DE3306506C2 - - Google Patents
Info
- Publication number
- DE3306506C2 DE3306506C2 DE3306506A DE3306506A DE3306506C2 DE 3306506 C2 DE3306506 C2 DE 3306506C2 DE 3306506 A DE3306506 A DE 3306506A DE 3306506 A DE3306506 A DE 3306506A DE 3306506 C2 DE3306506 C2 DE 3306506C2
- Authority
- DE
- Germany
- Prior art keywords
- zinc
- iron
- solution
- residue
- sulfuric acid
- 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.)
- Expired - Lifetime
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 122
- 239000011701 zinc Substances 0.000 claims description 92
- 229910052725 zinc Inorganic materials 0.000 claims description 89
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 87
- 239000000243 solution Substances 0.000 claims description 76
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 74
- 238000002386 leaching Methods 0.000 claims description 70
- 229910052742 iron Inorganic materials 0.000 claims description 60
- 239000000463 material Substances 0.000 claims description 56
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 55
- 229910052709 silver Inorganic materials 0.000 claims description 54
- 239000004332 silver Substances 0.000 claims description 54
- 239000002253 acid Substances 0.000 claims description 51
- 238000000034 method Methods 0.000 claims description 32
- 239000003513 alkali Substances 0.000 claims description 26
- WGEATSXPYVGFCC-UHFFFAOYSA-N zinc ferrite Chemical compound O=[Zn].O=[Fe]O[Fe]=O WGEATSXPYVGFCC-UHFFFAOYSA-N 0.000 claims description 22
- 229910001308 Zinc ferrite Inorganic materials 0.000 claims description 21
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 20
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 16
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 12
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000011787 zinc oxide Substances 0.000 claims description 8
- 230000001590 oxidative effect Effects 0.000 claims description 6
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 claims description 4
- 239000012670 alkaline solution Substances 0.000 claims description 3
- 150000002739 metals Chemical class 0.000 claims description 3
- 150000002506 iron compounds Chemical class 0.000 claims 4
- 239000011260 aqueous acid Substances 0.000 claims 1
- -1 silver metals Chemical class 0.000 claims 1
- 239000011133 lead Substances 0.000 description 45
- 239000012141 concentrate Substances 0.000 description 44
- 235000008504 concentrate Nutrition 0.000 description 44
- 238000005188 flotation Methods 0.000 description 35
- 239000002002 slurry Substances 0.000 description 24
- 238000000605 extraction Methods 0.000 description 18
- 239000007787 solid Substances 0.000 description 12
- 238000000926 separation method Methods 0.000 description 11
- 238000005868 electrolysis reaction Methods 0.000 description 10
- 238000001556 precipitation Methods 0.000 description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 9
- 238000006386 neutralization reaction Methods 0.000 description 9
- 229910052760 oxygen Inorganic materials 0.000 description 9
- 239000001301 oxygen Substances 0.000 description 9
- 230000007935 neutral effect Effects 0.000 description 8
- 235000011149 sulphuric acid Nutrition 0.000 description 8
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 description 8
- 230000002378 acidificating effect Effects 0.000 description 6
- 238000004090 dissolution Methods 0.000 description 6
- 239000011019 hematite Substances 0.000 description 6
- 229910052595 hematite Inorganic materials 0.000 description 6
- 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 6
- 239000013049 sediment Substances 0.000 description 6
- 239000003518 caustics Substances 0.000 description 5
- 229910052598 goethite Inorganic materials 0.000 description 5
