EP0276215A1 - Procede d'extraction de metaux precieux a partir de concentres de minerai. - Google Patents
Procede d'extraction de metaux precieux a partir de concentres de minerai.Info
- Publication number
- EP0276215A1 EP0276215A1 EP86905719A EP86905719A EP0276215A1 EP 0276215 A1 EP0276215 A1 EP 0276215A1 EP 86905719 A EP86905719 A EP 86905719A EP 86905719 A EP86905719 A EP 86905719A EP 0276215 A1 EP0276215 A1 EP 0276215A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- silicate
- gold
- carbon
- silver
- concentrates
- 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.)
- Granted
Links
- 239000012141 concentrate Substances 0.000 title claims abstract description 67
- 238000000034 method Methods 0.000 title claims description 34
- 230000008569 process Effects 0.000 title claims description 20
- 239000010970 precious metal Substances 0.000 title abstract description 12
- 239000010931 gold Substances 0.000 claims abstract description 49
- 229910052737 gold Inorganic materials 0.000 claims abstract description 47
- 229910052964 arsenopyrite Inorganic materials 0.000 claims abstract description 44
- MJLGNAGLHAQFHV-UHFFFAOYSA-N arsenopyrite Chemical compound [S-2].[Fe+3].[As-] MJLGNAGLHAQFHV-UHFFFAOYSA-N 0.000 claims abstract description 41
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims abstract description 40
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 37
- 229910052709 silver Inorganic materials 0.000 claims abstract description 37
- 239000004332 silver Substances 0.000 claims abstract description 34
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims abstract description 33
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 31
- 238000002386 leaching Methods 0.000 claims abstract description 30
- 229910052785 arsenic Inorganic materials 0.000 claims abstract description 26
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052742 iron Inorganic materials 0.000 claims abstract description 20
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 claims abstract description 19
- 230000001590 oxidative effect Effects 0.000 claims abstract description 17
- 229910052799 carbon Inorganic materials 0.000 claims description 38
- 239000000126 substance Substances 0.000 claims description 35
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 33
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 21
- 229910052760 oxygen Inorganic materials 0.000 claims description 21
- 239000001301 oxygen Substances 0.000 claims description 21
- 230000029087 digestion Effects 0.000 claims description 19
- 229910052683 pyrite Inorganic materials 0.000 claims description 19
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 claims description 19
- 239000011028 pyrite Substances 0.000 claims description 19
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 18
- 229910000510 noble metal Inorganic materials 0.000 claims description 14
- 230000035484 reaction time Effects 0.000 claims description 14
- 238000000605 extraction Methods 0.000 claims description 12
- 238000000227 grinding Methods 0.000 claims description 11
- 230000005021 gait Effects 0.000 claims description 10
- 238000001556 precipitation Methods 0.000 claims description 5
- 238000000184 acid digestion Methods 0.000 claims description 4
- YPFNIPKMNMDDDB-UHFFFAOYSA-K 2-[2-[bis(carboxylatomethyl)amino]ethyl-(2-hydroxyethyl)amino]acetate;iron(3+) Chemical compound [Fe+3].OCCN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O YPFNIPKMNMDDDB-UHFFFAOYSA-K 0.000 claims description 2
- 239000003575 carbonaceous material Substances 0.000 claims 2
- 238000010438 heat treatment Methods 0.000 claims 2
- 238000001179 sorption measurement Methods 0.000 abstract description 6
- 238000007704 wet chemistry method Methods 0.000 abstract description 5
- 238000005262 decarbonization Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 15
- 239000007787 solid Substances 0.000 description 11
- 229910004298 SiO 2 Inorganic materials 0.000 description 10
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 9
