CA2872664A1 - Sulfide ore leaching process - Google Patents
Sulfide ore leaching process Download PDFInfo
- Publication number
- CA2872664A1 CA2872664A1 CA2872664A CA2872664A CA2872664A1 CA 2872664 A1 CA2872664 A1 CA 2872664A1 CA 2872664 A CA2872664 A CA 2872664A CA 2872664 A CA2872664 A CA 2872664A CA 2872664 A1 CA2872664 A1 CA 2872664A1
- Authority
- CA
- Canada
- Prior art keywords
- leaching
- ore
- orp
- solution
- fact
- 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.)
- Abandoned
Links
- 238000002386 leaching Methods 0.000 title claims abstract description 178
- 238000000034 method Methods 0.000 title claims abstract description 59
- 230000008569 process Effects 0.000 title claims abstract description 53
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 title claims description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 69
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 45
- 230000003647 oxidation Effects 0.000 claims abstract description 41
- 229910052742 iron Inorganic materials 0.000 claims abstract description 34
- 229910052569 sulfide mineral Inorganic materials 0.000 claims abstract description 8
- 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 abstract description 7
- 229910000360 iron(III) sulfate Inorganic materials 0.000 claims abstract description 6
- 229910052951 chalcopyrite Inorganic materials 0.000 claims description 57
- DVRDHUBQLOKMHZ-UHFFFAOYSA-N chalcopyrite Chemical group [S-2].[S-2].[Fe+2].[Cu+2] DVRDHUBQLOKMHZ-UHFFFAOYSA-N 0.000 claims description 57
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 18
- 229910052717 sulfur Inorganic materials 0.000 claims description 18
- 239000011593 sulfur Substances 0.000 claims description 18
- 239000002253 acid Substances 0.000 claims description 17
- 239000002245 particle Substances 0.000 claims description 13
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 claims description 12
- 229910052683 pyrite Inorganic materials 0.000 claims description 12
- 239000011028 pyrite Substances 0.000 claims description 10
- 238000001556 precipitation Methods 0.000 claims description 8
- 238000011084 recovery Methods 0.000 claims description 8
- 229910052935 jarosite Inorganic materials 0.000 claims description 6
- 229910052947 chalcocite Inorganic materials 0.000 claims description 4
- 238000000975 co-precipitation Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 229920006395 saturated elastomer Polymers 0.000 claims description 3
- 125000000101 thioether group Chemical group 0.000 claims 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 24
- 229910052802 copper Inorganic materials 0.000 description 24
- 239000010949 copper Substances 0.000 description 24
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 13
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 12
- 230000000694 effects Effects 0.000 description 12
- 229910052500 inorganic mineral Inorganic materials 0.000 description 11
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 11
- 239000011707 mineral Substances 0.000 description 11
- 235000010755 mineral Nutrition 0.000 description 11
- 238000010438 heat treatment Methods 0.000 description 10
- 238000002161 passivation Methods 0.000 description 8
- 150000004763 sulfides Chemical class 0.000 description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 7
- 238000000605 extraction Methods 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 241000894006 Bacteria Species 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 239000012141 concentrate Substances 0.000 description 6
- 230000001590 oxidative effect Effects 0.000 description 6
- 238000009854 hydrometallurgy Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 239000000654 additive Substances 0.000 description 4
- 230000001580 bacterial effect Effects 0.000 description 4
