FI121713B - Förfarande för upplösning av kalkopyritkoncentrat - Google Patents
Förfarande för upplösning av kalkopyritkoncentrat Download PDFInfo
- Publication number
- FI121713B FI121713B FI20090251A FI20090251A FI121713B FI 121713 B FI121713 B FI 121713B FI 20090251 A FI20090251 A FI 20090251A FI 20090251 A FI20090251 A FI 20090251A FI 121713 B FI121713 B FI 121713B
- Authority
- FI
- Finland
- Prior art keywords
- solution
- concentrate
- leaching
- copper
- zinc
- Prior art date
Links
- 239000012141 concentrate Substances 0.000 title claims description 49
- 238000000034 method Methods 0.000 title claims description 30
- 239000000243 solution Substances 0.000 claims description 64
- 239000010949 copper Substances 0.000 claims description 45
- 239000002253 acid Substances 0.000 claims description 38
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 36
- 229910052802 copper Inorganic materials 0.000 claims description 36
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 26
- 238000004090 dissolution Methods 0.000 claims description 21
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 14
- 239000001301 oxygen Substances 0.000 claims description 14
- 229910052760 oxygen Inorganic materials 0.000 claims description 14
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims description 11
- 238000000746 purification Methods 0.000 claims description 10
- 239000002244 precipitate Substances 0.000 claims description 9
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 7
- 239000011707 mineral Substances 0.000 claims description 7
- 239000007864 aqueous solution Substances 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 6
- 238000005868 electrolysis reaction Methods 0.000 claims description 5
- 238000009835 boiling Methods 0.000 claims description 4
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 claims description 4
- 239000005083 Zinc sulfide Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000002386 leaching Methods 0.000 description 74
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 44
- 239000011701 zinc Substances 0.000 description 36
- 229910052725 zinc Inorganic materials 0.000 description 31
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 30
- 229910052951 chalcopyrite Inorganic materials 0.000 description 22
- DVRDHUBQLOKMHZ-UHFFFAOYSA-N chalcopyrite Chemical compound [S-2].[S-2].[Fe+2].[Cu+2] DVRDHUBQLOKMHZ-UHFFFAOYSA-N 0.000 description 22
- 229910052742 iron Inorganic materials 0.000 description 18
- 229910052683 pyrite Inorganic materials 0.000 description 7
- 239000011028 pyrite Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 235000010755 mineral Nutrition 0.000 description 6
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 description 6
- 238000000605 extraction Methods 0.000 description 5
- 238000000622 liquid--liquid extraction Methods 0.000 description 5
- 238000000638 solvent extraction Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 4
- 239000010970 precious metal Substances 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 238000007670 refining Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000003472 neutralizing effect Effects 0.000 description 3
- 229910052950 sphalerite Inorganic materials 0.000 description 3
- 229910052984 zinc sulfide Inorganic materials 0.000 description 3
- 239000011686 zinc sulphate Substances 0.000 description 3
- 235000009529 zinc sulphate Nutrition 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000003929 acidic solution Substances 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 229910000365 copper sulfate Inorganic materials 0.000 description 2
- 229910000366 copper(II) sulfate Inorganic materials 0.000 description 2
