SG183994A1 - Removal of selenium from refinery wastewater - Google Patents
Removal of selenium from refinery wastewater Download PDFInfo
- Publication number
- SG183994A1 SG183994A1 SG2012067039A SG2012067039A SG183994A1 SG 183994 A1 SG183994 A1 SG 183994A1 SG 2012067039 A SG2012067039 A SG 2012067039A SG 2012067039 A SG2012067039 A SG 2012067039A SG 183994 A1 SG183994 A1 SG 183994A1
- Authority
- SG
- Singapore
- Prior art keywords
- liquid
- amount
- selenium
- ppm
- ferric salt
- Prior art date
Links
- 239000011669 selenium Substances 0.000 title claims abstract description 40
- 229910052711 selenium Inorganic materials 0.000 title claims abstract description 38
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 239000002351 wastewater Substances 0.000 title description 7
- 238000000034 method Methods 0.000 claims abstract description 41
- 239000007788 liquid Substances 0.000 claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 150000003839 salts Chemical class 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 20
- DKVNPHBNOWQYFE-UHFFFAOYSA-N carbamodithioic acid Chemical compound NC(S)=S DKVNPHBNOWQYFE-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000012990 dithiocarbamate Substances 0.000 claims abstract description 16
- 230000001590 oxidative effect Effects 0.000 claims abstract description 11
- 239000007800 oxidant agent Substances 0.000 claims abstract description 10
- 239000002244 precipitate Substances 0.000 claims abstract description 6
- KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 claims description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 5
- LCPVQAHEFVXVKT-UHFFFAOYSA-N 2-(2,4-difluorophenoxy)pyridin-3-amine Chemical compound NC1=CC=CN=C1OC1=CC=C(F)C=C1F LCPVQAHEFVXVKT-UHFFFAOYSA-N 0.000 claims description 3
- 229910021578 Iron(III) chloride Inorganic materials 0.000 claims description 3
- 229940078916 carbamide peroxide Drugs 0.000 claims description 3
- 239000000701 coagulant Substances 0.000 claims description 3
- VTIIJXUACCWYHX-UHFFFAOYSA-L disodium;carboxylatooxy carbonate Chemical compound [Na+].[Na+].[O-]C(=O)OOC([O-])=O VTIIJXUACCWYHX-UHFFFAOYSA-L 0.000 claims description 3
- 229960002089 ferrous chloride Drugs 0.000 claims description 3
- 239000011790 ferrous sulphate Substances 0.000 claims description 3
- 235000003891 ferrous sulphate Nutrition 0.000 claims description 3
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 claims description 3
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims description 3
- 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
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims description 3
- 229910000360 iron(III) sulfate Inorganic materials 0.000 claims description 3
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 claims description 3
- 229940045872 sodium percarbonate Drugs 0.000 claims description 3
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Substances [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 claims description 3
- AQLJVWUFPCUVLO-UHFFFAOYSA-N urea hydrogen peroxide Chemical compound OO.NC(N)=O AQLJVWUFPCUVLO-UHFFFAOYSA-N 0.000 claims description 3
- -1 KMnQ4 Chemical compound 0.000 claims description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 2
- ARYKTOJCZLAFIS-UHFFFAOYSA-N hydrogen peroxide;ozone Chemical compound OO.[O-][O+]=O ARYKTOJCZLAFIS-UHFFFAOYSA-N 0.000 claims description 2
- 229910052717 sulfur Inorganic materials 0.000 claims description 2
- 239000011593 sulfur Substances 0.000 claims description 2
- 239000000178 monomer Substances 0.000 claims 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims 1
- 235000011007 phosphoric acid Nutrition 0.000 claims 1
- 239000000126 substance Substances 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 2
