CN106186172A - A kind of method activating hydrogen persulfate salt treatment waste water - Google Patents
A kind of method activating hydrogen persulfate salt treatment waste water Download PDFInfo
- Publication number
- CN106186172A CN106186172A CN201610841299.2A CN201610841299A CN106186172A CN 106186172 A CN106186172 A CN 106186172A CN 201610841299 A CN201610841299 A CN 201610841299A CN 106186172 A CN106186172 A CN 106186172A
- Authority
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- China
- Prior art keywords
- waste water
- degradation
- hydrogen persulfate
- contaminant
- low
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- 239000002351 wastewater Substances 0.000 title claims abstract description 28
- 239000001257 hydrogen Substances 0.000 title claims abstract description 24
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 24
- -1 hydrogen persulfate salt Chemical class 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000003213 activating effect Effects 0.000 title description 2
- 239000007789 gas Substances 0.000 claims abstract description 15
- 230000015556 catabolic process Effects 0.000 claims abstract description 13
- 238000006731 degradation reaction Methods 0.000 claims abstract description 13
- 230000004888 barrier function Effects 0.000 claims abstract description 11
- 230000000694 effects Effects 0.000 claims abstract description 11
- 239000000356 contaminant Substances 0.000 claims abstract description 9
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 8
- 231100000719 pollutant Toxicity 0.000 claims abstract description 8
- 230000005855 radiation Effects 0.000 claims abstract description 8
- 238000005265 energy consumption Methods 0.000 claims abstract description 7
- 230000008901 benefit Effects 0.000 claims abstract description 5
- 230000035939 shock Effects 0.000 claims abstract description 5
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 4
- 230000000593 degrading effect Effects 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims abstract description 4
- 238000003918 potentiometric titration Methods 0.000 claims abstract description 4
- 238000010525 oxidative degradation reaction Methods 0.000 claims abstract description 3
- 241000894007 species Species 0.000 claims abstract description 3
- 230000000704 physical effect Effects 0.000 claims abstract 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- JRKICGRDRMAZLK-UHFFFAOYSA-L peroxydisulfate Chemical compound [O-]S(=O)(=O)OOS([O-])(=O)=O JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 claims description 6
- HDMGAZBPFLDBCX-UHFFFAOYSA-M potassium;sulfooxy sulfate Chemical compound [K+].OS(=O)(=O)OOS([O-])(=O)=O HDMGAZBPFLDBCX-UHFFFAOYSA-M 0.000 claims description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000013543 active substance Substances 0.000 claims description 2
- 229910021529 ammonia Inorganic materials 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims description 2
- 230000008676 import Effects 0.000 claims description 2
- 239000010453 quartz Substances 0.000 claims description 2
- 239000011734 sodium Substances 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000005276 aerator Methods 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 claims 1
- 239000002912 waste gas Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 230000004913 activation Effects 0.000 abstract description 3
- 230000008569 process Effects 0.000 description 5
- 238000005273 aeration Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000000523 sample Substances 0.000 description 4
- 229920005479 Lucite® Polymers 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- STZCRXQWRGQSJD-GEEYTBSJSA-M methyl orange Chemical compound [Na+].C1=CC(N(C)C)=CC=C1\N=N\C1=CC=C(S([O-])(=O)=O)C=C1 STZCRXQWRGQSJD-GEEYTBSJSA-M 0.000 description 2
- 229940012189 methyl orange Drugs 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 1
- 235000019394 potassium persulphate Nutrition 0.000 description 1
- STZCRXQWRGQSJD-UHFFFAOYSA-M sodium;4-[[4-(dimethylamino)phenyl]diazenyl]benzenesulfonate Chemical compound [Na+].C1=CC(N(C)C)=CC=C1N=NC1=CC=C(S([O-])(=O)=O)C=C1 STZCRXQWRGQSJD-UHFFFAOYSA-M 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 239000003403 water pollutant 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
- C02F1/325—Irradiation devices or lamp constructions
-
- 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
-
- 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
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
Landscapes
- 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)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention discloses a kind of method that dielectric barrier discharge works in coordination with hydrogen persulfate salt treatment waste water, belong to water treatment field.Its method is to join in pending waste water by a certain amount of persulfuric acid hydrogen salt, gas produces the physical chemistry effects such as active specy, ultraviolet radiation, heat, shock wave through plasma reactor electric discharge, the ozone isoreactivity material that electric discharge produces can degradation of contaminant, the physical effects such as ultraviolet radiation, heat can activate persulfuric acid hydrogen salt and generate potentiometric titrations oxidative degradation pollutant, under two aspect effects, common degradation of contaminant, reaches the purpose of degradation of contaminant.The present invention proposes the method for dielectric barrier discharge activation hydrogen persulfate salt treatment waste water, and the method has that energy consumption is low, degradation efficiency advantages of higher, it is achieved that the purpose of pollutant in low energy consumption high-efficiency degrading waste water.