- OMZSGWSJDCOLKM-UHFFFAOYSA-N copper(II) sulfide Chemical compound [S-2].[Cu+2] OMZSGWSJDCOLKM-UHFFFAOYSA-N 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 239000006028 limestone Substances 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 229910052569 sulfide mineral Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 229910000368 zinc sulfate Inorganic materials 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- VCUFZILGIRCDQQ-KRWDZBQOSA-N N-[[(5S)-2-oxo-3-(2-oxo-3H-1,3-benzoxazol-6-yl)-1,3-oxazolidin-5-yl]methyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C1O[C@H](CN1C1=CC2=C(NC(O2)=O)C=C1)CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F VCUFZILGIRCDQQ-KRWDZBQOSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229910021607 Silver chloride Inorganic materials 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 235000011116 calcium hydroxide Nutrition 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- 235000012255 calcium oxide Nutrition 0.000 description 1
- 150000003841 chloride salts Chemical class 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
- 229910001779 copper mineral Inorganic materials 0.000 description 1
- 239000012045 crude solution Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 239000012535 impurity Substances 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
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 235000015067 sauces Nutrition 0.000 description 1
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 238000005063 solubilization Methods 0.000 description 1
- 230000007928 solubilization Effects 0.000 description 1
- 230000003381 solubilizing effect Effects 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 150000003752 zinc compounds Chemical class 0.000 description 1
- 229960001763 zinc sulfate Drugs 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
- C22B1/00—Preliminary treatment of ores or scrap
-
- 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
- C22B15/0002—Preliminary treatment
- C22B15/0004—Preliminary treatment without modification of the copper constituent
- C22B15/0006—Preliminary treatment without modification of the copper constituent by dry 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
- C22B15/00—Obtaining copper
- C22B15/0063—Hydrometallurgy
-
- 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
- C22B15/0071—Leaching or slurrying with acids or salts thereof containing sulfur
-
- 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
-
- 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)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Claims (4)
1. Förfarande för upplösning av kalkopyritkoncentrat med hjälp av en svavelsyrahaltig vattenlösning och syretillförsel under atmosfäriskt 5 tryck och vid temperaturen 75 °C - lösningens kokpunkt, kännetecknat därav, att upplösningen utförs som motströms-upplösning i tvä steg, varvid kalkopyritkoncentratet, vars kornstorlek ligger inom omrädet 80 % under 60 - 100 pm, mätäs tili ett upplösningssteg (1) med utspädd syra, i vilket det upplöses med en 10 lösning (5) som kommer frän ett upplösningssteg (2) med stark syra; aciditeten hos kopparsulfatlösningen (6) som avlägsnas frän upplösningssteget med utspädd syra regleras att vara inom omrädet 5-15 g/l och lösningen leds tili lösningsrening (3) och vidare tili elektrolys (4) för produktion av ren koppar; utfällningen (7) frän 15 upplösningssteget med utspädd syra mätäs tili upplösningssteget (2) med stark syra, väri utfällningen upplöses med ett raffinat (8) frän lösningsreningen, varvid raffinatets aciditet regleras att vara i storleksklassen 20-90 g/l, och väri den lösning (5) som bildas mätäs tili upplösningssteget (1) med utspädd syra. 20
2. Förfarande enligt patentkrav 1, kännetecknat därav, att före upplösningen utförs pä koncentratet en kort renande malning för rengöring av mineralytorna. 25
3. Förfarande enligt patentkrav 1, kännetecknat därav, att kalkopyritkoncentratet är ett bulkkoncentrat, väri ingär zinksulfid.
4. Förfarande enligt patentkrav 1, kännetecknat därav, att lösningens (5) aciditet i upplösningssteget med stark syra regleras att vara i 30 storleksklassen 40-70 g/l.
Priority Applications (16)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20090251A FI121713B (sv) | 2009-06-26 | 2009-06-26 | Förfarande för upplösning av kalkopyritkoncentrat |
| US13/380,023 US20120103827A1 (en) | 2009-06-26 | 2010-06-10 | Method for leaching chalcopyrite concentration |
| PL10791667T PL2449139T3 (pl) | 2009-06-26 | 2010-06-10 | Sposób ługowania koncentratu chalkopirytu |
