CA2869158C - Chloride process for the leaching of gold - Google Patents
Chloride process for the leaching of gold Download PDFInfo
- Publication number
- CA2869158C CA2869158C CA2869158A CA2869158A CA2869158C CA 2869158 C CA2869158 C CA 2869158C CA 2869158 A CA2869158 A CA 2869158A CA 2869158 A CA2869158 A CA 2869158A CA 2869158 C CA2869158 C CA 2869158C
- Authority
- CA
- Canada
- Prior art keywords
- gold
- solution
- concentrate
- extraction
- liquid
- 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.)
- Active
Links
- 239000010931 gold Substances 0.000 title claims abstract description 174
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 title claims abstract description 164
- 229910052737 gold Inorganic materials 0.000 title claims abstract description 164
- 238000000034 method Methods 0.000 title claims abstract description 72
- 238000002386 leaching Methods 0.000 title claims abstract description 44
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 title description 14
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 76
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 65
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims abstract description 50
- 239000012141 concentrate Substances 0.000 claims abstract description 45
- 239000007788 liquid Substances 0.000 claims abstract description 43
- 238000000605 extraction Methods 0.000 claims abstract description 35
- 229910052742 iron Inorganic materials 0.000 claims abstract description 30
- 239000007787 solid Substances 0.000 claims abstract description 27
- 229910001629 magnesium chloride Inorganic materials 0.000 claims abstract description 25
- 238000000926 separation method Methods 0.000 claims abstract description 20
- 238000000638 solvent extraction Methods 0.000 claims abstract description 19
- 239000003960 organic solvent Substances 0.000 claims abstract description 16
- 239000004133 Sodium thiosulphate Substances 0.000 claims abstract description 14
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 claims abstract description 14
- 235000019345 sodium thiosulphate Nutrition 0.000 claims abstract description 14
- 150000002923 oximes Chemical class 0.000 claims abstract description 9
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 9
- 238000001556 precipitation Methods 0.000 claims description 8
- 235000006408 oxalic acid Nutrition 0.000 claims description 3
- 239000000284 extract Substances 0.000 claims description 2
- MJUVQSGLWOGIOB-GHRIWEEISA-N 2-[(E)-hydroxyiminomethyl]-4-nonylphenol Chemical group [H]\C(=N/O)C1=CC(CCCCCCCCC)=CC=C1O MJUVQSGLWOGIOB-GHRIWEEISA-N 0.000 claims 1
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 abstract description 15
- 239000000463 material Substances 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 239000000243 solution Substances 0.000 description 59
- 238000011084 recovery Methods 0.000 description 18
- 239000007800 oxidant agent Substances 0.000 description 12
- 229910052751 metal Inorganic materials 0.000 description 10
- 239000002184 metal Substances 0.000 description 10
- 239000010949 copper Substances 0.000 description 9
- 239000012074 organic phase Substances 0.000 description 9
- 229910052802 copper Inorganic materials 0.000 description 8
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 description 8
- XFRVVPUIAFSTFO-UHFFFAOYSA-N 1-Tridecanol Chemical compound CCCCCCCCCCCCCO XFRVVPUIAFSTFO-UHFFFAOYSA-N 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 7
- 239000003350 kerosene Substances 0.000 description 7
- 230000001590 oxidative effect Effects 0.000 description 7
- 229940087291 tridecyl alcohol Drugs 0.000 description 7
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 6
- 239000000460 chlorine Substances 0.000 description 6
- 229910052801 chlorine Inorganic materials 0.000 description 6
- 239000003085 diluting agent Substances 0.000 description 6
- -1 halide lixiviants Chemical compound 0.000 description 6
- 150000002739 metals Chemical class 0.000 description 6
- 238000004064 recycling Methods 0.000 description 6
- MJUVQSGLWOGIOB-UHFFFAOYSA-N 2-[(Z)-hydroxyiminomethyl]-4-nonylphenol Chemical compound OC1=C(C=N/O)C=C(C=C1)CCCCCCCCC MJUVQSGLWOGIOB-UHFFFAOYSA-N 0.000 description 4