- VSWDORGPIHIGNW-UHFFFAOYSA-N Pyrrolidine dithiocarbamic acid Chemical compound SC(=S)N1CCCC1 VSWDORGPIHIGNW-UHFFFAOYSA-N 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 229940082569 selenite Drugs 0.000 description 6
- MCAHWIHFGHIESP-UHFFFAOYSA-L selenite(2-) Chemical compound [O-][Se]([O-])=O MCAHWIHFGHIESP-UHFFFAOYSA-L 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 3
- 229910001447 ferric ion Inorganic materials 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 238000000975 co-precipitation Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 229910000358 iron sulfate Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229940065287 selenium compound Drugs 0.000 description 2
- 150000003343 selenium compounds Chemical class 0.000 description 2
- 201000004624 Dermatitis Diseases 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 102000006587 Glutathione peroxidase Human genes 0.000 description 1
- 108700016172 Glutathione peroxidases Proteins 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 206010029164 Nephrotic syndrome Diseases 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 210000004404 adrenal cortex Anatomy 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000003169 central nervous system Anatomy 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000034994 death Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000921 elemental analysis Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 229960005191 ferric oxide Drugs 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 230000002008 hemorrhagic effect Effects 0.000 description 1
- 239000004009 herbicide Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000009616 inductively coupled plasma Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000002917 insecticide Substances 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- 235000013980 iron oxide Nutrition 0.000 description 1
- KWCBONPMAFANBV-UHFFFAOYSA-H iron(3+);triselenite Chemical compound [Fe+3].[Fe+3].[O-][Se]([O-])=O.[O-][Se]([O-])=O.[O-][Se]([O-])=O KWCBONPMAFANBV-UHFFFAOYSA-H 0.000 description 1
- 239000010808 liquid waste Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 230000017074 necrotic cell death Effects 0.000 description 1
- 208000009928 nephrosis Diseases 0.000 description 1
- 231100001027 nephrosis Toxicity 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 210000000496 pancreas Anatomy 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 125000003748 selenium group Chemical group *[Se]* 0.000 description 1
- CRDYSYOERSZTHZ-UHFFFAOYSA-N selenocyanic acid Chemical class [SeH]C#N CRDYSYOERSZTHZ-UHFFFAOYSA-N 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
- 235000013619 trace mineral Nutrition 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- 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
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
-
- 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
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
-
- 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
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
- C02F1/62—Heavy metal compounds
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- 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
- C02F1/722—Oxidation by peroxides
-
- 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
- C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
-
- 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
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
-
- 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
- C02F2103/18—Nature of the water, waste water, sewage or sludge to be treated from the purification of gaseous effluents
Landscapes