- 238000000926 separation method Methods 0.000 description 8
- 229910052717 sulfur Inorganic materials 0.000 description 8
- 239000011593 sulfur Substances 0.000 description 8
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 7
- 238000005188 flotation Methods 0.000 description 7
- 239000007788 liquid Substances 0.000 description 7
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 5
- 229910052500 inorganic mineral Inorganic materials 0.000 description 5
- 239000011707 mineral Substances 0.000 description 5
- 230000009466 transformation Effects 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 238000002441 X-ray diffraction Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000004090 dissolution Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- DJHGAFSJWGLOIV-UHFFFAOYSA-K Arsenate3- Chemical class [O-][As]([O-])([O-])=O DJHGAFSJWGLOIV-UHFFFAOYSA-K 0.000 description 2
- -1 arsenic sulfides Chemical class 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- BMWMWYBEJWFCJI-UHFFFAOYSA-K iron(3+);trioxido(oxo)-$l^{5}-arsane Chemical compound [Fe+3].[O-][As]([O-])([O-])=O BMWMWYBEJWFCJI-UHFFFAOYSA-K 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- 150000004760 silicates Chemical class 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000000844 transformation Methods 0.000 description 2
- 241000416536 Euproctis pseudoconspersa Species 0.000 description 1
- MBMLMWLHJBBADN-UHFFFAOYSA-N Ferrous sulfide Chemical class [Fe]=S MBMLMWLHJBBADN-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- VETKVGYBAMGARK-UHFFFAOYSA-N arsanylidyneiron Chemical compound [As]#[Fe] VETKVGYBAMGARK-UHFFFAOYSA-N 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000009853 pyrometallurgy Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- MNWBNISUBARLIT-UHFFFAOYSA-N sodium cyanide Chemical compound [Na+].N#[C-] MNWBNISUBARLIT-UHFFFAOYSA-N 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- DHCDFWKWKRSZHF-UHFFFAOYSA-L thiosulfate(2-) Chemical compound [O-]S([S-])(=O)=O DHCDFWKWKRSZHF-UHFFFAOYSA-L 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
-
- 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
- C22B11/00—Obtaining noble metals
- C22B11/08—Obtaining noble metals by cyaniding
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT86905719T ATE54675T1 (de) | 1985-09-23 | 1986-09-18 | Verfahren zur gewinnung von edelmetallen aus erzkonzentraten. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3534224 | 1985-09-23 | ||
DE19853534224 DE3534224A1 (de) | 1985-09-23 | 1985-09-23 | Verfahren zur nasschemischen gewinnung von edelmetallen aus kohlenstoffhaltigen arsenopyritkonzentraten |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0276215A1 true EP0276215A1 (fr) | 1988-08-03 |
EP0276215B1 EP0276215B1 (fr) | 1990-07-18 |
Family
ID=6281920
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP86905719A Expired - Lifetime EP0276215B1 (fr) | 1985-09-23 | 1986-09-18 | Procede d'extraction de metaux precieux a partir de concentres de minerai |
Country Status (13)
Country | Link |
---|---|
US (1) | US4786323A (fr) |
EP (1) | EP0276215B1 (fr) |
CN (1) | CN1008447B (fr) |
AU (1) | AU595236B2 (fr) |
BR (1) | BR8604560A (fr) |
CA (1) | CA1277143C (fr) |
DE (2) | DE3534224A1 (fr) |
ES (1) | ES2001981A6 (fr) |
GB (2) | GB8615067D0 (fr) |
PH (1) | PH23578A (fr) |
WO (1) | WO1987001733A1 (fr) |
ZA (1) | ZA867138B (fr) |
ZW (1) | ZW19186A1 (fr) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4923510A (en) * | 1988-10-31 | 1990-05-08 | Gopalan Ramadorai | Treatment of refractory carbonaceous sulfide ores for gold recovery |
DE4005026A1 (de) * | 1990-02-19 | 1991-08-22 | Gock Eberhard | Verfahren zur gewinnung von edelmetallen aus antimonverbindungen |
US5364453A (en) * | 1992-09-22 | 1994-11-15 | Geobiotics, Inc. | Method for recovering gold and other precious metals from carbonaceous ores |
US5338338A (en) * | 1992-09-22 | 1994-08-16 | Geobiotics, Inc. | Method for recovering gold and other precious metals from carbonaceous ores |
