methods 0.000 claims description 8
- 210000002421 cell wall Anatomy 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 238000009830 intercalation Methods 0.000 claims description 3
- 230000002687 intercalation Effects 0.000 claims description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 11
- 239000007789 gas Substances 0.000 description 11
- 239000010865 sewage Substances 0.000 description 11
- 238000012545 processing Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000003851 corona treatment Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- -1 hydroxyl radical free radical Chemical class 0.000 description 1
- 238000000752 ionisation method Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 239000012495 reaction gas Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
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
- C02F1/4608—Treatment of water, waste water, or sewage by electrochemical methods using electrical discharges
-
- 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
- C02F1/4606—Treatment of water, waste water, or sewage by electrochemical methods for producing oligodynamic substances to disinfect the water
-
- 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
- C02F2301/00—General aspects of water treatment
- C02F2301/02—Fluid flow conditions
- C02F2301/024—Turbulent
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
- C02F2301/046—Recirculation with an external loop
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General 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)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The present invention discloses a kind of water curtain type discharge plasma efficient process organic wastewater device, the device includes the high-field electrode and grounding electrode and the outer medium tube being set-located and interior medium tube for connecting plasma power supply both positive and negative polarity respectively, is cascade region of discharge between described outer medium tube and interior medium tube；The outer wall of the outer medium tube is provided with annular overflow trough, the external groove sidevall of the annular overflow trough is higher than the tube wall of the outer medium tube, described grounding electrode is located in described annular overflow trough, in the described interior medium tube of described high-field electrode insertion, the lower end closed of the interior medium tube, the lower end connection lower header of the outer medium tube, the upper end closed of the annular overflow trough and is provided with air inlet pipe.The device takes full advantage of ozone caused by discharge plasma, in water treatment field, has the advantages that efficient stable performance, non-secondary pollution, speed are fast, simple in construction, practical, has preferable application prospect.
Description
Technical field
The present invention relates to the sewage-treatment plant in field of Environment Protection, belongs to the applied technical field of low temperature plasma, has
Body is related to a kind of water curtain type discharge plasma efficient process organic wastewater device.
Background technology
With rapid development of economy and the acceleration of urbanization process, the water environment pollution problem that China is on the rise is increasingly
Highlight so that the shortage of water resources situation that we face becomes more acute.Therefore, it is necessary to which efficient sewage disposal technology delays
Solve this problem.
Plasma sewage treating apparatus is the device of a kind of emerging sanitary sewage disposal and disinfection technology, passes through high energy
The plasma electric of amount is struck waters body, makes to produce substantial amounts of Strong oxdiative particulate in water body, such as hydroxyl radical free radical can be to having in water
Machine thing carries out advanced oxidation reaction, and plus other active oxidation materials, organic matter that can be in more rapid decomposition water has more
Strong antibacterial, disinfective action.
But all there is complicated, treatment effect is low etc. in corona treatment sewage device on the market.Therefore,
The present invention devises a kind of water curtain type discharge plasma efficient process organic wastewater device, and sewage is flowed into a manner of wall stream
Ion range, increase the contact area of sewage and plasma, so as to reach the purpose for improving treatment effeciency, this is for plasma
Application of the body in terms of sewage disposal has very big practical significance.
The content of the invention
It is an object of the present invention to the problem of existing for prior art, there is provided a kind of water curtain type discharge plasma is high
Earthing pole is placed in the overflow launder for filling waste water by effect processing organic wastewater device, the device, is given up so that energy is conductive in groove
Water turns into earthing pole.Because ionization process can produce substantial amounts of heat, tank is coated on outside region of discharge, can play the work of cooling
With.The device, using gas-recycling plant, the gas of region of discharge is introduced into water, fully on the basis of liquid-vapor interface electric discharge
Utilize O caused by discharge process3, the treatment effeciency of discharge plasma is improved, while reduce O3Secondary pollution.The device uses
Double-dielectric barrier discharge, liquid uniform flow in the form of cascade, there is stable performance, effect is good, runs the advantages that simple, has
Good application prospect.
The purpose of the present invention is achieved through the following technical solutions：
A kind of water curtain type discharge plasma efficient process organic wastewater device, the device include connecting plasma electric respectively
The high-field electrode and grounding electrode of source both positive and negative polarity and the outer medium tube being set-located and interior medium tube, described outer medium tube
It is cascade region of discharge between interior medium tube；The outer wall of the outer medium tube is provided with annular overflow trough, the annular overflow trough
External groove sidevall be higher than the tube wall of the outer medium tube, described grounding electrode is located in described annular overflow trough, described height
In the extremely embedded described interior medium tube of piezoelectricity, the lower end closed of the interior medium tube, the lower water of lower end connection of the outer medium tube
Case, the upper end closed of the annular overflow trough and is provided with air inlet pipe.
