OA11485A - Cyanide recovery by solvent extraction. - Google Patents
Cyanide recovery by solvent extraction. Download PDFInfo
- Publication number
- OA11485A OA11485A OA1200000245A OA1200000245A OA11485A OA 11485 A OA11485 A OA 11485A OA 1200000245 A OA1200000245 A OA 1200000245A OA 1200000245 A OA1200000245 A OA 1200000245A OA 11485 A OA11485 A OA 11485A
- Authority
- OA
- OAPI
- Prior art keywords
- organic solvent
- cyanide
- daims
- hcn
- organic
- Prior art date
Links
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 238000011084 recovery Methods 0.000 title description 11
- 238000000638 solvent extraction Methods 0.000 title description 4
- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 claims abstract description 96
- 238000000034 method Methods 0.000 claims abstract description 67
- 239000003960 organic solvent Substances 0.000 claims abstract description 34
- 239000000243 solution Substances 0.000 claims abstract description 32
- 239000007864 aqueous solution Substances 0.000 claims abstract description 27
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical compound CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229940093635 tributyl phosphate Drugs 0.000 claims abstract description 21
- 239000003085 diluting agent Substances 0.000 claims abstract description 14
- JPGXOMADPRULAC-UHFFFAOYSA-N 1-[butoxy(butyl)phosphoryl]oxybutane Chemical compound CCCCOP(=O)(CCCC)OCCCC JPGXOMADPRULAC-UHFFFAOYSA-N 0.000 claims abstract description 10
- 150000002903 organophosphorus compounds Chemical class 0.000 claims abstract description 10
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 8
- 230000007935 neutral effect Effects 0.000 claims abstract description 8
- 150000001875 compounds Chemical class 0.000 claims abstract description 7
- 125000003118 aryl group Chemical group 0.000 claims abstract description 5
- MPQXHAGKBWFSNV-UHFFFAOYSA-N oxidophosphanium Chemical class [PH3]=O MPQXHAGKBWFSNV-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910019142 PO4 Inorganic materials 0.000 claims abstract description 4
- 235000021317 phosphate Nutrition 0.000 claims abstract description 4
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical class OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 claims abstract description 3
- 150000003013 phosphoric acid derivatives Chemical class 0.000 claims abstract description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 11
- 229910052737 gold Inorganic materials 0.000 claims description 11
- 239000010931 gold Substances 0.000 claims description 11
- 239000002699 waste material Substances 0.000 claims description 6
- 238000009835 boiling Methods 0.000 claims description 3
- SGPGESCZOCHFCL-UHFFFAOYSA-N Tilisolol hydrochloride Chemical compound [Cl-].C1=CC=C2C(=O)N(C)C=C(OCC(O)C[NH2+]C(C)(C)C)C2=C1 SGPGESCZOCHFCL-UHFFFAOYSA-N 0.000 claims 3
- 238000000605 extraction Methods 0.000 abstract description 40
- 238000011068 loading method Methods 0.000 abstract description 7
- 125000001931 aliphatic group Chemical group 0.000 abstract description 3
- 229940058344 antitrematodals organophosphorous compound Drugs 0.000 abstract description 3
- 238000010790 dilution Methods 0.000 abstract description 3
- 239000012895 dilution Substances 0.000 abstract description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
- 239000000523 sample Substances 0.000 description 12
- 239000008346 aqueous phase Substances 0.000 description 11
- 239000002904 solvent Substances 0.000 description 11
- 238000002386 leaching Methods 0.000 description 10
- 239000003153 chemical reaction reagent Substances 0.000 description 9
- 239000000203 mixture Substances 0.000 description 9
- 239000012074 organic phase Substances 0.000 description 9
- 239000012071 phase Substances 0.000 description 8
- 239000002253 acid Substances 0.000 description 7
- 239000007789 gas Substances 0.000 description 6
- 230000020477 pH reduction Effects 0.000 description 6
- 239000007788 liquid Substances 0.000 description 4
- MNWBNISUBARLIT-UHFFFAOYSA-N sodium cyanide Chemical compound [Na+].N#[C-] MNWBNISUBARLIT-UHFFFAOYSA-N 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- -1 (C^^POî) Chemical compound 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- DOBRDRYODQBAMW-UHFFFAOYSA-N copper(i) cyanide Chemical compound [Cu+].N#[C-] DOBRDRYODQBAMW-UHFFFAOYSA-N 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000003556 assay Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005352 clarification Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 2