- AEIXRCIKZIZYPM-UHFFFAOYSA-M hydroxy(oxo)iron Chemical compound [O][Fe]O AEIXRCIKZIZYPM-UHFFFAOYSA-M 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 229910052717 sulfur Inorganic materials 0.000 description 5
- 241000196324 Embryophyta Species 0.000 description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 4
- PIJPYDMVFNTHIP-UHFFFAOYSA-L lead sulfate Chemical compound [PbH4+2].[O-]S([O-])(=O)=O PIJPYDMVFNTHIP-UHFFFAOYSA-L 0.000 description 4
- 229910052976 metal sulfide Inorganic materials 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 239000005083 Zinc sulfide Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 239000011593 sulfur Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910052984 zinc sulfide Inorganic materials 0.000 description 3
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 229910052745 lead Inorganic materials 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 description 2
- 239000011028 pyrite Substances 0.000 description 2
- 229910052683 pyrite Inorganic materials 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- AOSFMYBATFLTAQ-UHFFFAOYSA-N 1-amino-3-(benzimidazol-1-yl)propan-2-ol Chemical compound C1=CC=C2N(CC(O)CN)C=NC2=C1 AOSFMYBATFLTAQ-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 235000017343 Quebracho blanco Nutrition 0.000 description 1
- 241000065615 Schinopsis balansae Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- XYXNTHIYBIDHGM-UHFFFAOYSA-N ammonium thiosulfate Chemical compound [NH4+].[NH4+].[O-]S([O-])(=O)=S XYXNTHIYBIDHGM-UHFFFAOYSA-N 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012527 feed solution Substances 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- 235000013980 iron oxide Nutrition 0.000 description 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
- LWUVWAREOOAHDW-UHFFFAOYSA-N lead silver Chemical compound [Ag].[Pb] LWUVWAREOOAHDW-UHFFFAOYSA-N 0.000 description 1
- JQJCSZOEVBFDKO-UHFFFAOYSA-N lead zinc Chemical compound [Zn].[Pb] JQJCSZOEVBFDKO-UHFFFAOYSA-N 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000000256 polyoxyethylene sorbitan monolaurate Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000012066 reaction slurry Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000004763 sulfides Chemical class 0.000 description 1
- DHCDFWKWKRSZHF-UHFFFAOYSA-N sulfurothioic S-acid Chemical compound OS(O)(=O)=S DHCDFWKWKRSZHF-UHFFFAOYSA-N 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000001238 wet grinding Methods 0.000 description 1
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 1
- 229960001763 zinc sulfate Drugs 0.000 description 1
- 229910000368 zinc sulfate Inorganic materials 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
- C22B19/00—Obtaining zinc or zinc oxide
- C22B19/20—Obtaining zinc otherwise than by distilling
- C22B19/22—Obtaining zinc otherwise than by distilling with leaching with acids
-
- 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
- C22B19/00—Obtaining zinc or zinc oxide
- C22B19/20—Obtaining zinc otherwise than by distilling
- C22B19/26—Refining solutions containing zinc values, e.g. obtained by leaching zinc ores
-
- 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
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8205495 | 1982-02-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3306506A1 DE3306506A1 (de) | 1983-09-08 |
| DE3306506C2 true DE3306506C2 (forum.php) | 1991-03-07 |
Family
ID=10528584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19833306506 Granted DE3306506A1 (de) | 1982-02-24 | 1983-02-24 | Verfahren zur zinkgewinnung aus zinkhaltigem sulfidischen material |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4440569A (forum.php) |
| JP (1) | JPS58164737A (forum.php) |
| AU (1) | AU552666B2 (forum.php) |
| BE (1) | BE896016A (forum.php) |
| CA (1) | CA1206008A (forum.php) |
