CN110342728A - A kind of method that micro-nano air bearing coupling electroxidation device removes perfluorochemical in waste water - Google Patents
A kind of method that micro-nano air bearing coupling electroxidation device removes perfluorochemical in waste water Download PDFInfo
- Publication number
- CN110342728A CN110342728A CN201910391876.6A CN201910391876A CN110342728A CN 110342728 A CN110342728 A CN 110342728A CN 201910391876 A CN201910391876 A CN 201910391876A CN 110342728 A CN110342728 A CN 110342728A
- Authority
- CN
- China
- Prior art keywords
- water
- waste water
- electroxidation
- pfcs
- micro
- 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
- 239000002351 wastewater Substances 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 29
- 230000008878 coupling Effects 0.000 title claims abstract description 6
- 238000010168 coupling process Methods 0.000 title claims abstract description 6
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 55
- 229920006926 PFC Polymers 0.000 claims abstract description 21
- 239000000203 mixture Substances 0.000 claims abstract description 15
- 238000000926 separation method Methods 0.000 claims abstract description 11
- 239000000701 coagulant Substances 0.000 claims abstract description 9
- 239000002101 nanobubble Substances 0.000 claims abstract description 9
- 238000006243 chemical reaction Methods 0.000 claims abstract description 6
- 239000003792 electrolyte Substances 0.000 claims abstract description 6
- 230000009471 action Effects 0.000 claims abstract description 5
- 239000008213 purified water Substances 0.000 claims abstract description 5
- 239000002002 slurry Substances 0.000 claims abstract description 5
- 238000010408 sweeping Methods 0.000 claims abstract description 5
- 239000002253 acid Substances 0.000 claims abstract description 4
- 239000002893 slag Substances 0.000 claims abstract description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical group Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 claims description 6
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical group [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 4
- 230000003311 flocculating effect Effects 0.000 claims description 4
- 239000010936 titanium Substances 0.000 claims description 4
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 claims description 3
- 229910000360 iron(III) sulfate Inorganic materials 0.000 claims description 3
- 229920002401 polyacrylamide Polymers 0.000 claims description 3
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 3
- 235000011152 sodium sulphate Nutrition 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- 238000004458 analytical method Methods 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 238000006056 electrooxidation reaction Methods 0.000 claims description 2
- 238000005189 flocculation Methods 0.000 claims description 2
- 230000016615 flocculation Effects 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 239000011780 sodium chloride Substances 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 230000002401 inhibitory effect Effects 0.000 claims 1
- SNGREZUHAYWORS-UHFFFAOYSA-N perfluorooctanoic acid Chemical group OC(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F SNGREZUHAYWORS-UHFFFAOYSA-N 0.000 description 6
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 239000002957 persistent organic pollutant Substances 0.000 description 4
- YFSUTJLHUFNCNZ-UHFFFAOYSA-M 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluorooctane-1-sulfonate Chemical compound [O-]S(=O)(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F YFSUTJLHUFNCNZ-UHFFFAOYSA-M 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- HMRWGKIZOBXNRB-UHFFFAOYSA-N octane-1-sulfonyl fluoride Chemical compound CCCCCCCCS(F)(=O)=O HMRWGKIZOBXNRB-UHFFFAOYSA-N 0.000 description 2
- 230000002688 persistence Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000007086 side reaction Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000007832 Na2SO4 Substances 0.000 description 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
- 231100000693 bioaccumulation Toxicity 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000968 medical method and process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000003115 supporting electrolyte Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 238000003911 water pollution 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
- 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
- C02F1/467—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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/12—Halogens or halogen-containing compounds
- C02F2101/14—Fluorine or fluorine-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
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)
- Water Treatment By Electricity Or Magnetism (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The present invention relates to the methods of perfluorochemical in micro-nano air bearing coupling electroxidation device removal waste water, it include: that (S1) opens intake pump and micro-nano bubble generator, adjusting air inflow is 0.3~0.7mL/min, and milky air-water mixture reaches the contact chamber of reaction unit through high speed water outlet diffuser；(S2) blender is opened, the pH value of adjusting waste water, then dosing coagulant first with acid or are subtracted by dosing tank；(S3) air-water mixture is through subsequent arrival separation chamber, PFCs in waste water floats up to the water surface under the action of the sweeping along of bubble, jacking and a small amount of flocculant, enter electroxidation unit through slag-water slurry outlet, the waste water without PFCs is discharged from the water outlet of separation chamber；(S4) electrolyte is added in electroxidation unit, after the PFCs grain slag mixture of collection reaches certain volume, regulates current density and be electrolysed, purified water is discharged from water outlet；(S5) effluent trough is finally entered from the waste water of water outlet and discharge, is discharged after up to standard.