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 description 4
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
- 239000005864 Sulphur Substances 0.000 description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 4
- 229910052783 alkali metal Inorganic materials 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 238000000658 coextraction Methods 0.000 description 4
- 150000002576 ketones Chemical class 0.000 description 4
- 229940043265 methyl isobutyl ketone Drugs 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000003607 modifier Substances 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 150000003973 alkyl amines Chemical class 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- PTTPXKJBFFKCEK-UHFFFAOYSA-N 2-Methyl-4-heptanone Chemical compound CC(C)CC(=O)CC(C)C PTTPXKJBFFKCEK-UHFFFAOYSA-N 0.000 description 2
- BZSXEZOLBIJVQK-UHFFFAOYSA-N 2-methylsulfonylbenzoic acid Chemical compound CS(=O)(=O)C1=CC=CC=C1C(O)=O BZSXEZOLBIJVQK-UHFFFAOYSA-N 0.000 description 2
- GDDNTTHUKVNJRA-UHFFFAOYSA-N 3-bromo-3,3-difluoroprop-1-ene Chemical compound FC(F)(Br)C=C GDDNTTHUKVNJRA-UHFFFAOYSA-N 0.000 description 2
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- MPCRDALPQLDDFX-UHFFFAOYSA-L Magnesium perchlorate Chemical compound [Mg+2].[O-]Cl(=O)(=O)=O.[O-]Cl(=O)(=O)=O MPCRDALPQLDDFX-UHFFFAOYSA-L 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 229910001514 alkali metal chloride Inorganic materials 0.000 description 2
- 229910001485 alkali metal perchlorate Inorganic materials 0.000 description 2
- 150000004973 alkali metal peroxides Chemical class 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 239000008346 aqueous phase Substances 0.000 description 2
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 2
- 229910052794 bromium Inorganic materials 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 150000001805 chlorine compounds Chemical class 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 150000004820 halides Chemical class 0.000 description 2
- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 description 2
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Inorganic materials Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- NNNSKJSUQWKSAM-UHFFFAOYSA-L magnesium;dichlorate Chemical compound [Mg+2].[O-]Cl(=O)=O.[O-]Cl(=O)=O NNNSKJSUQWKSAM-UHFFFAOYSA-L 0.000 description 2
- XXQBEVHPUKOQEO-UHFFFAOYSA-N potassium superoxide Chemical compound [K+].[K+].[O-][O-] XXQBEVHPUKOQEO-UHFFFAOYSA-N 0.000 description 2
- JHJLBTNAGRQEKS-UHFFFAOYSA-M sodium bromide Chemical compound [Na+].[Br-] JHJLBTNAGRQEKS-UHFFFAOYSA-M 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000001117 sulphuric acid Substances 0.000 description 2
- 235000011149 sulphuric acid Nutrition 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- DHCDFWKWKRSZHF-UHFFFAOYSA-L thiosulfate(2-) Chemical compound [O-]S([S-])(=O)=O DHCDFWKWKRSZHF-UHFFFAOYSA-L 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 125000004169 (C1-C6) alkyl group Chemical group 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- 241001354491 Lasthenia californica Species 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 108091006629 SLC13A2 Proteins 0.000 description 1
- 239000005708 Sodium hypochlorite Substances 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 238000010533 azeotropic distillation Methods 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- XTEGARKTQYYJKE-UHFFFAOYSA-M chlorate Inorganic materials [O-]Cl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-M 0.000 description 1
- QRJOYPHTNNOAOJ-UHFFFAOYSA-N copper gold Chemical compound [Cu].[Au] QRJOYPHTNNOAOJ-UHFFFAOYSA-N 0.000 description 1
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 description 1
- 150000003983 crown ethers Chemical class 0.000 description 1
- AXZAYXJCENRGIM-UHFFFAOYSA-J dipotassium;tetrabromoplatinum(2-) Chemical compound [K+].[K+].[Br-].[Br-].[Br-].[Br-].[Pt+2] AXZAYXJCENRGIM-UHFFFAOYSA-J 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000009854 hydrometallurgy Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910001510 metal chloride Inorganic materials 0.000 description 1
