CN111484170A - Ozone-hydroxyl ligand electronic control coupling air flotation water treatment device - Google Patents
Ozone-hydroxyl ligand electronic control coupling air flotation water treatment device Download PDFInfo
- Publication number
- CN111484170A CN111484170A CN202010253152.8A CN202010253152A CN111484170A CN 111484170 A CN111484170 A CN 111484170A CN 202010253152 A CN202010253152 A CN 202010253152A CN 111484170 A CN111484170 A CN 111484170A
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- electric control
- ozone
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- air
- water treatment
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 239000003446 ligand Substances 0.000 title claims abstract description 19
- 238000005188 flotation Methods 0.000 title claims abstract description 17
- 230000008878 coupling Effects 0.000 title claims abstract description 8
- 238000010168 coupling process Methods 0.000 title claims abstract description 8
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 8
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 22
- 230000003647 oxidation Effects 0.000 claims abstract description 20
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 20
- 239000011229 interlayer Substances 0.000 claims abstract description 4
- 230000014759 maintenance of location Effects 0.000 claims description 12
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 10
- 239000000460 chlorine Substances 0.000 claims description 10
- 229910052801 chlorine Inorganic materials 0.000 claims description 10
- 238000001556 precipitation Methods 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 5
- 238000005273 aeration Methods 0.000 claims description 5
- 239000010802 sludge Substances 0.000 claims description 5
- 239000010936 titanium Substances 0.000 claims description 5
- 229910052719 titanium Inorganic materials 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 4
- 239000002893 slag Substances 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000003814 drug Substances 0.000 abstract description 3
- 238000004062 sedimentation Methods 0.000 abstract 1
- 239000002351 wastewater Substances 0.000 description 8
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 6
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 6
- 230000002195 synergetic effect Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000013543 active substance Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000007667 floating Methods 0.000 description 3
- 239000005416 organic matter Substances 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000002957 persistent organic pollutant Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000001808 coupling effect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000001338 self-assembly Methods 0.000 description 1
Images
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
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- 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
- C02F1/463—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrocoagulation
-
- 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
- C02F1/725—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
- C02F1/72—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
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The invention discloses an ozone-hydroxyl ligand electric control coupling air flotation water treatment device. The device comprises an outer barrel (1) and an inner barrel (2) which are coaxially arranged, wherein the upper half part inside the inner barrel (2) forms an electric control core area (5), the middle part forms an air floatation area (6), a pre-oxidation area (3) is formed by an intermediate interlayer of the outer barrel (1) and the inner barrel (2), and a sedimentation area (4) is formed by the bottom inside the outer barrel (1); ozone is introduced into the pre-oxidation area (3) and the electric control core area (5) through an air inlet pipe (8), and electric control electrodes (11) are arranged in the electric control core area (5) in parallel. The device has the advantages that the device has small floor area, strong treatment capacity, no need of additional medicament, low treatment cost and the like.
Description
Technical Field
The invention relates to an ozone-hydroxyl ligand electric control coupling air flotation water treatment device, and belongs to the technical field of sewage treatment.
Background
The traditional ozone oxidation technology has selectivity on the removal of organic matters, complete removal of the organic matters is difficult to realize, a catalyst is usually required to be added for catalysis, but the recovery and regeneration and utilization ways of the catalyst are bottlenecks which restrict the catalytic ozone technology, so that the development of a novel ozone water treatment device without an additional medicament is particularly urgent.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an ozone-hydroxyl ligand electric control coupling air flotation water treatment device which is small in occupied area, strong in treatment capacity, free of additional medicament and low in treatment cost.
In order to achieve the purpose, the ozone-hydroxyl ligand electric control coupling air flotation water treatment device comprises an outer barrel and an inner barrel which are coaxially arranged, wherein the upper half part of the inner barrel forms an electric control core area, the middle part of the inner barrel forms an air flotation area, a pre-oxidation area is formed by an interlayer between the outer barrel and the inner barrel, and a precipitation area is formed at the bottom of the inner barrel;
ozone is introduced into the pre-oxidation area and the electric control core area through an air inlet pipe, and electric control electrodes are arranged in the electric control core area in parallel.