As a kind of optimal technical scheme, the bottom land of the annular overflow trough is provided with aeration stone, the connection of described aeration stone
One end of aeration tube, the other end of the aeration tube are arranged in described cascade region of discharge.
It is further preferred that the bottom of the lower header is communicated with recycling effluent pipe, top is communicated with exhaust tube；The ring
Water inlet pipe is communicated with the cell wall of shape overflow launder bottom, described recycling effluent pipe connects described water inlet by liquid circulation pump
Pipe forms liquid circulation channel, and described exhaust tube connects described air inlet pipe formation gas circulation by gas circulator and led to
Road.
Preferably, filter screen is provided with the notch of the annular overflow trough.
The outlet pipe waste water up to standard for discharging the processing in water tank is additionally provided with described lower header.
Described grounding electrode is metal bar or metal socket or turn；Described high-field electrode is metal bar,
Medium tube in insertion.
The top of the annular overflow trough is further opened with the aperture for interior medium tube described in intercalation, the interior medium between two parties
The upper end of pipe is fixed in described aperture.
Described aeration stone is resistant to elevated temperatures material, it is possible to achieve the effect of aeration.
Described plasma electrical source is high frequency and high voltage power supply or high-voltage pulse power source.
The annular overflow trough height maintains an equal level with two electrodes, is wrapped in outside electric discharge heat producing regions, has cold equivalent to waste water
But the effect to cool.Described grounding electrode connects power cathode and is grounded.
Operation principle of the present invention：Pending waste water is delivered to the annular overflow trough of reactor and by the mistake of filter screen
Filter, liquid flow uniformly through cascade region of discharge along outer medium inside pipe wall, grounding electrode are placed in the annular overflow trough for filling waste water,
So that waste water that can be conductive in groove turns into earthing pole, region of discharge is cooperatively formed with the high-field electrode of medium parcel, is realized to useless
The degraded of water.Meanwhile annular overflow groove is wrapped in outside electric discharge heat release zone, is cooled.Air circulation pump makes reaction
Gas circulation in device, ozone isoreactivity material caused by plasma is made full use of, reaction solution is obtained fully degraded processing.
And the water of some lower header carries out reuse, the reaction time of increase processing waste water.The device takes full advantage of electric discharge
Ozone caused by plasma, in water treatment field, have stable performance efficiently, non-secondary pollution, speed it is fast, it is simple in construction,
The advantages that practical.
Beneficial effects of the present invention are embodied in：
(1) plasma technology, which is used for water process, has processing efficiently rapid, and good sewage processing effect, disinfection force is strong, does not produce
The features such as raw any secondary pollution.(2) double-dielectric barrier discharge is used, effectively protects electrode；(3) cascade formed makes waste water
It is uniformly distributed in outer medium tube inwall, is advantageous to waste water and is sufficiently exposed to region of discharge, increase and the contact area of plasma, carry
High degradation efficiency；(4) grounding electrode is placed in waste water outflow groove, adds region of discharge, pass through the hand of direct ionization waste water
Section enhances treatment effect；(5) overflow groove height maintains an equal level with two electrode bars, is wrapped in equivalent to waste water outside electric discharge heat producing regions,
Have the function that to cool；(6) one layer of filter screen is placed in overflow launder notch, there is filtering；(7) air circulation pump will
Gas circulation in reactor, ozone isoreactivity material caused by plasma is made full use of, reaction solution is obtained fully degraded
Processing；(8) isopipe root sets aeration stone, can promote gas circulation, waste water fully can also be aerated, and keeps high turbulent flow
State, promote mass-transfer efficiency；(9) liquid circulation pump is set up, interior backflow effect is played, increases retention time of sewage；(10) this hair
Bright have stable, simple in construction, a convenient management, safe and efficient, the advantages that non-secondary pollution, water treatment field have compared with
High application prospect.
Brief description of the drawings
Fig. 1 is the structural representation of water curtain type discharge plasma efficient process organic wastewater device.
Wherein, 1-plasma power supply, 2-high-field electrode, 3-grounding electrode, 4-annular overflow trough, 5-lower header,
6-cascade region of discharge, 7-outer medium tube, 8-interior medium tube, 9-aeration tube, 10-aeration stone, 11-recycling effluent pipe,
12-liquid circulation pump, 13-water inlet pipe, 14-exhaust tube, 15-gas circulator, 16-air inlet pipe, 17-outlet pipe,
18-filter screen.