- 238000003801 milling Methods 0.000 description 4
- 239000007800 oxidant agent Substances 0.000 description 4
- 241000203069 Archaea Species 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 3
- 238000007792 addition Methods 0.000 description 3
- 238000005273 aeration Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000004090 dissolution Methods 0.000 description 3
- 238000005363 electrowinning Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 241000216226 Sulfolobus metallicus Species 0.000 description 2
- 229910052770 Uranium Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052785 arsenic Inorganic materials 0.000 description 2
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- OMZSGWSJDCOLKM-UHFFFAOYSA-N copper(II) sulfide Chemical compound [S-2].[Cu+2] OMZSGWSJDCOLKM-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000005518 electrochemistry Effects 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 229910001448 ferrous ion Inorganic materials 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000002427 irreversible effect Effects 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 229910052960 marcasite Inorganic materials 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000000813 microbial effect Effects 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 230000033116 oxidation-reduction process Effects 0.000 description 2
- 230000003134 recirculating effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000000638 solvent extraction Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 2
- ZFRBZRZEKIOGQI-UHFFFAOYSA-N 4-amino-5-hydroxynaphthalene-1,3-disulfonic acid Chemical compound C1=CC(O)=C2C(N)=C(S(O)(=O)=O)C=C(S(O)(=O)=O)C2=C1 ZFRBZRZEKIOGQI-UHFFFAOYSA-N 0.000 description 1
- 239000002028 Biomass Substances 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical class [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
- 230000001174 ascending effect Effects 0.000 description 1
- 239000011942 biocatalyst Substances 0.000 description 1
- 230000002210 biocatalytic effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000004106 carminic acid Substances 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000002079 cooperative effect Effects 0.000 description 1
- 229910001779 copper mineral Inorganic materials 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000002848 electrochemical method Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 235000003891 ferrous sulphate Nutrition 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- 229910000462 iron(III) oxide hydroxide Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052976 metal sulfide Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000002906 microbiologic effect Effects 0.000 description 1
- 238000009629 microbiological culture Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 238000005325 percolation Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000003495 polar organic solvent Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 230000000135 prohibitive effect Effects 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 229910052952 pyrrhotite Inorganic materials 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 230000009469 supplementation Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000012546 transfer Methods 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
- 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
- C22B3/08—Sulfuric acid, other sulfurated acids or salts thereof
-
- 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
- C22B15/00—Obtaining copper
- C22B15/0063—Hydrometallurgy
- C22B15/0065—Leaching or slurrying
-
- 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
-
- 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
- C22B15/00—Obtaining copper
-
- 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