Further, the pre-oxidation area is communicated with a water inlet, the top of the air flotation area is communicated with a slag discharge pipe, the inner barrel is communicated with a drain pipe through a water outlet barrel, and the bottom of the outer barrel is communicated with a sludge discharge pipe.
Further, an active chlorine detection device controlled by a P L C controller is arranged in the electric control core area.
Furthermore, titanium aeration heads are uniformly distributed on the air inlet pipe.
Furthermore, the anode of the electric control electrode is a dimensionally stable anode, the cathode is a carbonaceous air cathode, a distance of 2-3 cm is kept between polar plates of the electric control electrode, and the current density is 5-15 mA/cm2The upper part of the electric control electrode is provided with an insulating electrode integral rod which is connected with each electrode, and an unpowered iron plate or aluminum plate is arranged between the electrode plates.
Further, the bottom of the inner part of the outer barrel is isolated from the bottom of the outer barrel through a conical baffle plate to form a settling zone.
Furthermore, the hydraulic retention time of the pre-oxidation area is designed to be 20-30 min, the hydraulic retention time of the precipitation area is designed to be 10-15 min, the hydraulic retention time of the electric control core area is designed to be 30-40 min, and the hydraulic retention time of the air flotation area is designed to be 10-15 min.
Compared with the prior art, the invention has the following beneficial effects:
aiming at the bottlenecks of poor organic matter removal effect caused by the selective oxidation characteristic of the traditional ozone and difficulty in using and recycling the catalyst faced by the ozone catalytic oxidation technology, the hydroxyl ligand generated by electric control in the device is coupled with the ozone to generate hydroxyl free radicals with strong oxidizing property, and simultaneously, the active substances such as active chlorine, hydrogen peroxide and the like generated by electric control and the ozone generate synergistic action to jointly strengthen the removal of organic pollutants in the sewage.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: 1. an outer tub; 2. an inner barrel; 3. a pre-oxidation zone; 4. a settling zone; 41. a conical baffle; 5. an electric control core area; 6. an air flotation zone; 7. a water inlet; 8. an air inlet pipe; 9. a titanium aeration head; 10. an active chlorine detection device; 11. an electrically controlled electrode; 12. a slag discharge pipe; 13. a sludge discharge pipe; 14. a water outlet barrel; 15. and a water discharge pipe.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1, the ozone-hydroxyl ligand electric control coupling air flotation water treatment device comprises an outer barrel 1 and an inner barrel 2 which are coaxially arranged, wherein the upper half part of the inside of the inner barrel 2 forms an electric control core area 5, the middle part forms an air flotation area 6, a pre-oxidation area 3 is formed by an interlayer between the outer barrel 1 and the inner barrel 2, and the bottom of the inside of the outer barrel 1 forms a precipitation area 4; the scheme has small floor area and more compact structure.
All let in ozone through intake pipe 8 in pre-oxidation zone 3 and the automatically controlled core space 5, automatically controlled electrode 11 has been laid in parallel in the automatically controlled core space 5.
Further, the pre-oxidation zone 3 is communicated with a water inlet 7, the top of the air flotation zone 6 is communicated with a slag discharge pipe 12, the inner barrel 2 is communicated with a drain pipe 15 through a water outlet barrel 14, and the bottom of the outer barrel 1 is communicated with a sludge discharge pipe 13.
The wastewater enters the pre-oxidation zone 3 from the water inlet 7, wherein the flocculation of organic matter in the wastewater is improved, enhancing the formation of ozone-hydroxyl ligands in the electrically controlled core zone 5. The wastewater after preoxidation automatically flows into an electric control core area 5, hydroxyl ligands generated by electrolysis in the electric control core area 5 are coupled with ozone to generate hydroxyl free radicals with strong oxidability, and simultaneously, active substances such as active chlorine and hydrogen peroxide generated by electrolysis and the like generate synergistic action with the ozone to jointly strengthen the removal of organic pollutants in the wastewater. Heavy flocs generated in the pre-oxidation zone 3 and the electric control core zone 5 are removed through a sludge discharge pipe 13 after being precipitated in the precipitation zone 4. The wastewater after the action of the electric control core area 5 enters the air floating area 6, organic matters carried by the ozone-hydroxyl ligand are further removed under the combined action of a plurality of active substances in the air floating area 6, the air floating process is completed under the action of ozone microbubbles, and generated scum is discharged through the scum discharge pipe 12. After air floatation, the wastewater enters the water outlet barrel 14 and is discharged through the water outlet pipe 15, the preferred scheme can realize the self-flow of the water body in the device, save measures such as adding a pressure pump in the device and the like, and the device has low energy consumption and high treatment efficiency.