- 229910052976 metal sulfide Inorganic materials 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- ACVYVLVWPXVTIT-UHFFFAOYSA-N phosphinic acid Chemical compound O[PH2]=O ACVYVLVWPXVTIT-UHFFFAOYSA-N 0.000 description 1
- VKJKEPKFPUWCAS-UHFFFAOYSA-M potassium chlorate Chemical compound [K+].[O-]Cl(=O)=O VKJKEPKFPUWCAS-UHFFFAOYSA-M 0.000 description 1
- 229910001487 potassium perchlorate Inorganic materials 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000009853 pyrometallurgy Methods 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical group [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- BAZAXWOYCMUHIX-UHFFFAOYSA-M sodium perchlorate Chemical compound [Na+].[O-]Cl(=O)(=O)=O BAZAXWOYCMUHIX-UHFFFAOYSA-M 0.000 description 1
- 229910001488 sodium perchlorate Inorganic materials 0.000 description 1
- PFUVRDFDKPNGAV-UHFFFAOYSA-N sodium peroxide Chemical compound [Na+].[Na+].[O-][O-] PFUVRDFDKPNGAV-UHFFFAOYSA-N 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 150000003866 tertiary ammonium salts Chemical class 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 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
- C22B11/04—Obtaining noble metals by wet processes
-
- 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
- C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
- C22B3/06—Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic acid solutions, e.g. with acids generated in situ; in inorganic salt solutions other than ammonium salt solutions
- C22B3/10—Hydrochloric acid, other halogenated acids or salts 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- Geochemistry & Mineralogy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201261621617P | 2012-04-09 | 2012-04-09 | |
| US61/621,617 | 2012-04-09 | ||
| PCT/CA2013/000337 WO2013152424A1 (en) | 2012-04-09 | 2013-04-08 | Chloride process for the leaching of gold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2869158A1 CA2869158A1 (en) | 2013-10-17 |
| CA2869158C true CA2869158C (en) | 2021-01-05 |
Family
ID=49326969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2869158A Active CA2869158C (en) | 2012-04-09 | 2013-04-08 | Chloride process for the leaching of gold |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US9732398B2 (enExample) |
| EP (1) | EP2836617A4 (enExample) |
| AU (1) | AU2013247340A1 (enExample) |
| CA (1) | CA2869158C (enExample) |
| CL (1) | CL2014002703A1 (enExample) |
| IN (1) | IN2014MN01917A (enExample) |
| WO (1) | WO2013152424A1 (enExample) |
| ZA (1) | ZA201407203B (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11427886B2 (en) | 2015-04-21 | 2022-08-30 | Excir Works Corp. | Methods for simultaneous leaching and extraction of precious metals |
| CN110607457A (zh) * | 2019-10-18 | 2019-12-24 | 广西森合高新科技股份有限公司 | 难选金精矿焙烧渣浸出剂、浸金方法和提金方法 |
| LU102054B1 (de) * | 2020-07-27 | 2022-01-27 | Centuro Ag | Verfahren zur Gewinnung von Gold und Silber aus Rohstoffen |
| WO2022022987A1 (de) * | 2020-07-27 | 2022-02-03 | Centuro Ag | Verfahren zur gewinnung von gold und silber aus rohstoffen |
| US11319613B2 (en) | 2020-08-18 | 2022-05-03 | Enviro Metals, LLC | Metal refinement |
| EP4256094A4 (en) * | 2021-01-22 | 2025-01-01 | Extrakt Process Solutions, LLC | METAL RECOVERY FROM LEACHING TREATMENT |
| WO2024170604A1 (en) | 2023-02-16 | 2024-08-22 | Université Libre de Bruxelles | A method for leaching gold from a gold-bearing substrate |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4244735A (en) * | 1979-07-27 | 1981-01-13 | Hazen Research, Inc. | Chloride leach process for recovering metal values in the presence of arsenic |
| DE3369704D1 (en) | 1983-01-05 | 1987-03-12 | American Cyanamid Co | Extraction of silver and palladium metals from aqueous solutions using tertiary phosphine sulfides |
| US4551213A (en) | 1984-05-07 | 1985-11-05 | Duval Corporation | Recovery of gold |
| CA1306613C (en) * | 1987-05-15 | 1992-08-25 | Guy Deschenes | Recovery of gold from aqueous solutions |
| US6660059B2 (en) * | 2000-05-19 | 2003-12-09 | Placer Dome Technical Services Limited | Method for thiosulfate leaching of precious metal-containing materials |