Description
Technical field
The invention belongs to field of water pollution control, are related to a kind of in micro-nano air bearing coupling electroxidation device removal waste water
The method of perfluorochemical (PFCs).
Background technique
Perfluorochemical (PFCs) is the stable persistence organic pollutant of a kind of chemical property, mainly there is perfluoro caprylic acid
(PFOA), perfluorooctane sulfonate (PFOS), full-fluorine octyl sulfuryl fluoride etc., are widely used in the production of foaming agent, leather etc., in recent years
Come in various water environments (surface water, underground water and drinking water) be constantly detected.Many PFCs have significant persistence,
Bioaccumulation and toxicity, and in " POPs pact " the 4th conference of contracting party, PFOS in perfluorochemical object and its
Salt, full-fluorine octyl sulfuryl fluoride are put into pact Appendix B, abatement plan of the Environmental Protection Agency (EPA) in existing PFOA in 2015.
The high-efficient treatment device of perfluor organic pollutant is relatively fewer at present, due to its high stability and more virulent property, conventional degradation side
Method (such as chemical oxidation, biodegrade) is hard to work, therefore is badly in need of a kind of method for developing such waste water of efficient process.
Summary of the invention
The purpose of the present invention is to provide a kind of method of perfluor organic pollutant in removal waste water, this method utilizes perfluor
Compound hydro-oleophobicity, first passing through the micro-bubble that micro-nano bubble generator generates makes PFCs float, while utilizing micro-
The strong oxidizing property of nano bubble pre-oxidizes it；Then, PFCs dross water is collected to electroxidation room, and PFCs is made to carry out depth oxygen
Change.The invention reoxidizes processing PFCs by first enrichment, greatly reduces subsequent electroxidation processing water, not only saves energy consumption,
And hydraulic detention time is short, and treatment effeciency is high, greatlys save the occupied area and processing cost of device.
The present invention provides a kind of perfluorochemical (PFCs) in micro-nano air bearing coupling electroxidation device removal waste water
Method, comprising the following steps:
(S1) intake pump (2) and micro-nano bubble generator (3) are opened, the air inflow for adjusting (3) is 0.3~0.7mL/
Min, milky air-water mixture reaches zero A of contact chamber of reaction unit (6) through high speed water outlet diffuser (4) at this time；
(S2) blender (5) are opened, the pH of adjusting waste water first with acid or can be subtracted to certain value by dosing tank (11), then
It adds a certain amount of coagulant and promotes flocculating effect, wherein the certain pH value refers to that being conducive to coagulant occurs good flocculation work
PH range；
(S3) air-water mixture is through subsequent arrival separation chamber, and the PFCs in waste water is in the sweeping along of bubble, jacking and a small amount of wadding
Float up to the water surface under the action of solidifying agent, enter electroxidation unit (7) through slag-water slurry outlet (12), the waste water without PFCs from
The water outlet (13) of separation chamber is discharged；
(S4) it is previously added a certain amount of electrolyte in electroxidation unit (7), until the PFCs grain slag mixture of collection
It after reaching certain volume, opens DC power supply (17), regulates current density and be electrolysed, purified water is from water outlet (14)
Discharge；
(S5) it finally enters effluent trough (8) from the waste water that water outlet (13) and (14) are discharged, is discharged after up to standard.
Method of the present invention, wherein the coagulant is selected from aluminium chloride, ferric sulfate or polyacrylamide.
Method of the present invention, wherein the electrolyte is sodium sulphate or sodium chloride.
