CN104276634A - Method for sterilizing effluent water of non-thermal arc plasma water purification plant - Google Patents
Method for sterilizing effluent water of non-thermal arc plasma water purification plant Download PDFInfo
- Publication number
- CN104276634A CN104276634A CN201410477885.4A CN201410477885A CN104276634A CN 104276634 A CN104276634 A CN 104276634A CN 201410477885 A CN201410477885 A CN 201410477885A CN 104276634 A CN104276634 A CN 104276634A
- Authority
- CN
- China
- Prior art keywords
- water
- purification plant
- arc plasma
- power supply
- water purification
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 54
- 238000000746 purification Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000001954 sterilising effect Effects 0.000 title claims abstract description 15
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 16
- 239000010935 stainless steel Substances 0.000 claims abstract description 16
- 239000007789 gas Substances 0.000 claims abstract description 15
- 238000006243 chemical reaction Methods 0.000 claims abstract description 5
- 238000004659 sterilization and disinfection Methods 0.000 claims description 18
- 210000000476 body water Anatomy 0.000 claims description 6
- 238000010891 electric arc Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 abstract description 7
- 239000002245 particle Substances 0.000 abstract description 5
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 abstract description 4
- 239000007921 spray Substances 0.000 abstract 2
- 230000015556 catabolic process Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- -1 hydroxyl free radical Chemical class 0.000 description 3
- 238000005660 chlorination reaction Methods 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- OUUQCZGPVNCOIJ-UHFFFAOYSA-N hydroperoxyl Chemical compound O[O] OUUQCZGPVNCOIJ-UHFFFAOYSA-N 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000004088 simulation Methods 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
- C02F1/461—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
-
- 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
- C02F2201/46—Apparatus for electrochemical processes
- C02F2201/461—Electrolysis apparatus
- C02F2201/46105—Details relating to the electrolytic devices
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)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention discloses a method for sterilizing effluent water of a non-thermal arc plasma water purification plant. The method comprises the following steps: introducing the effluent water of the water purification plant into a non-thermal arc plasma device which comprises a high-voltage power supply, one or multiple parallel-connected knife-shaped stainless steel electrodes, a spray nozzle and a gas source; starting the high-voltage power supply to generate breakdown arcs between the knife-shaped stainless steel electrodes and a water level, opening the gas source, wherein a gas flow drives the arcs to slide along the knife-shaped stainless steel electrodes through the spray nozzle so as to form a non-thermal arc plasma, and the non-thermal arc plasma induces plasma chemical reaction to generate a large quantity of active particles, namely hydrogen peroxide, ozone, hydroxyl radicals and the like so that harmful microbes contained in the effluent water to be treated in the water purification plant can be effectively sterilized. The method disclosed by the invention can be used for controlling the sterilizing process of the effluent water of the water purification plant according to an actual condition, is simple, low in cost and high in treatment efficiency and conveniently realizes the safety guarantee of water.
Description
Technical field
The present invention relates to water technology, particularly relate to the method for a kind of Non-thermal arc plasma body water purification plant water outlet sterilization.
Background technology
The most frequently used method of water purification plant's disinfection of effluent sterilizing is chlorination and disinfection by ultraviolet light, and chlorination is most widely used technology, but chlorine becomes an outstanding secondary pollution problem gradually on the impact of environment.Disinfection by ultraviolet light also exists ultraviolet lamp tube will regularly replace problems such as increasing running cost.Therefore, low cost, carry out water purification plant's disinfection of effluent sterilizing efficiently, except improvement conventional art, new technology need be explored.
Summary of the invention
For solving the problem, the present invention proposes the method for a kind of Non-thermal arc plasma body water purification plant water outlet sterilization.The method feature is by action of plasma in water outlet, the change of a series of plasma chemistry and reaction occurs in water, produces a large amount of hydrogen peroxide, ozone, hydroxyl free radical isoreactivity particle, can effectively be killed by harmful microorganism in water outlet.
The present invention, for reaching above object, is realized by following technical scheme:
There is provided the method for a kind of Non-thermal arc plasma body water purification plant water outlet sterilization: 1) Non-thermal arc plasma device is introduced in water purification plant's water outlet; 2) high-voltage power supply is opened, produce between knife-edge stainless steel electrode and water liquid level and puncture electric arc, open source of the gas, air-flow drives electric arc to slide along knife structure electrode by nozzle, form Non-thermal arc plasma body, induced by plasma plasma chemical reaction, carries out sterilization and disinfection process to the water outlet of pending water purification plant.
Described Non-thermal arc plasma device, comprises high-voltage power supply (1), knife-edge stainless steel electrode (2), nozzle (5), source of the gas (6); The knife-edge stainless steel electrode (2) of one or more parallel connections, as an electrode, is connected with one end of high-voltage power supply (1), and pending water (4), as another electrode, is connected with the other end of high-voltage power supply (1); Gas from source of the gas (6) through pipeline injection nozzle until reactor, gas is oxygen or air; Stainless steel electrode level is placed in pending side waterborne, electrode is dried up surperficial minor increment 3 ~ 8mm; High-voltage power supply power supply voltage range 10000 ~ 20000V.
The principle of sterilization of the present invention: a large amount of high-energy electron of plasma generation, in their bombardment water, water molecules generates many active particles:
Wherein active particle OH (hydroxyl free radical), H
2o
2(hydrogen peroxide) and O
3(ozone), HO
2(hydroperoxy radical) etc. are powerful sterilization oxygenants, can cause the change of enzymic activity, the oxidation of lipid material, the degraded of protein, and the sex change of DNA, thus cause the death of bacterium.