| PE20020493A1 (es) * | 2000-07-25 | 2002-06-03 | Phelps Dodge Corp | Metodos para recuperar metales no concentrados de materiales que contienen metales usando lixiviacion a presion a alta temperatura |
| FI113667B (fi) | 2002-04-23 | 2004-05-31 | Outokumpu Oy | Menetelmä kullan talteenottamiseksi |
| FI115534B (fi) | 2002-10-15 | 2005-05-31 | Outokumpu Oy | Menetelmä metallien talteenottamiseksi kloridiliuotuksen ja uuton avulla |
| JP3741117B2 (ja) | 2003-09-26 | 2006-02-01 | 住友金属鉱山株式会社 | 白金族元素の相互分離方法 |
| CA2478516C (en) * | 2003-09-30 | 2007-12-11 | Jaguar Nickel Inc. | A process for the recovery of value metals from base metal sulfide ores |
| CN1761765A (zh) | 2003-11-19 | 2006-04-19 | 方法研究奥特克公司 | 回收混合氯化物介质中钛的方法 |
| WO2006013568A2 (en) * | 2004-08-04 | 2006-02-09 | Berg Recycling Industries Ltd. | Recovery of precious metals from electronic scrap by hydrometallurgical processing |
| FI118429B (fi) | 2005-02-16 | 2007-11-15 | Outokumpu Oy | Menetelmä kullan talteenottamiseksi sulfidirikasteesta |
| FI117559B (fi) | 2005-02-16 | 2006-11-30 | Outokumpu Oy | Menetelmä kullan talteenottamiseksi kultapitoisesta liuoksesta |
| FI118302B (fi) | 2006-02-17 | 2007-09-28 | Outotec Oyj | Menetelmä kullan talteenottamiseksi |
| ES2352404B1 (es) | 2009-08-04 | 2011-10-24 | Grupo Empresarial De Servicios Mecanicos, S.L | Sistema de montaje de tuercas sobre ejes lisos. |
| WO2011156861A1 (en) * | 2010-06-15 | 2011-12-22 | The University Of Queensland | Method of recovering a metal |
-
2013
- 2013-04-08 US US13/858,147 patent/US9732398B2/en active Active
- 2013-04-08 AU AU2013247340A patent/AU2013247340A1/en not_active Abandoned
- 2013-04-08 EP EP13775400.8A patent/EP2836617A4/en not_active Withdrawn
- 2013-04-08 CA CA2869158A patent/CA2869158C/en active Active
- 2013-04-08 IN IN1917MUN2014 patent/IN2014MN01917A/en unknown
- 2013-04-08 WO PCT/CA2013/000337 patent/WO2013152424A1/en not_active Ceased
-
2014
- 2014-10-03 ZA ZA2014/07203A patent/ZA201407203B/en unknown
- 2014-10-08 CL CL2014002703A patent/CL2014002703A1/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP2836617A1 (en) | 2015-02-18 |
| CL2014002703A1 (es) | 2015-05-04 |
| US9732398B2 (en) | 2017-08-15 |
| WO2013152424A1 (en) | 2013-10-17 |
| US20130283976A1 (en) | 2013-10-31 |
| AU2013247340A1 (en) | 2014-10-16 |
| IN2014MN01917A (enExample) | 2015-07-10 |
| EP2836617A4 (en) | 2016-01-13 |
| CA2869158A1 (en) | 2013-10-17 |
| ZA201407203B (en) | 2017-08-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2869158C (en) | Chloride process for the leaching of gold | |
| US7479262B2 (en) | Method for separating platinum group element | |
| CA2869251C (en) | Process for extraction of rare earth elements | |
| EP0049567B1 (en) | Process for the extraction of precious metals from solutions thereof | |
| AU2011228956B2 (en) | Method of processing nickel bearing raw material | |
| US5328669A (en) | Extraction of precious metals from ores and other precious metal containing materials using halogen salts | |
| US20020152845A1 (en) | Oxidative pressure leach recovery of precious metals using halide ions | |
| AU2014261257B2 (en) | Method of preparing a gold-containing solution and process arrangement for recovering gold and silver | |
| US8911533B2 (en) | Method of recovering gold from dilute gold solution | |
| JP6994983B2 (ja) | ルテニウムの回収方法 | |
| EP1577408B1 (en) | Method for separating platinum group elements from selenum/tellurium bearing materials | |
| JP7423467B2 (ja) | ルテニウムの回収方法 | |
| EP1812610B1 (en) | Extraction process | |
| CN116904738A (zh) | 一种提高铂钯富集渣中稀贵金属直收率的方法 | |
| JP2004035969A (ja) | セレン等の精製方法 | |
| JP6994984B2 (ja) | ルテニウムの回収方法 | |
| GOLD | Lakshmanan et al.(43) Pub. Date: Oct. 31, 2013 | |
| EP3052667B1 (en) | Method for separating precious metals from minerals | |
| WO2007071021A1 (en) | Process for recovering a base metal from a sulfide ore material | |
| WO2024103106A1 (en) | "method for the preferential leach of value metals from sulphide concentrates" |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |
Effective date: 20180406 |