Method of the present invention, wherein the electroxidation unit (7) further includes DC voltage-stabilizing cathode (16), anode
(17)。
Method of the present invention, wherein the cathode be iron electrode, copper electrode or Ti electrode, the anode be with
The titanium supported oxide electrode or conductivity ceramics electrode of oxygen evolution potential.
Method of the present invention, wherein mainly inhibit analysis oxygen side reaction using the electrode for having oxygen evolution potential
Occur and improve electrochemical oxidation efficiency.
Specifically, to achieve the above object, the method that the present invention uses is as follows:
(S1) intake pump (2) and micro-nano bubble generator (3) are opened, the 0.3~0.7mL/ of air inflow of (3) is adjusted
Min, milky air-water mixture reaches zero A of contact chamber of reaction unit through high speed water outlet diffuser (4) at this time；
(S2) blender (5) are opened, the pH of adjusting waste water first with acid or can be subtracted to certain value by dosing tank (11), then
It adds a certain amount of coagulant (aluminium chloride, ferric sulfate, polyacrylamide etc.) and promotes flocculating effect, wherein the certain pH value is
Coagulant can generate the pH range of good flocculating effect.
(S3) air-water mixture is through subsequent arrival separation chamber, and the PFCs in waste water is in the sweeping along of bubble, jacking and a small amount of wadding
Float up to the water surface under the action of solidifying agent, enter electroxidation unit (7) through slag-water slurry outlet (12), the waste water without PFCs from
The water outlet (13) of separation chamber is discharged；
(S4) it is previously added a certain amount of electrolyte in electroxidation unit (7), until the PFCs grain slag mixture of collection
It after reaching certain volume, opens DC power supply (17), regulates current density and be electrolysed, purified water is from water outlet (14)
Discharge；
(S5) it finally enters effluent trough (8) from the waste water that water outlet (13) and (14) are discharged, is discharged after up to standard.
The beneficial effect of this method is:
1, the minute bubbles of the micro-or nano size generated by micro-nano bubble are received using uniqueness possessed by the partial size bubble
Meter Xiao Ying and Strong oxdiative ability are separated from water it, and partial oxidation to be attached on hydrophobic perfluorochemical, and straight
It connects medical method air bearing to compare, dosing can be greatlyd save.
2, separation and concentration is first carried out, then carries out electroxidation, not only can handle the waste water of perfluorochemical containing low concentration, moreover it is possible to
High concentration perfluorochemical waste water is handled, this method use scope is wider.
3, avoid that processing water brought by Electrocatalytic Oxidation is big, and side reaction is more, and the low feature for the treatment of effeciency not only may be used
To save occupied area, moreover it is possible to greatly save energy consumption.
Detailed description of the invention
Fig. 1 is that the present invention uses process diagram.
In figure: 1- intake chamber；2- intake pump；The micro-nano bubble generator of 3-；4- high speed water outlet diffuser；5- stirring
Device；6- reaction unit；7- electroxidation unit；8- effluent trough；9- air inlet；10- air volume regulating switch 11- dosing tank；12- pulp water
Mixture outlet；13- water outlet；14- water outlet；15- D.C. regulated power supply；16- cathode；17- anode.
Specific embodiment
Further illustrate the present invention below in conjunction with specific embodiments and the drawings, but embodiment the present invention is not done it is any
The restriction of form.Unless stated otherwise, the present invention uses reagent, method and apparatus is the art conventional reagents, method
And equipment.