- C22B15/00—Obtaining copper
- C22B15/0063—Hydrometallurgy
- C22B15/0065—Leaching or slurrying
- C22B15/0067—Leaching or slurrying with 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)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201261643042P | 2012-05-04 | 2012-05-04 | |
| USUS61/643,042 | 2012-05-04 | ||
| PCT/BR2013/000149 WO2013163712A1 (en) | 2012-05-04 | 2013-05-03 | Sulfide ore leaching process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2872664A1 true CA2872664A1 (en) | 2013-11-07 |
Family
ID=48698832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2872664A Abandoned CA2872664A1 (en) | 2012-05-04 | 2013-05-03 | Sulfide ore leaching process |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US9085812B2 (enExample) |
| EP (1) | EP2844780B1 (enExample) |
| JP (1) | JP6147849B2 (enExample) |
| KR (1) | KR20150106327A (enExample) |
| AU (1) | AU2013255067B2 (enExample) |
| BR (1) | BR112014027567A2 (enExample) |
| CA (1) | CA2872664A1 (enExample) |
| CL (1) | CL2014002993A1 (enExample) |
| DE (1) | DE112013002317T5 (enExample) |
| ES (1) | ES2530785B2 (enExample) |
| FI (1) | FI20145963A7 (enExample) |
| IN (1) | IN2014DN10243A (enExample) |
| PL (1) | PL226886B1 (enExample) |
| WO (1) | WO2013163712A1 (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2689487C1 (ru) * | 2018-09-28 | 2019-05-28 | Федеральное государственное бюджетное учреждение науки Институт горного дела Дальневосточного отделения Российской академии наук | Способ извлечения благородных металлов из руд и концентратов |
| RU2704946C1 (ru) * | 2019-03-21 | 2019-10-31 | Акционерное общество "Иркутский научно-исследовательский институт благородных и редких металлов и алмазов" АО "Иргиредмет" | Способ извлечения золота из медьсодержащего сульфидного сырья методом цианирования |
| RU2749310C2 (ru) * | 2019-09-05 | 2021-06-08 | Акционерное общество "Иркутский научно-исследовательский институт благородных и редких металлов и алмазов" АО "Иргиредмет" | Способ переработки сульфидного золотомедного флотоконцентрата |
| US11286540B2 (en) * | 2020-07-31 | 2022-03-29 | Rio Tinto Technological Resources Inc. | Method of processing a pyrite-containing slurry |
| US11236407B1 (en) * | 2020-07-31 | 2022-02-01 | Rio Tinto Technological Resources Inc. | Metal recovery by leaching agglomerates of metal-containing material/pyrite |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AUPN191395A0 (en) * | 1995-03-22 | 1995-04-27 | M.I.M. Holdings Limited | Atmospheric mineral leaching process |
| AU2006201600B2 (en) | 1995-08-14 | 2009-09-03 | Mpi Nickel Pty Ltd | Method for the Processing of Copper Minerals |
| WO1998039491A1 (en) | 1997-03-03 | 1998-09-11 | Mintek | A process for the leaching of chalcopyrite |
| ZA987217B (en) | 1997-08-15 | 2000-02-14 | Cominco Eng Services | Chloride assisted hydrometallurgical extraction of metal from sulphide or laterite ores. |
| GB9914979D0 (en) | 1999-06-25 | 1999-08-25 | Anglo American Plc | Process for the extraction of copper |
| US6319389B1 (en) * | 1999-11-24 | 2001-11-20 | Hydromet Systems, L.L.C. | Recovery of copper values from copper ores |
| ES2294958B1 (es) * | 2003-07-15 | 2009-02-16 | Mintek | Procedimiento de lixiviacion oxidativa. |
| JP4085908B2 (ja) * | 2003-07-28 | 2008-05-14 | 住友金属鉱山株式会社 | 湿式銅精錬プロセスの浸出残渣に含有される貴金属の濃縮方法 |
| RU2373298C2 (ru) * | 2004-06-03 | 2009-11-20 | Дзе Юниверсити Оф Бритиш Коламбиа | Способ выщелачивания медных концентратов |
| FI117941B (fi) * | 2005-10-13 | 2007-04-30 | Outokumpu Technology Oyj | Menetelmä metallisulfidimineraalien liuottamiseksi |
| WO2008138038A1 (en) * | 2007-05-14 | 2008-11-20 | Bhp Billiton Ssm Development Pty Ltd | LOW Eh LEACH WITH SULFUR RECYCLE |
-
2013
- 2013-05-03 IN IN10243DEN2014 patent/IN2014DN10243A/en unknown
- 2013-05-03 EP EP13731262.5A patent/EP2844780B1/en not_active Not-in-force