Further, an active chlorine detection device 10 controlled by a P L C controller is arranged in the electric control core area 5, and the P L C controller regulates and controls a direct current power supply to provide different electrode potentials in real time through the received active chlorine component and the concentration signal, so that the synergistic effect of the active chlorine and the ozone can be enhanced.
Furthermore, titanium aeration heads 9 are uniformly distributed on the air inlet pipe 8. The titanium aeration head 9 is arranged at the bottom of the electric control core area 5 and is used for diffusing ozone added through the air inlet 8, and the adding amount of the ozone is 0.5-1 mgO3the/mgCOD improves the organic matter coagulability of the oxidized organic wastewater, greatly reduces the content of suspended matters and greatly reduces the required ozone adding amount.
Further, the anode of the electric control electrode 11 is a dimensionally stable anode, and the oxygen mixed in the ozone generates hydroxyl radicals through the catalytic action of the anode, and the hydroxyl radicals are generated by the oxygen mixed in the ozoneIn the process, active chlorine is generated by catalyzing chloride ions in the water body through the anode, and the removal of organic matters is enhanced through the synergistic effect of the active chlorine and ozone. The cathode of the electric control electrode 11 is a carbonaceous air cathode, and simultaneously, the electrocatalytic reduction of ozone and oxygen is realized to generate hydroxyl radicals and hydrogen peroxide, so that the removal of organic matters in the wastewater is enhanced. The distance between the polar plates of the electric control electrode 11 is kept between 2 and 3cm, and the current density is 5 to 15mA/cm2The upper part of the electric control electrode 11 is provided with an insulating electrode self-assembly rod for connecting each electrode, so that the replacement of the polar plate is convenient. An unpowered iron plate or aluminum plate is arranged between the polar plates, and hydroxyl ligands are generated by induction charging in an electric field between the cathode and the anode plates and hydroxyl free radicals with strong oxidizing property are generated by coupling action with ozone, so that the removal of organic matters is enhanced.
Furthermore, the hydraulic retention time of the pre-oxidation zone 3 is designed to be 20-30 min, the hydraulic retention time of the precipitation zone 4 is designed to be 10-15 min, the hydraulic retention time of the electronic control core zone 5 is designed to be 30-40 min, and the hydraulic retention time of the air flotation zone 6 is designed to be 10-15 min.
Further, the bottom of the inside of the outer barrel 1 is separated from the bottom of the outer barrel 1 by a conical baffle plate 41 to form a settling zone 4.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (7)
1. An ozone-hydroxyl ligand electric control coupling air flotation water treatment device is characterized in that,
the device comprises an outer barrel (1) and an inner barrel (2) which are coaxially arranged, wherein the upper half part of the inner barrel (2) forms an electric control core area (5), the middle part of the inner barrel (2) forms an air floatation area (6), a pre-oxidation area (3) is formed by an intermediate interlayer of the outer barrel (1) and the inner barrel (2), and a precipitation area (4) is formed at the bottom of the outer barrel (1);
ozone is introduced into the pre-oxidation area (3) and the electric control core area (5) through an air inlet pipe (8), and electric control electrodes (11) are arranged in the electric control core area (5) in parallel.
2. The electrically controlled ozone-hydroxyl ligand coupled air-floated water treatment device as claimed in claim 1,
the pre-oxidation zone (3) is communicated with a water inlet (7), the top of the air flotation zone (6) is communicated with a slag discharge pipe (12), the inner barrel (2) is communicated with a drain pipe (15) through a water outlet barrel (14), and the bottom of the outer barrel (1) is communicated with a sludge discharge pipe (13).
3. The electrically controlled ozone-hydroxyl ligand coupled air-floated water treatment device as claimed in claim 1,
and an active chlorine detection device (10) controlled by a P L C controller is arranged in the electric control core area (5).
