AP980A - Removal of pollutants from effluents with electrochemical treatment. - Google Patents
Removal of pollutants from effluents with electrochemical treatment. Download PDFInfo
- Publication number
- AP980A AP980A APAP/P/1998/001388A AP9801388A AP980A AP 980 A AP980 A AP 980A AP 9801388 A AP9801388 A AP 9801388A AP 980 A AP980 A AP 980A
- Authority
- AP
- ARIPO
- Prior art keywords
- effluent
- complex
- reactor
- zinc
- anode
- Prior art date
Links
- 239000003344 environmental pollutant Substances 0.000 title description 3
- 231100000719 pollutant Toxicity 0.000 title description 3
- 238000000034 method Methods 0.000 claims abstract description 35
- 239000011701 zinc Substances 0.000 claims abstract description 31
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 29
- 239000000356 contaminant Substances 0.000 claims abstract description 15
- 229910019142 PO4 Inorganic materials 0.000 claims abstract description 14
- 238000003914 acid mine drainage Methods 0.000 claims abstract description 11
- 229910021653 sulphate ion Inorganic materials 0.000 claims description 36
- 239000003792 electrolyte Substances 0.000 claims description 21
- 230000015572 biosynthetic process Effects 0.000 claims description 13
- 239000010452 phosphate Substances 0.000 claims description 13
- -1 sulphate ions Chemical class 0.000 claims description 11
- PTFCDOFLOPIGGS-UHFFFAOYSA-N Zinc dication Chemical compound [Zn+2] PTFCDOFLOPIGGS-UHFFFAOYSA-N 0.000 claims description 7
- LRXTYHSAJDENHV-UHFFFAOYSA-H zinc phosphate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LRXTYHSAJDENHV-UHFFFAOYSA-H 0.000 claims description 5
- 229910000165 zinc phosphate Inorganic materials 0.000 claims description 5
- 229940077935 zinc phosphate Drugs 0.000 claims description 5
- 150000001457 metallic cations Chemical class 0.000 claims description 4
- 125000002467 phosphate group Chemical group [H]OP(=O)(O[H])O[*] 0.000 claims description 2
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims description 2
- 235000009529 zinc sulphate Nutrition 0.000 claims description 2
- 239000011686 zinc sulphate Substances 0.000 claims description 2
- 150000001455 metallic ions Chemical class 0.000 abstract 2
- 235000021317 phosphate Nutrition 0.000 abstract 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 abstract 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 24
- 239000010953 base metal Substances 0.000 description 11
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 239000002244 precipitate Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000001556 precipitation Methods 0.000 description 6
- 150000002500 ions Chemical class 0.000 description 5
- 230000007935 neutral effect Effects 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 4
- 230000001376 precipitating effect Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 238000010349 cathodic reaction Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 150000004679 hydroxides Chemical class 0.000 description 3
- 229910000398 iron phosphate Inorganic materials 0.000 description 3
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 229910009378 Zn Ca Inorganic materials 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 102100040181 Aminopeptidase Q Human genes 0.000 description 1
- 101710099478 Aminopeptidase Q Proteins 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- 238000005363 electrowinning Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910000000 metal hydroxide Inorganic materials 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 229910001463 metal phosphate Inorganic materials 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 229940006486 zinc cation Drugs 0.000 description 1
- UGZADUVQMDAIAO-UHFFFAOYSA-L zinc hydroxide Chemical compound [OH-].[OH-].[Zn+2] UGZADUVQMDAIAO-UHFFFAOYSA-L 0.000 description 1
- 229910021511 zinc hydroxide Inorganic materials 0.000 description 1
- 229940007718 zinc hydroxide Drugs 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
- C02F1/52—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
- C02F1/46—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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S210/00—Liquid purification or separation
- Y10S210/902—Materials removed
- Y10S210/906—Phosphorus containing
Landscapes
- Chemical & Material Sciences (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Electrolytic Production Of Metals (AREA)
- Removal Of Specific Substances (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ZA977015 | 1997-11-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AP9801388A0 AP9801388A0 (en) | 1998-12-31 |
| AP980A true AP980A (en) | 2001-07-03 |
Family
ID=25586515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| APAP/P/1998/001388A AP980A (en) | 1997-11-01 | 1998-10-30 | Removal of pollutants from effluents with electrochemical treatment. |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US6174444B1 (fr) |
| EP (1) | EP1034140B8 (fr) |
| AP (1) | AP980A (fr) |
| AU (1) | AU748300B2 (fr) |
| BR (1) | BR9813896A (fr) |
| CA (1) | CA2309091C (fr) |
| CO (1) | CO5050271A1 (fr) |