- 2013-05-03 ES ES201490123A patent/ES2530785B2/es not_active Expired - Fee Related
- 2013-05-03 FI FI20145963A patent/FI20145963A7/fi not_active Application Discontinuation
- 2013-05-03 AU AU2013255067A patent/AU2013255067B2/en not_active Ceased
- 2013-05-03 BR BR112014027567A patent/BR112014027567A2/pt not_active IP Right Cessation
- 2013-05-03 DE DE112013002317.2T patent/DE112013002317T5/de not_active Withdrawn
- 2013-05-03 KR KR1020147033678A patent/KR20150106327A/ko not_active Withdrawn
- 2013-05-03 JP JP2015509265A patent/JP6147849B2/ja not_active Expired - Fee Related
- 2013-05-03 US US13/886,989 patent/US9085812B2/en not_active Expired - Fee Related
- 2013-05-03 WO PCT/BR2013/000149 patent/WO2013163712A1/en not_active Ceased
- 2013-05-03 PL PL410094A patent/PL226886B1/pl unknown
- 2013-05-03 CA CA2872664A patent/CA2872664A1/en not_active Abandoned
-
2014
- 2014-11-04 CL CL2014002993A patent/CL2014002993A1/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| KR20150106327A (ko) | 2015-09-21 |
| ES2530785R1 (es) | 2015-12-09 |
| US9085812B2 (en) | 2015-07-21 |
| JP2015516032A (ja) | 2015-06-04 |
| ES2530785B2 (es) | 2017-01-19 |
| CL2014002993A1 (es) | 2015-05-08 |
| WO2013163712A1 (en) | 2013-11-07 |
| AU2013255067A1 (en) | 2014-11-27 |
| DE112013002317T5 (de) | 2015-09-10 |
| PL410094A1 (pl) | 2015-11-09 |
| US20130291686A1 (en) | 2013-11-07 |
| EP2844780B1 (en) | 2017-07-12 |
| AU2013255067B2 (en) | 2015-11-05 |
| PL226886B1 (pl) | 2017-09-29 |
| ES2530785A2 (es) | 2015-03-05 |
| IN2014DN10243A (enExample) | 2015-08-07 |
| BR112014027567A2 (pt) | 2017-07-18 |
| FI20145963A (fi) | 2014-11-04 |
| EP2844780A1 (en) | 2015-03-11 |
| FI20145963A7 (fi) | 2014-11-04 |
| JP6147849B2 (ja) | 2017-06-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2215963C (en) | Atmospheric mineral leaching process | |
| Wang | Copper leaching from chalcopyrite concentrates | |
| Han et al. | Development of copper recovery process from flotation tailings by a combined method of high‒pressure leaching‒solvent extraction | |
| Lotfalian et al. | The effect of redox control on the continuous bioleaching of chalcopyrite concentrate | |
| US6969499B1 (en) | Bacterially assisted heap leach | |
| EP3246420B1 (en) | Copper leaching process | |
| EP2844780B1 (en) | Sulfide ore leaching process | |
| CN110564964B (zh) | 一种高效利用铜锌矿的选冶联合工艺 | |
| EP3184657A1 (en) | Copper sulphide leaching inferrous chloride medium with bacteria | |
| US8968442B2 (en) | Leaching process for copper concentrates with a carbon catalyst | |
| Mohagheghi et al. | Copper recovery from reverberatory furnace flue dust | |
| Liu et al. | Enhanced bioleaching of granite-type uranium ore using an applied electric field | |
| USH2005H1 (en) | Process for leaching low sulphur content materials | |
| MXPA01003809A (es) | Un proceso para biolixiviar concentrados de cobre. | |
| WO2021186376A1 (en) | Oxidative bioleaching of base metals | |
| CN104846197A (zh) | 一种铅铜锍氧压酸浸过程中直接除铁的方法 | |
| CN102051479B (zh) | 常温嗜酸浸矿菌及高砷高品位原生硫化铜矿生物搅拌浸出方法 | |
| EA010230B1 (ru) | Способ биовыщелачивания металлсодержащих сульфидных материалов | |
| Van Staden et al. | Minerals biotechnology: trends, opportunities and challenges | |
| Kim et al. | The characteristic dissolution of valuable metals from mine-waste rock by heap bioleaching, and the recovery of metallic copper powder with fe removal and electrowinning | |
| CN103773957A (zh) | 湿法炼锌工艺中沉矾除铁工艺 | |
| JP4525372B2 (ja) | 黄銅鉱を含む硫化銅鉱の浸出方法 | |
| EA026430B1 (ru) | Обработка сульфидных материалов | |
| Torma | Bioenhanced Gold Extraction from Refractory Ores | |
| Mayne | Galvanic interaction between chalcopyrite and pyrite during atmospheric leaching |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |
Effective date: 20170323 |
|
| FZDE | Discontinued |
Effective date: 20190503 |