- 150000002825 nitriles Chemical class 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 150000004763 sulfides Chemical class 0.000 description 2
- 235000011149 sulphuric acid Nutrition 0.000 description 2
- 238000004448 titration Methods 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- OJDHPAQEFDMEMC-UHFFFAOYSA-N N#C[Cu]C#N Chemical class N#C[Cu]C#N OJDHPAQEFDMEMC-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 239000012496 blank sample Substances 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- OMZSGWSJDCOLKM-UHFFFAOYSA-N copper(II) sulfide Chemical compound [S-2].[Cu+2] OMZSGWSJDCOLKM-UHFFFAOYSA-N 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- XJNRCXLRADYVFQ-UHFFFAOYSA-N molecular hydrogen cyanide Chemical compound [H][H].N#[C-] XJNRCXLRADYVFQ-UHFFFAOYSA-N 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 238000013386 optimize process Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- FHHJDRFHHWUPDG-UHFFFAOYSA-N peroxysulfuric acid Chemical compound OOS(O)(=O)=O FHHJDRFHHWUPDG-UHFFFAOYSA-N 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- PYWVYCXTNDRMGF-UHFFFAOYSA-N rhodamine B Chemical compound [Cl-].C=12C=CC(=[N+](CC)CC)C=C2OC2=CC(N(CC)CC)=CC=C2C=1C1=CC=CC=C1C(O)=O PYWVYCXTNDRMGF-UHFFFAOYSA-N 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- HYHCSLBZRBJJCH-UHFFFAOYSA-M sodium hydrosulfide Chemical compound [Na+].[SH-] HYHCSLBZRBJJCH-UHFFFAOYSA-M 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- GTLDTDOJJJZVBW-UHFFFAOYSA-N zinc cyanide Chemical class [Zn+2].N#[C-].N#[C-] GTLDTDOJJJZVBW-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B11/00—Obtaining noble metals
- C22B11/08—Obtaining noble metals by cyaniding
-
- 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
- C02F1/26—Treatment of water, waste water, or sewage by extraction
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
- C22B3/38—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds containing phosphorus
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
- C22B3/38—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds containing phosphorus
- C22B3/384—Pentavalent phosphorus oxyacids, esters thereof
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
-
- 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
- Y10S210/903—Nitrogenous
-
- 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
- Y10S210/903—Nitrogenous
- Y10S210/904—-CN containing
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Metallurgy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Geology (AREA)
- Geochemistry & Mineralogy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Extraction Or Liquid Replacement (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/235,876 US6200545B1 (en) | 1999-01-22 | 1999-01-22 | Cyanide recovery by solvent extraction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| OA11485A true OA11485A (en) | 2004-05-04 |
Family
ID=22887251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| OA1200000245A OA11485A (en) | 1999-01-22 | 2000-09-08 | Cyanide recovery by solvent extraction. |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US6200545B1 (de) |
| EP (1) | EP1165847B1 (de) |
| AT (1) | ATE241708T1 (de) |
| AU (1) | AU772784B2 (de) |
| CA (1) | CA2310111C (de) |
| DE (1) | DE60003017D1 (de) |
| ES (1) | ES2200814T3 (de) |
| OA (1) | OA11485A (de) |
| WO (1) | WO2000043558A1 (de) |
| ZA (1) | ZA200002323B (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7037482B2 (en) * | 2003-03-10 | 2006-05-02 | Teck Cominco Metals Ltd. | Solvent extraction of a halide from a aqueous sulphate solution |
| EA020950B1 (ru) * | 2007-09-17 | 2015-03-31 | Баррик Гольд Корпорейшн | Способ усовершенствования восстановления золота из двойных тугоплавких золотосодержащих руд |
| CA2699873C (en) * | 2007-09-18 | 2013-05-14 | Barrick Gold Corporation | Process for recovering gold and silver from refractory ores |
| US8262770B2 (en) | 2007-09-18 | 2012-09-11 | Barrick Gold Corporation | Process for controlling acid in sulfide pressure oxidation processes |
| US8413816B2 (en) * | 2010-02-16 | 2013-04-09 | Nalco Company | Sulfide flotation aid |