| DE (1) | DE69809285D1 (fr) |
| OA (1) | OA11177A (fr) |
| WO (1) | WO1999023035A1 (fr) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6110379A (en) * | 1996-03-11 | 2000-08-29 | Overton; James Michael | Method for treating water containing sulfate |
| US6962662B2 (en) * | 2000-07-13 | 2005-11-08 | Stephen Ray Wurzburger | Process for treating lightly contaminated acid mine water |
| US6814840B2 (en) | 2001-02-14 | 2004-11-09 | National Research Council Of Canada | Flow-through electrochemical reactor for wastewater treatment |
| TWI309579B (en) * | 2003-11-06 | 2009-05-11 | Sanyo Electric Co | Method for preparing coagulant, and method for coagulation treatment of fluid |
| SG139599A1 (en) * | 2006-08-08 | 2008-02-29 | Singapore Tech Dynamics Pte | Method and apparatus for treating water or wastewater or the like |
| DE102008018854B4 (de) | 2008-04-15 | 2014-08-21 | Conny Brachmann | Verfahren zur Aufarbeitung von Bergwerkswässern |
| KR20160104141A (ko) * | 2015-02-25 | 2016-09-05 | 한국지질자원연구원 | 전기화학 반응을 이용한 산성광산배수 처리장치 및 처리시스템 |
| US20170166459A1 (en) * | 2015-12-14 | 2017-06-15 | William Jansen | Externally enhanced electrocoagulation |
| WO2018156704A1 (fr) * | 2017-02-22 | 2018-08-30 | Ecowater Systems Llc | Dispositif de dosage de zinc électrolytique et procédé de réduction de l'échelle |
| CN110143703A (zh) * | 2019-05-14 | 2019-08-20 | 中国地质大学（武汉） | 一种煤矿富铁灰岩水的净化装置 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3926754A (en) * | 1972-02-11 | 1975-12-16 | Andco Inc | Electrochemical contaminant removal from aqueous media |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3635764A (en) * | 1969-01-02 | 1972-01-18 | Gen Electric | Combined wastewater treatment and power generation |
| GB1252629A (fr) * | 1969-05-13 | 1971-11-10 | ||
| GB1410188A (en) * | 1970-03-27 | 1975-10-15 | Wallace R A P | Method of and apparatus for removing concentrated solutions of ionisalbe compounds from aqueous solutions thereof |
| US3766037A (en) * | 1972-02-11 | 1973-10-16 | Andco Inc | Electrochemical processes for the removal of contaminants from aqueous media |
| US4011151A (en) * | 1973-07-06 | 1977-03-08 | Nippon Risui Kagaku Kenkyusho | Process for purifying waste water by electrolysis |
| FR2431995B1 (fr) * | 1978-07-27 | 1985-07-05 | Vellas Jean | Procede pour le traitement par voie oligodynamique de liquides et dispositif pour sa mise en oeuvre |
| US4749457A (en) * | 1984-02-21 | 1988-06-07 | The Curators Of The University Of Missouri | Precipitation of colloidal materials from aqueous systems by electrochemical release of metallic flocculating agents and dynamic bimetallic cell for use therein |
| US4561948A (en) * | 1984-10-29 | 1985-12-31 | West Virginia University | Electrochemical neutralization of acid electrolyte |
| EP0187720A3 (fr) * | 1985-01-10 | 1987-12-09 | Showakoki Co., Ltd. | Procédé et dispositif pour l'élimination d'impuretés des liquides |
| DE3867327D1 (de) * | 1987-06-18 | 1992-02-13 | Andco Environmental Processes | Verfahren zum entfernen von organischen farbstoffen und schwermetallen aus abwaessern. |
| CA2098511C (fr) | 1993-06-16 | 2001-07-31 | Ward Chesworth | Systeme de traitement in situ pour empecher l'acidification de l'eau ou attenuer l'acidite |
| GB9408124D0 (en) * | 1994-04-23 | 1994-06-15 | Univ Waterloo | Electrically-enhanced degradation of organic contaminants using zero-valent metals |
| ZA9510009B (en) | 1994-08-04 | 1996-06-10 | Jochemus Johannes Smit | Separation process for separating solids from an electrolytic liquid stream |
| US5698107A (en) | 1996-03-11 | 1997-12-16 | Wurzburger; Stephen Ray | Treatment for acid mine drainage |
-
1998
- 1998-10-29 EP EP98951564A patent/EP1034140B8/fr not_active Expired - Lifetime
- 1998-10-29 AU AU97525/98A patent/AU748300B2/en not_active Ceased
- 1998-10-29 WO PCT/GB1998/003206 patent/WO1999023035A1/fr not_active Ceased
- 1998-10-29 CA CA002309091A patent/CA2309091C/fr not_active Expired - Fee Related
- 1998-10-29 DE DE69809285T patent/DE69809285D1/de not_active Expired - Lifetime
- 1998-10-29 BR BR9813896-0A patent/BR9813896A/pt not_active IP Right Cessation
- 1998-10-30 AP APAP/P/1998/001388A patent/AP980A/en active
- 1998-10-30 US US09/182,230 patent/US6174444B1/en not_active Expired - Lifetime
- 1998-10-30 OA OA9800209A patent/OA11177A/en unknown
- 1998-11-03 CO CO98064401A patent/CO5050271A1/es unknown
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3926754A (en) * | 1972-02-11 | 1975-12-16 | Andco Inc | Electrochemical contaminant removal from aqueous media |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1034140B1 (fr) | 2002-11-06 |
| EP1034140A1 (fr) | 2000-09-13 |
| AP9801388A0 (en) | 1998-12-31 |
| EP1034140B8 (fr) | 2003-08-06 |
| CA2309091C (fr) | 2008-07-29 |
| WO1999023035A1 (fr) | 1999-05-14 |
| AU748300B2 (en) | 2002-05-30 |
| CA2309091A1 (fr) | 1999-05-14 |
| OA11177A (en) | 2001-01-01 |
| BR9813896A (pt) | 2000-09-26 |
| AU9752598A (en) | 1999-05-24 |
| CO5050271A1 (es) | 2001-06-27 |
| DE69809285D1 (de) | 2002-12-12 |
| US6174444B1 (en) | 2001-01-16 |
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