| PE2011002167A PE20121078A1 (es) | 2009-06-26 | 2010-06-10 | Metodo para lixiviar un concentrado de calcopirita |
| BRPI1013501-4A BRPI1013501B1 (pt) | 2009-06-26 | 2010-06-10 | Method for calcopirite concentrate leaching |
| EP10791667.8A EP2449139B1 (en) | 2009-06-26 | 2010-06-10 | Method for leaching chalcopyrite concentrate |
| MX2011013483A MX347485B (es) | 2009-06-26 | 2010-06-10 | Método para la lixiviación de concentrado de calcopirita. |
| CA2765926A CA2765926C (en) | 2009-06-26 | 2010-06-10 | Method for leaching chalcopyrite concentrate |
| AU2010264622A AU2010264622B2 (en) | 2009-06-26 | 2010-06-10 | Method for leaching chalcopyrite concentrate |
| ES10791667.8T ES2617148T3 (es) | 2009-06-26 | 2010-06-10 | Método para lixiviar concentrado de calcopirita |
| CN201080028321.2A CN102803524B (zh) | 2009-06-26 | 2010-06-10 | 黄铜矿精矿的浸取方法 |
| PCT/FI2010/050484 WO2010149841A1 (en) | 2009-06-26 | 2010-06-10 | Method for leaching chalcopyrite concentrate |
| EA201290017A EA023157B1 (ru) | 2009-06-26 | 2010-06-10 | Способ выщелачивания халькопиритового концентрата |
| US13/316,422 US20120129063A1 (en) | 2004-10-28 | 2011-12-09 | Flow arrangement for fuel cell stacks |
| CL2011003269A CL2011003269A1 (es) | 2009-06-26 | 2011-12-22 | Método para lixiviar concentrado de calcopirita con solución acuosa de h2so4 que lixivia en contracorriente en dos etapas partículas de concentrado de tamaño 80% bajo 60-100 µm con ácido de concentración de 5-15 g/l, la solución de lixiviación sale de lixiviación con ácido de concentración de 40-70 g/l y forma solución de cu2so4 y lixiviación de residuo con ácido de concentración de 20-90 g/l. |
| ZA2012/00612A ZA201200612B (en) | 2009-06-26 | 2012-01-25 | Method for leaching chalcopyrite concentrate |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20090251A FI121713B (sv) | 2009-06-26 | 2009-06-26 | Förfarande för upplösning av kalkopyritkoncentrat |
| FI20090251 | 2009-06-26 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI20090251A0 FI20090251A0 (sv) | 2009-06-26 |
| FI20090251A FI20090251A (sv) | 2010-12-27 |
| FI121713B true FI121713B (sv) | 2011-03-15 |
Family
ID=40825303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI20090251A FI121713B (sv) | 2004-10-28 | 2009-06-26 | Förfarande för upplösning av kalkopyritkoncentrat |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US20120103827A1 (sv) |
| EP (1) | EP2449139B1 (sv) |
| CN (1) | CN102803524B (sv) |
| AU (1) | AU2010264622B2 (sv) |
| BR (1) | BRPI1013501B1 (sv) |
| CA (1) | CA2765926C (sv) |
| CL (1) | CL2011003269A1 (sv) |
| EA (1) | EA023157B1 (sv) |
| ES (1) | ES2617148T3 (sv) |
| FI (1) | FI121713B (sv) |
| MX (1) | MX347485B (sv) |
| PE (1) | PE20121078A1 (sv) |
| PL (1) | PL2449139T3 (sv) |
| WO (1) | WO2010149841A1 (sv) |
| ZA (1) | ZA201200612B (sv) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013068645A1 (en) | 2011-11-08 | 2013-05-16 | Outotec Oyj | Method for leaching a sulphidic metal concentrate |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150211092A1 (en) * | 2012-11-12 | 2015-07-30 | Flsmidth A/S | Method and process for the enhanced leaching of copper sulfide minerals containing chalcopyrite |
| US9255308B2 (en) | 2014-06-06 | 2016-02-09 | Soluciones Tecnológicas Mineras Coriolis Limitada | Methods of copper extraction |
| CN105063351B (zh) * | 2015-09-22 | 2017-10-27 | 北京矿冶研究总院 | 一种从复杂钼精矿中选择性分离铜铼的方法 |
| CN108118157B (zh) * | 2017-12-30 | 2019-04-12 | 北京工业大学 | 线路板焚烧烟灰预处理及溴的回收方法 |
| EP3899070B1 (en) * | 2018-12-21 | 2022-10-12 | Umicore | Process for the recovery of metals from polymetallic nodules |
| WO2020142856A1 (es) * | 2019-01-11 | 2020-07-16 | Compañia Minera Pargo Minerals Spa | Proceso de obtención de sulfato de cobre pentahidratado |
| WO2020142855A1 (es) * | 2019-01-11 | 2020-07-16 | Compañía Minera Pargo Minerals Spa | Planta para la obtención de sulfato de cobre pentahidratato |
| CN115772607A (zh) * | 2022-12-12 | 2023-03-10 | 昆明理工大学 | 一种利用超声强化配位剂高效浸出黄铜矿的方法 |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1857494A (en) * | 1925-10-06 | 1932-05-10 | Carson George Campbell | Method and means for treating sulphide ores and the production of sulphuric acid thereby |