| CN109516623B (zh) * | 2018-11-16 | 2021-06-01 | 浙江万盛股份有限公司 | 一种三丁氧乙基磷酸酯废水的综合利用方法 |
| CA3196527A1 (en) * | 2020-10-27 | 2022-05-05 | Xianwen Dai | Process for removing cyanide from a cyanide-bearing aqueous fluid |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3429694A (en) | 1965-05-10 | 1969-02-25 | American Cyanamid Co | Recovery of copper and cyanide from solutions thereof by solvent extraction |
| US3975502A (en) | 1972-09-07 | 1976-08-17 | E. I. Du Pont De Nemours And Company | Process for recovery of hydrogen cyanide |
| US3984314A (en) | 1974-04-22 | 1976-10-05 | Rohm And Haas Company | Process for selective removal and recovery of cyanide values by ion exchange |
| US4026790A (en) | 1975-03-07 | 1977-05-31 | The United States Of America As Represented By The United States Energy Research And Development Administration | Removal of Zn or Cd and cyanide from cyanide electroplating wastes |
| JPS55112192A (en) | 1979-02-21 | 1980-08-29 | Nec Corp | Laser working method |
| US4239620A (en) | 1979-04-16 | 1980-12-16 | Mobil Oil Corporation | Cyanide removal from wastewaters |
| US4267159A (en) | 1980-08-08 | 1981-05-12 | Crane Co. | Cyanide recovery |
| JPS5738318A (en) * | 1980-08-14 | 1982-03-03 | Mitsubishi Gas Chem Co Inc | Separation of cyanogen chloride |
| GB2091713B (en) | 1981-01-28 | 1984-03-21 | Inco Ltd | Process for the removal of cyanide from aqueous solutions |
| US4526662A (en) | 1982-09-09 | 1985-07-02 | Byerley John J | Processes for the recovery of cyanide from aqueous thiocyanate solutions and detoxication of aqueous thiocyanate solutions |
| US4519880A (en) | 1982-09-09 | 1985-05-28 | Byerley John J | Processes for the recovery of cyanide from aqueous thiocyanate solutions and detoxication of aqueous thiocyanate solutions |
| US4540435A (en) * | 1983-08-26 | 1985-09-10 | University Of Utah | Solvent extraction of gold and silver anions under alkaline conditions |
| US4657642A (en) | 1983-08-26 | 1987-04-14 | University Of Utah | Direct gold electrolysis from a loaded organic phase |
| US4895659A (en) | 1987-04-30 | 1990-01-23 | Regents Of The University Of Minnesota | Method for metal and cyanide recovery from plating baths and rinse waters |
| US4994243A (en) | 1988-10-21 | 1991-02-19 | Cyprus Minerals Company | Cyanide regeneration process |
| US5254153A (en) | 1988-10-21 | 1993-10-19 | Cyprus Minerals Company | Cyanide recycling process |
| US5078977A (en) | 1988-10-21 | 1992-01-07 | Cyprus Minerals Company | Cyanide recovery process |
| US5177019A (en) | 1991-05-20 | 1993-01-05 | Eastman Kodak Company | Method of quantitative analysis of organophosphorus compounds |
| US5364605A (en) | 1991-06-05 | 1994-11-15 | Fmc Corporation | Recovery of cyanide from precious metal tailings |
| US5284991A (en) | 1992-09-18 | 1994-02-08 | Shell Oil Company | Cyanide removal from oily solid using a solvent extraction process |
| US5519162A (en) | 1994-08-23 | 1996-05-21 | Rohm And Haas Company | Method for removing a hydrogen cyanide contaminant from an organic liquid |
-
1999
- 1999-01-22 US US09/235,876 patent/US6200545B1/en not_active Expired - Lifetime
-
2000
- 2000-01-21 CA CA002310111A patent/CA2310111C/en not_active Expired - Fee Related
- 2000-01-21 DE DE60003017T patent/DE60003017D1/de not_active Expired - Lifetime
- 2000-01-21 AU AU22722/00A patent/AU772784B2/en not_active Ceased
- 2000-01-21 ES ES00901429T patent/ES2200814T3/es not_active Expired - Lifetime
- 2000-01-21 EP EP00901429A patent/EP1165847B1/de not_active Expired - Lifetime
- 2000-01-21 AT AT00901429T patent/ATE241708T1/de not_active IP Right Cessation
- 2000-01-21 WO PCT/CA2000/000053 patent/WO2000043558A1/en not_active Ceased
- 2000-05-11 ZA ZA200002323A patent/ZA200002323B/xx unknown
- 2000-09-08 OA OA1200000245A patent/OA11485A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE60003017D1 (de) | 2003-07-03 |
| ZA200002323B (en) | 2001-08-13 |
| ATE241708T1 (de) | 2003-06-15 |
| WO2000043558A1 (en) | 2000-07-27 |
| AU772784B2 (en) | 2004-05-06 |
| AU2272200A (en) | 2000-08-07 |
| EP1165847B1 (de) | 2003-05-28 |
| CA2310111C (en) | 2006-03-28 |
| CA2310111A1 (en) | 2000-07-22 |
| US6200545B1 (en) | 2001-03-13 |
| ES2200814T3 (es) | 2004-03-16 |
| EP1165847A1 (de) | 2002-01-02 |
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