- 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)
- Inorganic Chemistry (AREA)
- Removal Of Specific Substances (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Paper (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/721,139 US8282835B2 (en) | 2010-03-10 | 2010-03-10 | Removal of selenium from refinery wastewater |
| PCT/US2011/027711 WO2011112693A2 (en) | 2010-03-10 | 2011-03-09 | Removal of selenium from refinery wastewater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SG183994A1 true SG183994A1 (en) | 2012-10-30 |
Family
ID=44558954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG2012067039A SG183994A1 (en) | 2010-03-10 | 2011-03-09 | Removal of selenium from refinery wastewater |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US8282835B2 (enExample) |
| EP (1) | EP2545006B1 (enExample) |
| JP (1) | JP5791639B2 (enExample) |
| KR (1) | KR101818954B1 (enExample) |
| CN (1) | CN102791638B (enExample) |
| AR (1) | AR080392A1 (enExample) |
| AU (1) | AU2011224425B2 (enExample) |
| BR (1) | BR112012022753B1 (enExample) |
| CA (1) | CA2792614C (enExample) |
| MX (1) | MX2012010442A (enExample) |
| NZ (1) | NZ602343A (enExample) |
| SG (1) | SG183994A1 (enExample) |
| TW (1) | TWI561477B (enExample) |
| WO (1) | WO2011112693A2 (enExample) |
| ZA (1) | ZA201206877B (enExample) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104053489B (zh) * | 2012-02-06 | 2016-06-08 | 纳尔科公司 | 烟道气湿式洗涤器系统中的腐蚀控制和硒除去 |
| WO2014207905A1 (ja) * | 2013-06-28 | 2014-12-31 | 三菱重工メカトロシステムズ株式会社 | セレン除去方法及びセレン除去装置 |
| CA2925964C (en) | 2013-10-04 | 2023-06-13 | Bioteq Environmental Technologies Inc. | Removal of dissolved selenium from aqueous solutions |
| JP6204146B2 (ja) * | 2013-10-16 | 2017-09-27 | 三菱重工業株式会社 | 排水処理方法及び排水処理装置 |
| CN104556540B (zh) * | 2013-10-22 | 2016-11-16 | 中国石油化工股份有限公司 | 一种含硒废水的处理方法 |
| CN104556543B (zh) * | 2013-10-29 | 2017-02-08 | 中国石油化工股份有限公司 | 一种含硒废水的处理方法 |
| PL3068733T3 (pl) * | 2013-11-11 | 2020-05-18 | Nalco Company | Sposób usuwania selenu ze strumieni ścieków |
| CN105712569B (zh) * | 2014-12-05 | 2018-04-10 | 中国石油化工股份有限公司 | 一种含硒废水的深度处理方法 |
| WO2016111739A1 (en) | 2015-01-06 | 2016-07-14 | Ecolab Usa Inc. | Process for removal of selenium from water by dithionite ions |
| WO2017070345A1 (en) * | 2015-10-21 | 2017-04-27 | The Texas A & M University System | Methods for treating selenocyanate in wastewater |
| CA3002594A1 (en) * | 2015-10-21 | 2017-04-27 | The Texas A&M University System | Method for removal of recalcitrant selenium species from wastewater |
| MX2018013972A (es) | 2016-05-20 | 2019-03-28 | Ecolab Usa Inc | Metodo para separar el mercurio de un lixiviado de mineral. |
| HUE052525T2 (hu) * | 2016-06-30 | 2021-05-28 | Bl Technologies Inc | Eljárás szelén eltávolítására biológiai, kémiai és membrán kezeléssel |
| CN106365244B (zh) * | 2016-11-21 | 2019-07-19 | 南京大学 | 一种悬浊液态含铁复合试剂及其制备方法和高效去除水中硒酸盐的方法 |
| US10947142B2 (en) * | 2017-09-01 | 2021-03-16 | Suncor Energy Inc. | Apparatus and methods for treating wastewater |
| CN113058195B (zh) * | 2021-03-29 | 2022-04-08 | 清华大学 | 降低脱硫石膏硒污染物含量的湿法脱硫添加剂及其应用 |
| CN113333177B (zh) * | 2021-05-20 | 2022-11-18 | 中国恩菲工程技术有限公司 | 含次生铜的硫化铜矿分离用组合抑制剂及分离方法 |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4405464A (en) * | 1981-08-31 | 1983-09-20 | Kerr-Mcgee Nuclear Corporation | Process for the removal of selenium from aqueous systems |
| US5071568A (en) * | 1990-10-31 | 1991-12-10 | Union Oil Company Of California | Selenium removal process |
| US5200082A (en) * | 1991-07-02 | 1993-04-06 | Santina Water Company | Method for removing toxic substances from industrial and agricultural waste water |
| US5510040A (en) * | 1994-11-21 | 1996-04-23 | Nalco Chemical Company | Removal of selenium from water by complexation with polymeric dithiocarbamates |