Description
Technical field
The invention belongs to water treatment field, be specifically related to dielectric barrier discharge and work in coordination with the side of hydrogen persulfate salt treatment waste water
Method.
Background technology
Dielectric barrier discharge technology in micro discharge form, passes through discharging gap as the one of low temperature plasma, electric discharge
Electric current be made up of the finest fast pulse current filament, electric discharge performance stable, uniform, substantial amounts of active matter can be produced
The physical chemistry effects such as kind, ultraviolet radiation, heat, shock wave, are widely used in the research that waste water processes.But at present,
Lack the application to materialization effects such as ultraviolet radiation, heat, shock waves.Sulfate radical high-level oxidation technology is complete in water treatment field
The new technology processing waste water, but, owing to persulfuric acid hydrogen salt is more stable, with water pollutant sluggish, activate sulfate
The sulfate ion forming strong oxidizing property becomes study hotspot.Therefore the present invention proposes a kind of dielectric barrier discharge and works in coordination with persulfuric acid
Hydrogen salt processes the method for waste water, and on the one hand activation persulfate raising processes the efficiency of water；On the other hand improve dielectric impedance to put
The capacity usage ratio of electricity.
Summary of the invention
It is an object of the invention to provide a kind of method that dielectric barrier discharge works in coordination with hydrogen persulfate salt treatment waste water.
The concrete technical scheme of the present invention is as follows:
A kind of dielectric barrier discharge works in coordination with the method for hydrogen persulfate salt treatment waste water, and detailed process is: by a certain amount of hydrogen persulfate
Salt joins in pending waste water, gas through plasma reactor electric discharge produce active specy, ultraviolet radiation, heat,
The physical chemistry effects such as shock wave, the ozone isoreactivity material that electric discharge produces can degradation of contaminant, the thing such as ultraviolet radiation, heat
Reason effect can activate persulfuric acid hydrogen salt and generate potentiometric titrations oxidative degradation pollutant, dirt of jointly degrading under two aspect effects
Dye thing, reaches the purpose of degradation of contaminant.The method has that energy consumption is low, degradation efficiency advantages of higher, it is achieved that low energy consumption high-efficiency
The purpose of pollutant in degrading waste water.
Dielectric barrier discharge device as herein described uses along face type discharging structure, and high-field electrode is rustless steel spiral bullet
Spring, low-field electrode is wire netting, and quartz or glass are column structure as dielectric, and high-field electrode and low-field electrode are the tightest
Being attached on the inner and outer wall of dielectric, airway imports gas in region of discharge, and ozone isoreactivity material passes through aeration
Device enters in waste water.
High voltage power supply used herein is high-frequency and high-voltage power supply, and wherein, voltage is 1000 kV-10000 kV, and frequency is more than 1
kHz-10 kHz。
The gas being passed through herein is oxygen, nitrogen or nitrogen, or the mixing of any several gases.
Wastewater pH handled by Ben Wen is 4-11, and pollutant and persulfuric acid hydrogen salt mol ratio are 1/1-1/10.
Persulfuric acid hydrogen salt used herein is potassium hydrogen persulfate, hydrogen persulfate sodium or hydrogen persulfate ammonia.
Compared with prior art, present invention have an advantage that the method has that energy consumption is low, degradation efficiency is high, the scope of application
Extensively, rapidly and efficiently, the advantage such as non-secondary pollution.
Accompanying drawing explanation
Fig. 1 is that dielectric barrier discharge reactor works in coordination with potassium hydrogen persulfate process waste water system.
Fig. 2 is the research that low-temperature plasma synergistic potassium hydrogen persulfate removes Methyl Orange in Wastewater.
1. source of the gas in figure；2. water inlet；3. discharge outlet；4. gas outlet；5. air inlet；6. waste water；7. insulation
Medium；8. high-field electrode；9. aeration head；10. high voltage power supply；11. voltage probes；12. current probes；13. oscillographs.