Embodiment
As shown in figure 1, a kind of water curtain type discharge plasma efficient process organic wastewater device, the device includes connecting respectively
Connect the high-field electrode 2 and grounding electrode 3 and the outer medium tube 7 being set-located and interior medium tube of the both positive and negative polarity of plasma power supply 1
8, it is cascade region of discharge 6 between described outer medium tube 7 and interior medium tube 8；The outer wall of the outer medium tube 7 is provided with annular and overflow
Chute 4, the external groove sidevall of the annular overflow trough 4 are higher than the tube wall of the outer medium tube 7, and described grounding electrode 3 is located at described
Annular overflow trough 4 in, described high-field electrode 2 is embedded in described interior medium tube 8, the lower end closed of the interior medium tube 8,
The lower end connection lower header 5 of the outer medium tube, the upper end closed of the annular overflow trough 4 and is provided with air inlet pipe 16.
The bottom land of the annular overflow trough 4 is provided with aeration stone 10, and described aeration stone 10 connects one end of aeration tube 9, institute
The other end for stating aeration tube 9 is arranged in described cascade region of discharge 6.The bottom of the lower header 5 is communicated with recycling effluent pipe
11, top is communicated with exhaust tube 14；Water inlet pipe 13 is communicated with the cell wall of the bottom of annular overflow trough 4, described backflow goes out
Water pipe 11 connects described water inlet pipe 13 by liquid circulation pump 12, and described exhaust tube 14 connects institute by gas circulator 15
The air inlet pipe 16 stated.The waste water up to standard for discharging the processing in water tank of outlet pipe 17 is additionally provided with described lower header 5.It is described
Filter screen 18 is provided with the notch of annular overflow trough 4.
Described grounding electrode 3 is metal socket or turn；Described high-field electrode 2 is metal bar, in insertion
Medium tube 8.The top of the annular overflow trough 4 is further opened with the aperture for interior medium tube 8 described in intercalation, interior Jie between two parties
The upper end of matter pipe 8 is fixed in described aperture.Described aeration stone 10 is resistant to elevated temperatures material, it is possible to achieve the effect of aeration
Fruit.Described plasma electrical source is high frequency and high voltage power supply or high-voltage pulse power source.The annular overflow trough height and two
Electrode maintains an equal level, and is wrapped in equivalent to waste water outside electric discharge heat producing regions, has the function that to cool.Described grounding electrode 3 connects
Connect power cathode and be grounded.
Pending waste water is delivered to annular overflow trough 4 by water inlet pipe 13, when liquid level exceedes the height of outer medium tube 7
When spending, by the filtering of filter screen 18, inwall uniform flow of the liquid along outer medium tube 7, open plasma power supply 1, positioned at
Cascade region of discharge 6 between high-field electrode 2 and grounding electrode 3 carries out dielectric barrier discharge, produces low temperature plasma to reaction
The waste water of room is handled.Inwall uniform flow of the liquid along outer medium tube 7, comes together in lower header 5, the liquid in lower header 5
Water inlet pipe 13 is back to through liquid circulation pump 12 by lower header recycling effluent pipe 11.Meanwhile connected by air circulation pump 15
The exhaust tube 14 and air inlet pipe 16 of reactor, form gas circulation, and the aeration stone 10 connected by aeration tube 9 exposes to waste water
Gas.Liquid after processing is discharged by the outlet pipe 17 of lower header 5.
When the device works：The cascade of formation makes waste water be uniformly distributed in the outer inwall of medium tube 7, and it is fully sudden and violent to be advantageous to waste water
Region of discharge, increase and the contact area of plasma are exposed at, improves degradation efficiency；Grounding electrode 3 is placed in annular overflow trough 4
In, region of discharge is added, treatment effect is enhanced by the means of direct ionization waste water；The height of annular overflow trough 4 and two electricity
Pole rod maintains an equal level, and is wrapped in equivalent to waste water outside electric discharge heat producing regions, has the function that to cool；Put in annular overflow trough notch
One layer of filter screen 18 is put, there is filtering；Gas circulation in reactor is made full use of plasma by air circulation pump 15
Caused ozone isoreactivity material, reaction solution is set to obtain fully degraded processing；The bottom of annular overflow trough 4 sets aeration stone 10, can
To promote gas circulation, waste water can also be fully aerated, keep high turbulent condition, promote mass-transfer efficiency；Set up liquid circulation
Pump 12, interior backflow effect is played, increases retention time of sewage.