The present invention can according to working control water purification plant water outlet sterilization process, simple, low cost, high treatment efficiency and realize water purification plant's water outlet sterilization and disinfection easily.
Accompanying drawing explanation
Accompanying drawing is the device schematic diagram of the inventive method.
In figure: 1 high-voltage power supply, 2 knife-edge stainless steel electrodes, 3 Non-thermal arc plasma bodys, the water outlet of 4 pending water purification plant, 5 nozzles, 6 sources of the gas.
Embodiment
Embodiment
As shown in drawings, to add Disinfection indicator colibacillus (numbering: water ATTC25922), for the water outlet of simulation water purification plant, carries out water purification plant's water outlet sterilization.5000mL pure water is introduced Non-thermal arc plasma device, 6 knife-edge stainless steel electrodes (2) in parallel as an electrode, each long 80mm, wide 30mm, thick 3mm, stainless steel electrode level is placed in pending water (4) top, electrode is dried up surperficial minor increment 5mm.Open high-voltage power supply (1), regulating voltage is to 10000V, produce between knife-edge stainless steel electrode and water liquid level and puncture electric arc, open air source of the gas (6), airflow drives electric arc to slide along knife structure electrode by nozzle (5), form Non-thermal arc plasma body (3), induced by plasma plasma chemical reaction, hydrogen oxide, ozone, hydroxyl free radical, oxyradical isoreactivity particle is generated in water, 1L/min liquid flows through from stainless steel electrode (2), and bacterium starting point concentration is 10
3cfu/mL, discharge process 20s, the bacterium kill ratio in water reaches 98.6%.
Claims (2)
1. a method for Non-thermal arc plasma body water purification plant water outlet sterilization, is characterized in that the step of the method is as follows: Non-thermal arc plasma device is introduced in water purification plant's water outlet; Open high-voltage power supply, produce between knife-edge stainless steel electrode and water liquid level and puncture electric arc, open source of the gas, air-flow drives electric arc to slide along knife structure electrode by nozzle, form Non-thermal arc plasma body, induced by plasma plasma chemical reaction, carries out sterilization and disinfection to the water outlet of pending water purification plant.
2. the method for a kind of Non-thermal arc plasma body water purification plant according to claim 1 water outlet sterilization, is characterized in that described Non-thermal arc plasma device, comprises high-voltage power supply, knife-edge stainless steel electrode, nozzle, source of the gas; The knife-edge stainless steel electrode of one or more parallel connections, as an electrode, is connected with one end of high-voltage power supply, and pending water, as another electrode, is connected with the other end of high-voltage power supply; Gas from source of the gas through pipeline injection nozzle until reactor, gas is oxygen or air; Stainless steel electrode level is placed in pending side waterborne, electrode is dried up surperficial minor increment 3 ~ 8mm; High-voltage power supply power supply voltage range 10000 ~ 20000V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410477885.4A CN104276634A (en) | 2014-09-11 | 2014-09-11 | Method for sterilizing effluent water of non-thermal arc plasma water purification plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410477885.4A CN104276634A (en) | 2014-09-11 | 2014-09-11 | Method for sterilizing effluent water of non-thermal arc plasma water purification plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104276634A true CN104276634A (en) | 2015-01-14 |
Family
ID=52252051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410477885.4A Pending CN104276634A (en) | 2014-09-11 | 2014-09-11 | Method for sterilizing effluent water of non-thermal arc plasma water purification plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104276634A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104542545A (en) * | 2015-01-16 | 2015-04-29 | 浙江大学 | Low-temperature normal-pressure plasma activated water spraying and disease preventing device for crops |
| CN111020617A (en) * | 2019-12-26 | 2020-04-17 | 初强 | Technology and method for preparing hydrogen-oxygen combustible mixed gas by impacting water molecules with high-energy electrons |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201099636Y (en) * | 2007-06-19 | 2008-08-13 | 中山大学 | Three phase alternating-current sliding arc non- equilibrium plasma sewage processor |
| CN103482735A (en) * | 2013-09-09 | 2014-01-01 | 河海大学常州校区 | Water spray discharge air plasma jet processing device and high-voltage power source thereof |
| US20140124357A1 (en) * | 2012-11-06 | 2014-05-08 | Drexel University | Pre-treating water with non-thermal plasma |
-
2014
- 2014-09-11 CN CN201410477885.4A patent/CN104276634A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201099636Y (en) * | 2007-06-19 | 2008-08-13 | 中山大学 | Three phase alternating-current sliding arc non- equilibrium plasma sewage processor |
| US20140124357A1 (en) * | 2012-11-06 | 2014-05-08 | Drexel University | Pre-treating water with non-thermal plasma |
| CN103482735A (en) * | 2013-09-09 | 2014-01-01 | 河海大学常州校区 | Water spray discharge air plasma jet processing device and high-voltage power source thereof |
Non-Patent Citations (1)
| Title |
|---|
| J. JANCA等: "Investigation of the Chemical Action of the Gliding and "Point" Arcs Between the Metallic Electrode and Aqueous Solution", 《PLASMA CHEMISTRY AND PLASMA PROCESSING》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104542545A (en) * | 2015-01-16 | 2015-04-29 | 浙江大学 | Low-temperature normal-pressure plasma activated water spraying and disease preventing device for crops |
| CN104542545B (en) * | 2015-01-16 | 2016-12-07 | 浙江大学 | A kind of sprinkling diseases prevention device of low temperature normal atmosphere plasma activated water crops |
| CN111020617A (en) * | 2019-12-26 | 2020-04-17 | 初强 | Technology and method for preparing hydrogen-oxygen combustible mixed gas by impacting water molecules with high-energy electrons |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150114 |