Detailed description of the invention
Make the most specifically to describe in detail to the present invention below in conjunction with specific embodiment.
Embodiment 1(is shown in Fig. 1): pending waste water 6 is joined in reservoir 14 by water inlet 2, the waste water processed
Can be discharged by discharge outlet 3, add a certain amount of persulfuric acid hydrogen salt in pending waste water 6, high-field electrode 8 passes through wire
Being connected with high-frequency and high-voltage power supply 10 and be powered, gas is roused by air inlet 5 by low-field electrode 15 by wired earth, source of the gas 1
Entering in waste water 6, air vent 4 discharge, the flow of lactogenesis gas is controlled by effusion meter 16.The voltage of regulation high voltage power supply 10, makes
Discharging between high-field electrode 8 and low-field electrode 15, dielectric 7 is possible to prevent the generation of spark discharge and arc discharge,
Making electric discharge evenly, electric current and voltage that electric discharge produces can pass through oscillograph 13, voltage probe 11 and current probe 12 and carry out
Test.The active substance that electric discharge produces carries out water body degradation of contaminant by aeration head 9, and the physical chemistry effect that electric discharge produces can
Potentiometric titrations degradation of contaminant is generated with activation persulfuric acid hydrogen salt.
Embodiment 2(is shown in Fig. 2): methyl orange solution concentration is 100mg/L, and air mass flow is 4 L/min, and potassium hydrogen persulfate is
1mmol, voltage is 6.5kV, and frequency is 7 kHz, and pH is 7, and dielectric barrier discharge is worked in coordination with potassium peroxydisulfate and processed the degraded of methyl orange
Efficiency is 90%.
Above-mentioned reactor capacity is 500 mL, by the high-field electrode of discharge system, low-field electrode and dielectric quartz glass tubing
Be placed on external diameter be 60 mm, internal diameter be 50 mm, inside the lucite tube of a length of 600 mm.Wherein, high-field electrode is by 1.0
Stainless steel silk torsion thick for mm is made for helical form, the diameter of thread 12 mm, geometrical mean pitch 6 mm, region of discharge overall length 200
mm；Low-field electrode is pending bacterium solution；Internal diameter 12 mm of quartz glass tube, wall thickness 1.5 mm, long 260 mm, high-field electrode is tight
It is attached on quartz glass inside pipe wall.The upper end of quartz glass tube is carrier gas inlet, and lower end is outlet, is connected with aeration head.Located
Reason waste water is between dielectric quartz glass tubing and lucite tube.
High voltage power supply used herein is high-frequency and high-voltage power supply, and wherein, voltage is 1000 kV-10000 kV, and frequency is more than
1kHz-10kHz。
The gas being passed through herein is oxygen, nitrogen or nitrogen, or the mixing of any several gases.
It is further appreciated by the present invention above in association with several specific embodiments, exemplary illustration and help, but embodiment has
Body details, merely to the explanation present invention, does not represent whole technical schemes under present inventive concept, therefore should not be construed as this
Inventing total technical scheme to limit, some are In the view of technical staff, and the unsubstantiality without departing from inventive concept is changed, such as with tool
The technical characteristic having same or similar technique effect simply changes or replaces, and all belongs to scope.
Claims (6)
1. the method that a dielectric barrier discharge works in coordination with hydrogen persulfate salt treatment waste water, it is characterised in that: by a certain amount of persulfuric acid
Hydrogen salt joins in pending waste water, and gas produces active specy, ultraviolet radiation, heat through plasma reactor electric discharge
The physical chemistry effects such as amount, shock wave, electric discharge produce ozone isoreactivity material can degradation of contaminant, ultraviolet radiation, heat
Persulfuric acid hydrogen salt generation potentiometric titrations oxidative degradation pollutant can be activated etc. physical effect, jointly drop under two aspect effects
Solve pollutant, reach the purpose of degradation of contaminant.
2. the method has that energy consumption is low, degradation efficiency advantages of higher, it is achieved that the mesh of pollutant in low energy consumption high-efficiency degrading waste water
's.
3. the plasma reaction device described in claim 1 uses along face type discharging structure, and high-field electrode is rustless steel spiral
Spring, low-field electrode is wire netting, and quartz or glass are that column structure, high-field electrode and low-field electrode are close to respectively as medium
On the inner and outer wall of dielectric, airway imports gas in region of discharge, and active substance is entered by aerator
In waste water.