DE4400796A1 (de) * | 1994-01-13 | 1995-07-20 | Krupp Polysius Ag | Verfahren zur Gewinnung von Edelmetallen |
US5458866A (en) * | 1994-02-14 | 1995-10-17 | Santa Fe Pacific Gold Corporation | Process for preferentially oxidizing sulfides in gold-bearing refractory ores |
FI108543B (fi) * | 1999-08-12 | 2002-02-15 | Outokumpu Oy | Menetelmä epäpuhtauksien poistamiseksi sulfideja sisältävästä kultarikasteesta |
KR20050089867A (ko) * | 2002-12-31 | 2005-09-08 | 인텍 엘티디 | 함황 토질로부터 금속을 회수하는 방법 |
CN100372952C (zh) * | 2006-08-03 | 2008-03-05 | 山东国大黄金股份有限公司 | 含砷金精矿提金尾渣再提金银的方法 |
US8262768B2 (en) | 2007-09-17 | 2012-09-11 | Barrick Gold Corporation | Method to improve recovery of gold from double refractory gold ores |
US8262770B2 (en) | 2007-09-18 | 2012-09-11 | Barrick Gold Corporation | Process for controlling acid in sulfide pressure oxidation processes |
EA020884B1 (ru) * | 2007-09-18 | 2015-02-27 | Баррик Гольд Корпорейшн | Способ восстановления золота из тугоплавких сульфидных руд |
FI3290534T3 (fi) | 2010-11-22 | 2023-11-20 | Barrick Gold Corp | Jalometallia sisältävien materiaalien emäksinen ja hapan painehapetus |
CN102560138B (zh) * | 2012-01-11 | 2013-07-10 | 森松(江苏)海油工程装备有限公司 | 一种难浸金矿预处理方法 |
CN102925716A (zh) * | 2012-11-26 | 2013-02-13 | 云南黄金矿业集团股份有限公司 | 一种难处理金精矿加压水浸氧化预处理氰化提金方法 |
US10077487B2 (en) | 2013-05-29 | 2018-09-18 | Barrick Gold Corporation | Method for arsenic oxidation and removal from process and waste solutions |
CN103436711B (zh) * | 2013-08-22 | 2014-10-29 | 中南大学 | 一种富集氰化金泥中金的方法 |
CN106801147A (zh) * | 2017-01-22 | 2017-06-06 | 廖殷 | 黄金白银方术 |
CN112284959A (zh) * | 2020-10-15 | 2021-01-29 | 长春黄金研究院有限公司 | 金矿石产品中劫金物质影响金及硅酸盐包裹金的测定方法 |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1004001A (en) * | 1911-03-03 | 1911-09-26 | S D Hicks & Son | Seamless jacketed kettle. |
US1818846A (en) * | 1929-11-22 | 1931-08-11 | Stelle A Giles | Method of recovering gold and silver |
GB347680A (en) * | 1930-01-27 | 1931-04-27 | Henry William Coupe Annable | Process for separating gold and antimony contained in sulphide of antimony ores |
FR1058809A (fr) * | 1951-01-19 | 1954-03-19 | Chemical Construction Corp | Perfectionnements à la récupération de la teneur en métaux precieux des mineraiscontenant de l'arsenic et de leurs concentrats |
GB746521A (en) * | 1953-11-19 | 1956-03-14 | Quebec Metallurg Ind Ltd | Improvements in method of treating arsenical sulphide cobalt ores |
US2777764A (en) * | 1954-07-09 | 1957-01-15 | American Cyanamid Co | Process of recovering precious metals from refractory source materials |
US3642435A (en) * | 1969-11-10 | 1972-02-15 | Cyprus Mines Corp | Method of recovering water-soluble nonferrous metal sulfates from sulfur-bearing ores |
DE2047609A1 (en) * | 1970-09-28 | 1972-03-30 | Gerlach J | Crushing and leaching copper sulphide ores and concentrates - - using a ball mill and an oxidizing acid leaching treatment |
CA969764A (en) * | 1972-05-08 | 1975-06-24 | Charles E. O'neill | Aquecus oxidation of non-ferrous sulfide minerals |
FR2262698B1 (fr) * | 1974-02-28 | 1976-10-08 | Penarroya Miniere Metallurg | |
US4038362A (en) * | 1976-11-04 | 1977-07-26 | Newmont Explorations Limited | Increasing the recoverability of gold from carbonaceous gold-bearing ores |
DE2827912A1 (de) * | 1977-10-13 | 1979-04-19 | Simmering Graz Pauker Ag | Verfahren und vorrichtung zur herstellung aktivierter gemische mineralischer komponenten |
AT362289B (de) * | 1977-10-13 | 1981-04-27 | Simmering Graz Pauker Ag | Verfahren zur herstellung aktivierter gemische aus vorzugsweise pulverfoermigen komponenten, welche zur weiterbearbeitung durch pressen und nachfolgendes sintern bestimmt sind |
DE2827924B2 (de) * | 1977-10-13 | 1981-05-21 | Simmering-Graz-Pauker AG für Maschinen-, Kessel- und Waggonbau, Wien | Verfahren zur Aufbereitung flotierbarer Mineralien und Erze |
AT362292B (de) * | 1977-10-13 | 1981-04-27 | Simmering Graz Pauker Ag | Verfahren zur aktivierenden aufbereitung von keramischen, vorzugsweise grobkeramischen roh- stoffen |