Embodiment 1
The application method of the present embodiment are as follows: use the PFOA of 50mg/L for simulated wastewater, open intake pump (2) and micro-nano
Bubble generator (3) adjusts the air inflow 0.5mL/min of (3), and milky air-water mixture is spread through high speed water outlet at this time
Zero A of contact chamber of device (4) arrival reaction unit；Then, blender (5) are opened, first adjusted by dosing tank (9) pH of waste water to
8.0, then add the aluminum sulfate of total wastewater quality score 0.03%；Air-water mixture is through subsequent arrival separation chamber, in waste water
PFOA floats up to the water surface under the action of the sweeping along of bubble, jacking and a small amount of flocculant, enters through slag-water slurry outlet (12)
Electroxidation unit (7), the waste water without PFCs are discharged from the water outlet (13) of separation chamber；Addition 50mM is previously added in (7)
Na2SO4 supporting electrolyte, open power supply, using constant current mode, adjustings current density is 10mA/cm2, purified water
It is discharged from water outlet (14)；The waste water being discharged from water outlet (13) and (14) finally enters effluent trough (8).This implementation is micro-nano
After bubble pre-oxidation and electroxidation depth mineralising, the waste water containing PFOA obtains deep purifying, has the spy that low energy consumption, high-efficient
Point.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (6)
1. a kind of method with perfluorochemical in micro-nano air bearing coupling electroxidation device removal waste water, comprising the following steps:
(S1) intake pump (2) and micro-nano bubble generator (3) are opened, the air inflow for adjusting (3) is 0.3~0.7mL/min,
Milky air-water mixture reaches the contact chamber of reaction unit (6) through high speed water outlet diffuser (4) at this time
(S2) blender (5) are opened, the pH of adjusting waste water first with acid or can be subtracted to certain value by dosing tank (11), then add
A certain amount of coagulant promotes flocculating effect, wherein the certain pH value refers to that being conducive to coagulant occurs good flocculation
PH range；
(S3) air-water mixture is through subsequent arrival separation chamber, and the PFCs in waste water is in the sweeping along of bubble, jacking and a small amount of flocculant
Under the action of float up to the water surface, enter electroxidation unit (7) through slag-water slurry outlet (12), the waste water without PFCs is from separation
The water outlet (13) of room is discharged；
(S4) it is previously added a certain amount of electrolyte in electroxidation unit (7), until the PFCs grain slag mixture of collection reaches
It after certain volume, opens DC power supply (17), regulates current density and be electrolysed, purified water is arranged from water outlet (14)
Out；
(S5) it finally enters effluent trough (8) from the waste water that water outlet (13) and (14) are discharged, is discharged after up to standard.
2. according to the method described in claim 1, wherein, the coagulant is selected from aluminium chloride, ferric sulfate or polyacrylamide.
3. according to the method described in claim 1, wherein, the electrolyte is sodium sulphate or sodium chloride.
4. according to the method described in claim 1, wherein, the electroxidation unit (7) further includes DC voltage-stabilizing cathode (16), sun
Pole (17).
5. the anode is according to the method described in claim 1, wherein, the cathode is iron electrode, copper electrode or Ti electrode
Titanium supported oxide electrode or conductivity ceramics electrode with oxygen evolution potential.
6. according to the method described in claim 1, wherein, mainly inhibiting analysis oxygen secondary anti-using the electrode for having oxygen evolution potential
The generation and raising electrochemical oxidation efficiency answered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910391876.6A CN110342728A (en) | 2019-05-10 | 2019-05-10 | A kind of method that micro-nano air bearing coupling electroxidation device removes perfluorochemical in waste water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910391876.6A CN110342728A (en) | 2019-05-10 | 2019-05-10 | A kind of method that micro-nano air bearing coupling electroxidation device removes perfluorochemical in waste water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110342728A true CN110342728A (en) | 2019-10-18 |