4. The electrically controlled ozone-hydroxyl ligand coupled air-floated water treatment device as claimed in claim 1,
the air inlet pipe (8) is uniformly provided with titanium aeration heads (9).
5. The electrically controlled ozone-hydroxyl ligand coupled air-floated water treatment device as claimed in claim 1,
the anode of the electric control electrode (11) is a dimensionally stable anode, the cathode is a carbonaceous air cathode, a distance of 2-3 cm is kept between polar plates of the electric control electrode (11), and the current density is 5-15 mA/cm2The upper part of the electric control electrode (11) is provided with an insulating electrode integral rod which is connected with each electrode, and an unpowered iron plate or aluminum plate is arranged between the electrode plates.
6. The electrically controlled ozone-hydroxyl ligand coupled air-floated water treatment device as claimed in claim 1,
the hydraulic retention time of the pre-oxidation zone (3) is designed to be 20-30 min, the hydraulic retention time of the precipitation zone (4) is designed to be 10-15 min, the hydraulic retention time of the electric control core zone (5) is designed to be 30-40 min, and the hydraulic retention time of the air flotation zone (6) is designed to be 10-15 min.
7. The electrically controlled ozone-hydroxyl ligand coupled air-floated water treatment device as claimed in claim 1,
the bottom of the inner part of the outer barrel (1) isolates the bottom of the outer barrel (1) through a conical baffle (41) to form a settling zone (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010253152.8A CN111484170B (en) | 2020-04-02 | 2020-04-02 | Ozone-hydroxyl ligand electric control coupling air floatation water treatment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010253152.8A CN111484170B (en) | 2020-04-02 | 2020-04-02 | Ozone-hydroxyl ligand electric control coupling air floatation water treatment device |
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| Publication Number | Publication Date |
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| CN111484170A true CN111484170A (en) | 2020-08-04 |
| CN111484170B CN111484170B (en) | 2023-12-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115520939A (en) * | 2022-10-11 | 2022-12-27 | 西安交通大学 | Multipole type electric control coupling ozone air flotation water treatment device |
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| JP2009034625A (en) * | 2007-08-02 | 2009-02-19 | Mhi Environment Engineering Co Ltd | Wastewater treatment apparatus and method |
| CN102745794A (en) * | 2011-04-21 | 2012-10-24 | 北京市自来水集团有限责任公司 | Drinking water electrochemical preoxidation device and method |
| CN106495370A (en) * | 2016-12-06 | 2017-03-15 | 西安建筑科技大学 | A kind of electrolysis inducing ozone air-floating integral unit |
| CN110240326A (en) * | 2019-06-28 | 2019-09-17 | 西安建筑科技大学 | Air bearing and the coupling integrated device of precipitating |
| CN212315797U (en) * | 2020-04-02 | 2021-01-08 | 江苏永冠给排水设备有限公司 | Ozone-hydroxyl ligand electric control coupling air flotation water treatment device |
-
2020
- 2020-04-02 CN CN202010253152.8A patent/CN111484170B/en active Active
Patent Citations (5)
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|---|---|---|---|---|
| JP2009034625A (en) * | 2007-08-02 | 2009-02-19 | Mhi Environment Engineering Co Ltd | Wastewater treatment apparatus and method |
| CN102745794A (en) * | 2011-04-21 | 2012-10-24 | 北京市自来水集团有限责任公司 | Drinking water electrochemical preoxidation device and method |
| CN106495370A (en) * | 2016-12-06 | 2017-03-15 | 西安建筑科技大学 | A kind of electrolysis inducing ozone air-floating integral unit |
| CN110240326A (en) * | 2019-06-28 | 2019-09-17 | 西安建筑科技大学 | Air bearing and the coupling integrated device of precipitating |
| CN212315797U (en) * | 2020-04-02 | 2021-01-08 | 江苏永冠给排水设备有限公司 | Ozone-hydroxyl ligand electric control coupling air flotation water treatment device |
Non-Patent Citations (1)
| Title |
|---|
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115520939A (en) * | 2022-10-11 | 2022-12-27 | 西安交通大学 | Multipole type electric control coupling ozone air flotation water treatment device |
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