US4259107A (en) * | 1979-12-13 | 1981-03-31 | Newmont Exploration Limited | Recovery of gold from sedimentary gold-bearing ores |
FR2483463A1 (fr) * | 1980-06-03 | 1981-12-04 | Salsigne Mines Produits Chimiq | Procede pour la recuperation d'or et/ou d'argent et eventuellement de bismuth contenus dans des minerais sulfures et/ou de sulfoarseniures |
SU914647A1 (ru) * | 1980-08-01 | 1982-03-23 | Univ Erevanskij | Способ переработки. мышьяксодержащих конверторных пылей и возгонов 1 |
FI62340C (fi) * | 1980-08-06 | 1982-12-10 | Outokumpu Oy | Foerfarande foer separering av guld och silver fraon komplexa sulfidmalmer och -koncentrat |
DE3036848C2 (de) * | 1980-09-30 | 1982-08-12 | Gewerkschaft Walter, 4300 Essen | Verfahren zur Gewinnung von Silber aus komplexverwachsenen Silbererzen |
CA1154599A (fr) * | 1980-09-30 | 1983-10-04 | John A. Thomas | Traitement hydrometallurgique de materiaux a teneur de metaux precieux |
DE3132668A1 (de) * | 1981-08-14 | 1983-03-03 | Eberhard Priv. Doz. Dr.-Ing. Gock | "verfahren zur herstellung von alkalifreiem manganrohstoff aus kryptomelanerzen" |
CA1219132A (fr) * | 1983-01-18 | 1987-03-17 | Morris J.V. Beattie | Traitement hydrometallurgique d'arsenopyrite |
ES523935A0 (es) * | 1983-07-07 | 1984-10-01 | Compania Espanola De Minas De | Procedimiento para recuperar metales valiosos de las cenizas de piritas normales y complejas |
CA1234291A (fr) * | 1984-09-27 | 1988-03-22 | Donald R. Weir | Extraction de l'or des matieres sulfureuses auriferes et refractaires a teneur de fer |
CA1235907A (fr) * | 1984-09-27 | 1988-05-03 | Donald R. Weir | Extraction de l'or des concentres refractaires sulfureux auriferes a teneur de fer |
CA1234991A (fr) * | 1984-09-27 | 1988-04-12 | Donald R. Weir | Extraction de l'or des minerais sulfureux auriferes et refractaires a teneur de fer |
US4578163A (en) * | 1984-12-03 | 1986-03-25 | Homestake Mining Company | Gold recovery process |
-
1985
- 1985-09-23 DE DE19853534224 patent/DE3534224A1/de not_active Withdrawn
-
1986
- 1986-06-20 GB GB868615067A patent/GB8615067D0/en active Pending
- 1986-09-16 ZW ZW191/86A patent/ZW19186A1/xx unknown
- 1986-09-18 WO PCT/DE1986/000383 patent/WO1987001733A1/fr active IP Right Grant
- 1986-09-18 DE DE8686905719T patent/DE3672838D1/de not_active Expired - Fee Related
- 1986-09-18 CA CA000518585A patent/CA1277143C/fr not_active Expired - Lifetime
- 1986-09-18 EP EP86905719A patent/EP0276215B1/fr not_active Expired - Lifetime
- 1986-09-19 PH PH34267A patent/PH23578A/en unknown
- 1986-09-19 AU AU62954/86A patent/AU595236B2/en not_active Ceased
- 1986-09-19 ZA ZA867138A patent/ZA867138B/xx unknown
- 1986-09-22 CN CN86107005A patent/CN1008447B/zh not_active Expired
- 1986-09-23 ES ES8602113A patent/ES2001981A6/es not_active Expired
- 1986-09-23 GB GB8622873A patent/GB2181421B/en not_active Expired
- 1986-09-23 US US06/910,519 patent/US4786323A/en not_active Expired - Fee Related
- 1986-09-23 BR BR8604560A patent/BR8604560A/pt not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO8701733A1 * |
Also Published As
Publication number | Publication date |
---|---|
AU595236B2 (en) | 1990-03-29 |
WO1987001733A1 (fr) | 1987-03-26 |
CN1008447B (zh) | 1990-06-20 |
GB2181421B (en) | 1989-11-29 |
GB8615067D0 (en) | 1986-07-23 |
ZA867138B (en) | 1987-05-27 |
PH23578A (en) | 1989-09-11 |
EP0276215B1 (fr) | 1990-07-18 |
DE3534224A1 (de) | 1987-04-02 |
BR8604560A (pt) | 1987-05-19 |
GB8622873D0 (en) | 1986-10-29 |
US4786323A (en) | 1988-11-22 |
CA1277143C (fr) | 1990-12-04 |
DE3672838D1 (de) | 1990-08-23 |
GB2181421A (en) | 1987-04-23 |
ES2001981A6 (es) | 1988-07-01 |
AU6295486A (en) | 1987-03-26 |
ZW19186A1 (en) | 1987-10-28 |
CN86107005A (zh) | 1987-09-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0276215B1 (fr) | Procede d'extraction de metaux precieux a partir de concentres de minerai | |
DE69400747T2 (de) | Hydrometallurgisches Verfahren zur Gewinnung von Metallen aus komplexenErzen | |
US4738718A (en) | Method for the recovery of gold using autoclaving | |