Family
ID=68174248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910391876.6A Pending CN110342728A (en) | 2019-05-10 | 2019-05-10 | A kind of method that micro-nano air bearing coupling electroxidation device removes perfluorochemical in waste water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110342728A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI727723B (en) * | 2020-03-26 | 2021-05-11 | 臺北醫學大學 | Method for treating and recycling fluorine-containing waste solvent |
| US11840471B1 (en) | 2021-12-20 | 2023-12-12 | Republic Services, Inc. | Method for removing per- and polyfluoroalkyl substances (PFAS) from waste water |
| WO2024176226A1 (en) * | 2023-02-22 | 2024-08-29 | Yeda Research And Development Co. Ltd. | Electrochemical degradation of fluorinated organic compounds in aqueous solutions |
| US12195377B2 (en) | 2020-11-27 | 2025-01-14 | EGL Water PTY LTD | Processes and apparatus for reducing concentration of PFAS contamination in wastewater and/or soil |
| US12275661B2 (en) | 2023-07-14 | 2025-04-15 | Claros Technologies Inc. | Methods and systems of iodine capture from aqueous solutions |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101070204A (en) * | 2007-06-15 | 2007-11-14 | 浙江大学 | Method and apparatus for treating waste water containing low-concentration perfluoro ammonium caprylate |
| JP2010075834A (en) * | 2008-09-25 | 2010-04-08 | Sharp Corp | Treatment apparatus and treatment method |
| CN103408103A (en) * | 2013-08-01 | 2013-11-27 | 中国科学院过程工程研究所 | Method for recovering perfluoro carboxylic acid salt surfactant in waste water through reverse osmosis membrane technology |
| WO2017218335A1 (en) * | 2016-06-13 | 2017-12-21 | Eminus, Llc | System and method for treatment of soil and groundwater contaminated with pfas |
| CN107986379A (en) * | 2017-11-23 | 2018-05-04 | 东华大学 | The processing method and processing device of perfluoro caprylic acid in a kind of degraded sewage |
| WO2018097875A1 (en) * | 2016-09-12 | 2018-05-31 | Aecom (Delaware Corporation) | Use of electrochemical oxidation for treatment of per-and polyfluoroalkyl substances (pfas) in waste generated from sorbent and resin regeneration processes |
| CN109336226A (en) * | 2018-12-04 | 2019-02-15 | 江苏智诚达环保科技有限公司 | A kind of rotating electrode reactor and organic sewage treatment method |
| WO2019051208A1 (en) * | 2017-09-08 | 2019-03-14 | Trustees Of Tufts College | In situ remediation of pfas-contaminated groundwater |
| CN109562334A (en) * | 2016-06-10 | 2019-04-02 | 欧佩克修复技术有限公司 | Method and apparatus for the separate substance from underground water |
| CN112004607A (en) * | 2017-12-09 | 2020-11-27 | 欧佩克修复技术有限公司 | Method and apparatus for separating substances from water |
-
2019
- 2019-05-10 CN CN201910391876.6A patent/CN110342728A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101070204A (en) * | 2007-06-15 | 2007-11-14 | 浙江大学 | Method and apparatus for treating waste water containing low-concentration perfluoro ammonium caprylate |
| JP2010075834A (en) * | 2008-09-25 | 2010-04-08 | Sharp Corp | Treatment apparatus and treatment method |
| CN103408103A (en) * | 2013-08-01 | 2013-11-27 | 中国科学院过程工程研究所 | Method for recovering perfluoro carboxylic acid salt surfactant in waste water through reverse osmosis membrane technology |
| CN109562334A (en) * | 2016-06-10 | 2019-04-02 | 欧佩克修复技术有限公司 | Method and apparatus for the separate substance from underground water |
| WO2017218335A1 (en) * | 2016-06-13 | 2017-12-21 | Eminus, Llc | System and method for treatment of soil and groundwater contaminated with pfas |
| WO2018097875A1 (en) * | 2016-09-12 | 2018-05-31 | Aecom (Delaware Corporation) | Use of electrochemical oxidation for treatment of per-and polyfluoroalkyl substances (pfas) in waste generated from sorbent and resin regeneration processes |
| WO2019051208A1 (en) * | 2017-09-08 | 2019-03-14 | Trustees Of Tufts College | In situ remediation of pfas-contaminated groundwater |
| CN107986379A (en) * | 2017-11-23 | 2018-05-04 | 东华大学 | The processing method and processing device of perfluoro caprylic acid in a kind of degraded sewage |
| CN112004607A (en) * | 2017-12-09 | 2020-11-27 | 欧佩克修复技术有限公司 | Method and apparatus for separating substances from water |