4. described in claim 1 high voltage power supply be high-frequency and high-voltage power supply, wherein, voltage is 1000 kV-10000 kV, frequently
Rate is more than 1 kHz-10 kHz.
5. the gas described in claim 1 is oxygen, nitrogen or nitrogen, or the mixing of any several gases.
6. the persulfate described in claim 1 is potassium hydrogen persulfate, hydrogen persulfate sodium or hydrogen persulfate ammonia.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610841299.2A CN106186172A (en) | 2016-09-22 | 2016-09-22 | A kind of method activating hydrogen persulfate salt treatment waste water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610841299.2A CN106186172A (en) | 2016-09-22 | 2016-09-22 | A kind of method activating hydrogen persulfate salt treatment waste water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106186172A true CN106186172A (en) | 2016-12-07 |
Family
ID=58067067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610841299.2A Pending CN106186172A (en) | 2016-09-22 | 2016-09-22 | A kind of method activating hydrogen persulfate salt treatment waste water |
Country Status (1)
| Country | Link |
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| CN (1) | CN106186172A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107301938A (en) * | 2017-07-29 | 2017-10-27 | 苏州志佳电子科技有限公司 | The method for generation of ion stream and the ion generator with helical discharge electrode |
| CN107324443A (en) * | 2017-09-04 | 2017-11-07 | 南京大学 | A kind of sewage-treatment plant of use gas phase surface discharge plasma |
| CN107350282A (en) * | 2017-05-12 | 2017-11-17 | 燕山大学 | The method of discharge plasma activation persulfate collaboration renovation of organic pollution soil |
| CN110092447A (en) * | 2019-05-06 | 2019-08-06 | 重庆工商大学 | A kind of high COD emulsifying waste water demulsification decomposition apparatus of high-voltage discharge plasma |
| CN111157579A (en) * | 2019-12-31 | 2020-05-15 | 河海大学常州校区 | Experimental device and method for regulating and controlling active ingredients by input parameters of discharge reactor |
| CN113101940A (en) * | 2021-04-25 | 2021-07-13 | 山西中科国蕴环保科技有限公司 | Catalyst for activating persulfate and method for treating sewage by using catalyst |
| CN114262031A (en) * | 2021-12-30 | 2022-04-01 | 重庆大学 | Gas-liquid two-phase discharge dielectric barrier type low-temperature plasma water treatment device |
| CN114409021A (en) * | 2021-12-30 | 2022-04-29 | 重庆大学 | Method for treating wastewater by low-temperature plasma device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107350282A (en) * | 2017-05-12 | 2017-11-17 | 燕山大学 | The method of discharge plasma activation persulfate collaboration renovation of organic pollution soil |
| CN107301938A (en) * | 2017-07-29 | 2017-10-27 | 苏州志佳电子科技有限公司 | The method for generation of ion stream and the ion generator with helical discharge electrode |
| CN107324443A (en) * | 2017-09-04 | 2017-11-07 | 南京大学 | A kind of sewage-treatment plant of use gas phase surface discharge plasma |
| CN110092447A (en) * | 2019-05-06 | 2019-08-06 | 重庆工商大学 | A kind of high COD emulsifying waste water demulsification decomposition apparatus of high-voltage discharge plasma |
| CN110092447B (en) * | 2019-05-06 | 2021-12-21 | 重庆工商大学 | High COD emulsification wastewater breakdown of emulsion degradation device of high pressure discharge plasma |
| CN111157579A (en) * | 2019-12-31 | 2020-05-15 | 河海大学常州校区 | Experimental device and method for regulating and controlling active ingredients by input parameters of discharge reactor |
| CN113101940A (en) * | 2021-04-25 | 2021-07-13 | 山西中科国蕴环保科技有限公司 | Catalyst for activating persulfate and method for treating sewage by using catalyst |
| CN114262031A (en) * | 2021-12-30 | 2022-04-01 | 重庆大学 | Gas-liquid two-phase discharge dielectric barrier type low-temperature plasma water treatment device |
| CN114409021A (en) * | 2021-12-30 | 2022-04-29 | 重庆大学 | Method for treating wastewater by low-temperature plasma device |
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Application publication date: 20161207 |
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