| US5753125A (en) * | 1995-05-19 | 1998-05-19 | Kreisler; Lawrence | Method for recovering and separating metals from waste streams |
| JPH0975954A (ja) * | 1995-09-19 | 1997-03-25 | Mitsui Mining & Smelting Co Ltd | セレン含有廃液中のセレノ硫酸イオンの除去方法 |
| JP3530672B2 (ja) * | 1996-03-13 | 2004-05-24 | 日鉱金属株式会社 | セレン含有廃水の処理方法 |
| JP3587952B2 (ja) * | 1996-07-31 | 2004-11-10 | ミヨシ油脂株式会社 | セレン含有廃液の処理方法 |
| JP2945960B2 (ja) * | 1997-02-17 | 1999-09-06 | 工業技術院長 | セレン分離材及びそれを用いたセレンの選択的分離回収方法 |
| US5993667A (en) * | 1997-10-20 | 1999-11-30 | Texaco Inc. | Process for removing selenium from refinery process water and waste water streams |
| JP3060013B1 (ja) * | 1999-03-19 | 2000-07-04 | 工業技術院長 | セレンイオンの分離方法 |
| TWI230691B (en) * | 2000-07-07 | 2005-04-11 | Microbar Sysyems Inc | Process and apparatus for removal of heavy metals from wastewater |
| JP4534326B2 (ja) * | 2000-09-13 | 2010-09-01 | 株式会社Ihi | セレン含有廃液処理方法及びその装置 |
| US6802980B1 (en) * | 2001-06-20 | 2004-10-12 | Sandia Corporation | Arsenic removal in conjunction with lime softening |
| JP2003181467A (ja) * | 2001-12-13 | 2003-07-02 | Mitsubishi Materials Corp | セレン含有廃水の処理方法 |
| JP4035347B2 (ja) * | 2002-02-28 | 2008-01-23 | 独立行政法人産業技術総合研究所 | セレン酸含有排水の処理方法及びこれに用いる処理剤 |
| JP2006102559A (ja) * | 2004-09-30 | 2006-04-20 | Dowa Mining Co Ltd | セレン含有排水の処理方法 |
| JP4670004B2 (ja) * | 2004-11-15 | 2011-04-13 | Ｄｏｗａメタルマイン株式会社 | セレン含有水の処理方法 |
| US7419602B2 (en) * | 2005-11-22 | 2008-09-02 | Conocophillips Company | Selenium removal from water |
| WO2007080686A1 (ja) * | 2006-01-12 | 2007-07-19 | University Of Tsukuba | セレン含有排水処理方法 |
| JP4970972B2 (ja) * | 2007-02-05 | 2012-07-11 | Ｄｏｗａエコシステム株式会社 | セレン含有排水の処理方法 |
-
2010
- 2010-03-10 US US12/721,139 patent/US8282835B2/en active Active
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2011
- 2011-03-04 TW TW100107257A patent/TWI561477B/zh active
- 2011-03-09 BR BR112012022753-0A patent/BR112012022753B1/pt active IP Right Grant
- 2011-03-09 AR ARP110100734A patent/AR080392A1/es active IP Right Grant
- 2011-03-09 EP EP11753993.2A patent/EP2545006B1/en active Active
- 2011-03-09 AU AU2011224425A patent/AU2011224425B2/en active Active
- 2011-03-09 KR KR1020127023689A patent/KR101818954B1/ko active Active
- 2011-03-09 WO PCT/US2011/027711 patent/WO2011112693A2/en not_active Ceased
- 2011-03-09 MX MX2012010442A patent/MX2012010442A/es unknown
- 2011-03-09 CA CA2792614A patent/CA2792614C/en active Active
- 2011-03-09 JP JP2012557207A patent/JP5791639B2/ja active Active
- 2011-03-09 CN CN201180013277.2A patent/CN102791638B/zh active Active
- 2011-03-09 NZ NZ602343A patent/NZ602343A/xx unknown
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Also Published As
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| NZ602343A (en) | 2013-08-30 |
| EP2545006A2 (en) | 2013-01-16 |
| JP5791639B2 (ja) | 2015-10-07 |
| US20110220583A1 (en) | 2011-09-15 |
| TW201144236A (en) | 2011-12-16 |
| CA2792614A1 (en) | 2011-09-15 |
| MX2012010442A (es) | 2013-02-26 |
| US8282835B2 (en) | 2012-10-09 |
| ZA201206877B (en) | 2013-05-29 |
| AR080392A1 (es) | 2012-04-04 |
| CN102791638B (zh) | 2014-10-22 |
| BR112012022753A2 (pt) | 2019-09-10 |
| TWI561477B (en) | 2016-12-11 |
| CN102791638A (zh) | 2012-11-21 |
| KR101818954B1 (ko) | 2018-01-17 |
| EP2545006A4 (en) | 2014-12-31 |
| JP2013522008A (ja) | 2013-06-13 |
| WO2011112693A2 (en) | 2011-09-15 |
| AU2011224425A1 (en) | 2012-09-27 |
| KR20130073867A (ko) | 2013-07-03 |
| CA2792614C (en) | 2018-03-27 |
| EP2545006C0 (en) | 2025-03-19 |
| AU2011224425B2 (en) | 2015-09-03 |
| WO2011112693A3 (en) | 2012-01-05 |
| BR112012022753B1 (pt) | 2021-05-25 |
| EP2545006B1 (en) | 2025-03-19 |
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