| CN109336226A (en) * | 2018-12-04 | 2019-02-15 | 江苏智诚达环保科技有限公司 | A kind of rotating electrode reactor and organic sewage treatment method |
Non-Patent Citations (4)
| Title |
|---|
| PINGPING MENG等: "Efficient removal of perfluorooctane sulfonate from aqueous film-forming foam solution by aeration-foam collection", 《CHEMOSPHERE》 * |
| WEI WANG等: "Regeneration of PFOS loaded activated carbon by hot water and subsequent aeration enrichment of PFOS from eluent", 《CARBON》 * |
| 段云霞等: "《城市黑臭水体治理实用技术及案例分析》", 31 March 2018, 天津大学出版社 * |
| 牛军峰等: "水中全氟化合物电化学去除技术研究进展", 《中国科学:技术科学》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI727723B (en) * | 2020-03-26 | 2021-05-11 | 臺北醫學大學 | Method for treating and recycling fluorine-containing waste solvent |
| US12195377B2 (en) | 2020-11-27 | 2025-01-14 | EGL Water PTY LTD | Processes and apparatus for reducing concentration of PFAS contamination in wastewater and/or soil |
| US11840471B1 (en) | 2021-12-20 | 2023-12-12 | Republic Services, Inc. | Method for removing per- and polyfluoroalkyl substances (PFAS) from waste water |
| WO2024176226A1 (en) * | 2023-02-22 | 2024-08-29 | Yeda Research And Development Co. Ltd. | Electrochemical degradation of fluorinated organic compounds in aqueous solutions |
| US12275661B2 (en) | 2023-07-14 | 2025-04-15 | Claros Technologies Inc. | Methods and systems of iodine capture from aqueous solutions |
| US12351498B2 (en) | 2023-07-14 | 2025-07-08 | Claros Technologies Inc. | Methods and systems of PFAS destruction using UV irradiation at 222 nanometers |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110342728A (en) | A kind of method that micro-nano air bearing coupling electroxidation device removes perfluorochemical in waste water | |
| CN101302073B (en) | Electroplating sewerage advanced treatment process | |
| CN210122508U (en) | A power plant circulating water treatment system including electrochemical sterilization and descaling device and electrodialysis device | |
| CN206767868U (en) | A kind of garbage percolation liquid treating system | |
| CN104355473A (en) | Method for carrying out desalination and zero-discharge processing of power plant desulphurization wastewater by adopting electrodialysis technology | |
| CN106044960B (en) | A method of liquid being concentrated using three-diemsnional electrode processing landfill leachate | |
| CN203319806U (en) | Electrolysis dephosphorization device for treating domestic sewage | |
| CN107337301B (en) | A kind of method of the electric Fenton processing waste water of additional hydrogen peroxide | |
| CN102249501B (en) | Device and method for treating wastewater produced by hair-product manufacturing | |
| CN105016474A (en) | Electrochemical biological floating island used for purifying persistent pollutant in city water body | |
| CN206814454U (en) | A kind of aeration reinforcing micro-electrolysis reaction device for sewage disposal | |
| CN109336328A (en) | A kind of bioelectrochemistry synchronous denitrification dephosphorizing devices and methods therefor | |
| CN201817307U (en) | Integral nitrogen and phosphorus removal electrolysis unit | |
| CN101891284B (en) | Advanced garbage leachate treatment method | |
| CN101863535B (en) | Method for deep treatment of pharmaceutical waste water | |
| CN101863534B (en) | Advanced treatment method for Dioscoreazingiberensis C.H.Wright wastewater | |
| Sandbank et al. | Improved electroflotation for the removal of suspended solids from algal pond effluents | |
| CN102923828B (en) | Treatment facility of landfill leachate and treatment method thereof | |
| CN105217846A (en) | Cold rolling alkaline waste discharge advanced treatment system and treatment process | |
| CN105293787A (en) | Cold rolling alkaline discharged wastewater advanced treatment and recycling process system and method | |
| CN209098273U (en) | Electrochemical treatment device for landfill leachate MBR effluent | |
| CN206255960U (en) | A kind of city domestic sewage processing system | |
| CN116655059A (en) | Wastewater treatment device and method for synchronously removing high-concentration heavy metals and sulfate radicals | |
| CN109704505A (en) | A kind of plasma effluent purification method | |
| CN214141926U (en) | Heavy metal sewage treatment device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20191018 |
|
| WD01 | Invention patent application deemed withdrawn after publication |