| DE895530C (de) * | 1942-04-15 | 1953-11-02 | Guaranty Invest Corp Ltd | Verfahren zur Verarbeitung von sulfidischen Erzen |
| US2424866A (en) * | 1942-04-15 | 1947-07-29 | Marvin J Udy | Process for the treatment of matte to recover metallic salts |
| US3241950A (en) * | 1963-02-13 | 1966-03-22 | Sherritt Gordon Mines Ltd | Aqueous acid oxidation of copper bearing mineral sulphides |
| US3891522A (en) * | 1972-02-28 | 1975-06-24 | Cominco Ltd | Hydrometallurgical process for treating copper-iron sulphides |
| US3888748A (en) * | 1972-06-28 | 1975-06-10 | Du Pont | Recovery of metal values from ore concentrates |
| US3868439A (en) * | 1973-02-09 | 1975-02-25 | Univ Utah | Method of increasing copper production |
| GB1598454A (en) * | 1977-03-15 | 1981-09-23 | Sherritt Gordon Mines Ltd | Leaching of metal sulphides |
| US4256553A (en) * | 1980-01-23 | 1981-03-17 | Envirotech Corporation | Recovering copper from chalcopyrite concentrate |
| US5250273A (en) * | 1990-01-18 | 1993-10-05 | Canadian Liquid Air Ltd - Air Liquide Canada Ltee | Hydrometallurgical leaching process and apparatus |
| CN1085959A (zh) * | 1992-10-22 | 1994-04-27 | 云南师范大学 | 一种氧化铜矿湿法制取氧化铜的方法 |
| AUPN191395A0 (en) * | 1995-03-22 | 1995-04-27 | M.I.M. Holdings Limited | Atmospheric mineral leaching process |
| AUPN564695A0 (en) * | 1995-09-27 | 1995-10-19 | Tioxide Australia Pty. Ltd. | Process and apparatus for extracting metal |
| US6319389B1 (en) * | 1999-11-24 | 2001-11-20 | Hydromet Systems, L.L.C. | Recovery of copper values from copper ores |
| WO2005118894A1 (en) * | 2004-06-03 | 2005-12-15 | The University Of British Columbia | Leaching process for copper concentrates |
| FI118473B (sv) * | 2006-02-17 | 2007-11-30 | Outotec Oyj | Förfarande för att utvinna koppar ur kopparsulfidmalm |
-
2009
- 2009-06-26 FI FI20090251A patent/FI121713B/sv active IP Right Grant
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2010
- 2010-06-10 CA CA2765926A patent/CA2765926C/en active Active
- 2010-06-10 PL PL10791667T patent/PL2449139T3/pl unknown
- 2010-06-10 MX MX2011013483A patent/MX347485B/es active IP Right Grant
- 2010-06-10 ES ES10791667.8T patent/ES2617148T3/es active Active
- 2010-06-10 CN CN201080028321.2A patent/CN102803524B/zh active Active
- 2010-06-10 EP EP10791667.8A patent/EP2449139B1/en active Active
- 2010-06-10 PE PE2011002167A patent/PE20121078A1/es active IP Right Grant
- 2010-06-10 EA EA201290017A patent/EA023157B1/ru not_active IP Right Cessation
- 2010-06-10 AU AU2010264622A patent/AU2010264622B2/en active Active
- 2010-06-10 WO PCT/FI2010/050484 patent/WO2010149841A1/en active Application Filing
- 2010-06-10 BR BRPI1013501-4A patent/BRPI1013501B1/pt not_active IP Right Cessation
- 2010-06-10 US US13/380,023 patent/US20120103827A1/en not_active Abandoned
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2011
- 2011-12-22 CL CL2011003269A patent/CL2011003269A1/es unknown
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013068645A1 (en) | 2011-11-08 | 2013-05-16 | Outotec Oyj | Method for leaching a sulphidic metal concentrate |
| US9359657B2 (en) | 2011-11-08 | 2016-06-07 | Outotec Oyj | Method for leaching a sulphidic metal concentrate |
Also Published As
| Publication number | Publication date |
|---|---|
| MX2011013483A (es) | 2012-01-31 |
| AU2010264622B2 (en) | 2013-07-11 |
| FI20090251A0 (sv) | 2009-06-26 |
| CA2765926C (en) | 2015-11-17 |
| WO2010149841A1 (en) | 2010-12-29 |
| US20120103827A1 (en) | 2012-05-03 |
| ZA201200612B (en) | 2012-10-31 |
| EP2449139B1 (en) | 2016-11-23 |
| ES2617148T3 (es) | 2017-06-15 |
| CA2765926A1 (en) | 2010-12-29 |
| CL2011003269A1 (es) | 2012-07-13 |
| AU2010264622A2 (en) | 2012-02-16 |
| EP2449139A4 (en) | 2015-09-23 |
| AU2010264622A1 (en) | 2012-02-02 |
| BRPI1013501A2 (pt) | 2016-04-05 |
| EA023157B1 (ru) | 2016-04-29 |
| EP2449139A1 (en) | 2012-05-09 |
| CN102803524B (zh) | 2015-08-19 |
| EA201290017A1 (ru) | 2012-07-30 |
| PL2449139T3 (pl) | 2017-06-30 |
| PE20121078A1 (es) | 2012-08-29 |
| FI20090251A (sv) | 2010-12-27 |
| MX347485B (es) | 2017-04-28 |
| CN102803524A (zh) | 2012-11-28 |
| BRPI1013501B1 (pt) | 2017-12-12 |
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