DE60015527T2 (de) | Verfahren zur Extraktion elementaren Schwefels aus Laugeresten der Sulfiderzbehandlung durch Destillation und Kondensation | |
EP0135950B1 (fr) | Procédé d'extraction de cuivre et éventuellement d'argent et d'or par lixiviation de matières oxydées et sulfurées au moyen de cyanures solubles dans l'eau | |
DE2357280A1 (de) | Verfahren zum extrahieren von zink aus eisenhaltigen zinkfuehrenden mineralischen sulfiden | |
DE2207382C2 (de) | Verfahren zur Gewinnung von Kupfer und elementarem Schwefel aus Kupfer-Eisen-Sulfiden | |
DE2257519B2 (de) | Verfahren zur Gewinnung von Edelmetallen | |
DE2602827C2 (de) | Verfahren zum Auflösen von Edelmetallen aus edelmetallhaltigen Konzentraten, die sekundäres Platinmetall enthalten | |
DE2446484C2 (de) | Verfahren zur Behandlung von Metallsulfiden mit einem Gehalt an Eisen und Nichteisen-Metallen, insbesondere Kupfer, zum Zweck der Ausscheidung des Eisengehalts und zur Umwandlung des Kupfers | |
DE2620659A1 (de) | Verfahren zur behandlung metallhaltiger zwischenprodukte | |
DE2323186C3 (de) | Verfahren zur Behandlung von feinverteilten, edelmetallhaltigen Sulfidmaterialien | |
DE2305518A1 (de) | Gewinnung von kupfer aus kupfersulfidhaltigen konzentraten | |
DE2239413A1 (de) | Nassmetallurgisches verfahren zur trennung von eisen und nickel | |
DE2845717A1 (de) | Wiedergewinnung wertvoller substanzen aus schwefelkiesabbrand | |
DE1792335C3 (de) | Verfahren zur Aufbereitung von Eisensulfiden | |
DE3407049A1 (de) | Verfahren zur hydrometallurgischen gewinnung von edelmetallen | |
DE3401961A1 (de) | Hydrometallurgische gewinnung von edelmetallen unter einsatz von thioharnstoff | |
DE2050947C (de) | Verfahren zur selektiven Abtrennung von Nichteisenmetallen aus diese enthaltenden Pyriterzen | |
DE2323129C3 (de) | Verfahren zur Behandlung von feinverteilten edelmetallhaltigen Sulfidmaterialien | |
DE2308792C3 (de) | Verfahren zur Behandlung von Metallsulfiden | |
DE1558399A1 (de) | Verfahren zur Gewinnung von Kupfer | |
DE1558431C (de) | Verfahren zur Behandlung von kupfer haltigen und eisenhaltigen Sulfiden | |
DE1558431B1 (de) | Verfahren zur Behandlung von kupferhaltigen und eisenhaltigen Sulfiden | |
DE2154294B2 (de) | Mehrstufiges verfahren zur vollstaendigen aufarbeitung komplexer metallegierungen aus eisen-basis |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 19870613 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE DE FR IT SE |
|
17Q | First examination report despatched |
Effective date: 19891004 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AT BE DE FR IT SE |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: BE Effective date: 19900718 |
|
REF | Corresponds to: |
Ref document number: 54675 Country of ref document: AT Date of ref document: 19900815 Kind code of ref document: T |
|
REF | Corresponds to: |
Ref document number: 3672838 Country of ref document: DE Date of ref document: 19900823 |
|
ITF | It: translation for a ep patent filed | ||
ET | Fr: translation filed | ||
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
26N | No opposition filed | ||
ITTA | It: last paid annual fee | ||
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: SE Payment date: 19920813 Year of fee payment: 7 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 19920815 Year of fee payment: 7 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 19920826 Year of fee payment: 7 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: AT Payment date: 19920903 Year of fee payment: 7 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: AT Effective date: 19930918 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SE Effective date: 19930919 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19940531 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Effective date: 19941001 |
|
EUG | Se: european patent has lapsed |
Ref document number: 86905719.0 Effective date: 19940410 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED. Effective date: 20050918 |