Claims (7)
- A kind of 1. water curtain type discharge plasma efficient process organic wastewater device, it is characterised in that：The device includes connecting respectively Connect plasma power supply (1) both positive and negative polarity high-field electrode (2) and grounding electrode (3) and the outer medium tube (7) that is set-located and Interior medium tube (8), it is cascade region of discharge (6) between described outer medium tube (7) and interior medium tube (8)；The outer medium tube (7) Outer wall be provided with annular overflow trough (4), the external groove sidevall of the annular overflow trough (4) is higher than the tube wall of the outer medium tube (7), Described grounding electrode (3) is located in described annular overflow trough (4), the embedded described interior medium of described high-field electrode (2) Manage in (8), the lower end closed of the interior medium tube (8), the lower end connection lower header (5) of the outer medium tube, the annular is overflow The upper end closed of chute (4) and it is provided with air inlet pipe (16).
- 2. device according to claim 1, it is characterised in that：The bottom land of the annular overflow trough (4) is provided with aeration stone (10), one end of described aeration stone (10) connection aeration tube (9), the other end of the aeration tube (9) are arranged on described water In curtain region of discharge (6).
- 3. device according to claim 1, it is characterised in that：The bottom of the lower header (5) is communicated with recycling effluent pipe (11), top is communicated with exhaust tube (14)；Water inlet pipe (13) is communicated with the cell wall of annular overflow trough (4) bottom, it is described Recycling effluent pipe (11) described water inlet pipe (13) is connected by liquid circulation pump (12), described exhaust tube (14) passes through gas The described air inlet pipe (16) of body circulation pump (15) connection.
- 4. device according to claim 1, it is characterised in that：Filter screen is provided with the notch of the annular overflow trough (4) (18)。
- 5. device according to claim 1, it is characterised in that：Outlet pipe (17) use is additionally provided with described lower header (5) Waste water up to standard is handled in discharging in water tank.
- 6. device according to claim 1, it is characterised in that：Described grounding electrode (3) is metal bar or metal Socket or turn；Described high-field electrode (2) is metal bar, medium tube (8) in insertion.
- 7. device according to claim 1, it is characterised in that：The top of the annular overflow trough (4) is further opened between two parties Aperture for interior medium tube (8) described in intercalation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710786818.4A CN107512758A (en) | 2017-09-04 | 2017-09-04 | A kind of water curtain type discharge plasma efficient process organic wastewater device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710786818.4A CN107512758A (en) | 2017-09-04 | 2017-09-04 | A kind of water curtain type discharge plasma efficient process organic wastewater device |
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| Publication Number | Publication Date |
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| CN107512758A true CN107512758A (en) | 2017-12-26 |
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| CN201710786818.4A Pending CN107512758A (en) | 2017-09-04 | 2017-09-04 | A kind of water curtain type discharge plasma efficient process organic wastewater device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108675388A (en) * | 2018-08-08 | 2018-10-19 | 中国矿业大学(北京) | A kind of purifier and purification method of used water difficult to degradate |
| CN110092448A (en) * | 2019-05-06 | 2019-08-06 | 重庆工商大学 | A kind of concentric circles bipolar electrode discharge plasma O/W emulsion breaking device |
| CN110563091A (en) * | 2019-09-27 | 2019-12-13 | 上海海事大学 | Gas-liquid two-phase electric gas-water treatment device and method thereof |
| CN111167389A (en) * | 2020-01-30 | 2020-05-19 | 李智 | Low-temperature plasma active oil preparation device and preparation method |
| CN113332940A (en) * | 2021-06-09 | 2021-09-03 | 苏州丰源宝农业科技有限公司 | Water curtain type plasma processing device |
| WO2023151324A1 (en) * | 2022-02-09 | 2023-08-17 | 珠海格力电器股份有限公司 | Plasma-activated water preparation device |
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| CN104925889A (en) * | 2015-05-12 | 2015-09-23 | 南京大学 | Bobbin type device for degrading triclocarban (TCC) in water by virtue of dielectric barrier discharge coordinated with activated carbon fiber and method of device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108675388A (en) * | 2018-08-08 | 2018-10-19 | 中国矿业大学(北京) | A kind of purifier and purification method of used water difficult to degradate |
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| CN110092448B (en) * | 2019-05-06 | 2021-12-17 | 重庆工商大学 | Concentric circle double-electrode discharge plasma O/W emulsion breaking device |
| CN110563091A (en) * | 2019-09-27 | 2019-12-13 | 上海海事大学 | Gas-liquid two-phase electric gas-water treatment device and method thereof |
| CN111167389A (en) * | 2020-01-30 | 2020-05-19 | 李智 | Low-temperature plasma active oil preparation device and preparation method |
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| WO2023151324A1 (en) * | 2022-02-09 | 2023-08-17 | 珠海格力电器股份有限公司 | Plasma-activated water preparation device |
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Application publication date: 20171226 |
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| RJ01 | Rejection of invention patent application after publication |