| DE (1) | DE3306506A1 (forum.php) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19710529A1 (de) * | 1997-03-14 | 1998-09-17 | Ruhr Zink Gmbh | Verfahren zur Anreicherung von Silber oder anderen Wertmetallen durch Flotation aus einer Suspension, beispielsweise aus den Rückständen der Zinklaugung |
Families Citing this family (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1166022A (en) * | 1981-05-22 | 1984-04-24 | Donald R. Weir | Recovery of zinc from zinc containing sulphidic material |
| CA1212242A (en) * | 1982-07-27 | 1986-10-07 | Donald R. Weir | Recovery of zinc from zinc-containing sulphidic material |
| CA1216157A (en) * | 1982-09-29 | 1987-01-06 | Donald R. Weir | Process for separately recovering zinc and lead values from zinc and lead containing sulphidic ore |
| CA1206339A (en) * | 1983-03-29 | 1986-06-24 | Donald R. Weir | Recovery of cobalt and nickel from sulphidic material |
| LU85385A1 (fr) * | 1984-05-28 | 1986-01-29 | Mines Fond Zinc Vieille | Procede de lixiviation de sulfures contenant du zinc et du fer |
| US4610721A (en) * | 1985-01-31 | 1986-09-09 | Amax Inc. | Two-stage leaching process for steel plant dusts |
| GB8504364D0 (en) * | 1985-02-20 | 1985-03-20 | Univ Waterloo | Roasting zinc sulfide ores |
| CA1328353C (en) * | 1985-03-21 | 1994-04-12 | Donald W. Kirk | Recovery of zinc from zinc bearing sulphidic ores and concentrates by controlled oxidation roasting |
| US5019360A (en) * | 1987-11-24 | 1991-05-28 | Northern States Power Company | Method for the processing of fly ash, scrubber sludge and the like; and product |
| DE3935362A1 (de) * | 1989-10-24 | 1991-04-25 | Ruhr Zink Gmbh | Verfahren zur aufarbeitung von jarosit-haltigen rueckstaenden |
| US5096486A (en) * | 1990-12-13 | 1992-03-17 | Sunshine Precious Metals Incorporated | Treatment of metal bearing mineral material |
| FI93660C (fi) * | 1993-06-24 | 1995-05-10 | Outokumpu Eng Contract | Tapa liuottaa sinkkioksidia ja -silikaattia sisältävää materiaalia |
| WO1996005329A1 (en) * | 1994-08-15 | 1996-02-22 | R & O Mining Processing Ltd. | Hydrometallurgical conversion of zinc sulfide to sulfate from zinc sulfide containing ores and concentrates |
| GB9422476D0 (en) * | 1994-11-08 | 1995-01-04 | Sherritt Inc | Recovery of zinc from sulphidic concentrates |
| US6395242B1 (en) | 1999-10-01 | 2002-05-28 | Noranda Inc. | Production of zinc oxide from complex sulfide concentrates using chloride processing |
| US6843976B2 (en) | 2001-02-27 | 2005-01-18 | Noranda Inc. | Reduction of zinc oxide from complex sulfide concentrates using chloride processing |
| CN100348750C (zh) * | 2006-03-30 | 2007-11-14 | 中南大学 | 一种无铁渣湿法炼锌提铟及制取铁酸锌的方法 |
| KR101060934B1 (ko) * | 2008-12-23 | 2011-08-30 | 재단법인 포항산업과학연구원 | 이차 더스트를 이용한 고순도 산화아연의 제조방법 |
| WO2012140284A1 (es) * | 2011-04-15 | 2012-10-18 | Tam 5, S.L. | Metodo hidrometalúrgico para la recuperación de zinc en medio sulfúrico a partir de concentrados de zinc sulfurados |
| CN103266226B (zh) * | 2013-04-27 | 2014-08-20 | 中南大学 | 一种从含银锌精矿中提取银并提高锌精矿品质的方法 |
| CN103789556B (zh) * | 2014-01-10 | 2015-04-08 | 中南大学 | 一种加入硫酸铁焙烧-水浸回收含铁酸锌废渣中锌的方法 |
| CN105177301A (zh) * | 2015-08-28 | 2015-12-23 | 商洛学院 | 一种用于铅锌冶金炉炉渣回收提炼工艺 |
| CN105624426B (zh) * | 2015-12-30 | 2018-06-15 | 河南豫光锌业有限公司 | 一种湿法炼锌的高酸滤液还原方法 |
| CN105603211B (zh) * | 2016-01-26 | 2018-04-24 | 河北远大中正生物科技有限公司 | 一种酸浸渣中锌的回收工艺 |
| KR101889680B1 (ko) | 2018-02-01 | 2018-08-17 | 고려아연 주식회사 | 황산아연 용액으로부터 철을 회수하는 방법 |
| CN113122705A (zh) * | 2019-12-30 | 2021-07-16 | 有研资源环境技术研究院(北京)有限公司 | 一种强化浸出锌氧压渣中铁复相的方法 |
| PE20212358A1 (es) * | 2020-03-02 | 2021-12-21 | Arenas Julio Domingo Bonelli | Proceso hidrometalurgico para la extraccion simultanea de metales y yeso de los polvos de horno de arco electrico de acererias |
| CN114737064A (zh) * | 2022-03-17 | 2022-07-12 | 云南云铜锌业股份有限公司 | 一种湿法炼锌黄钾铁矾法 |
| KR102551098B1 (ko) * | 2022-11-03 | 2023-07-05 | 고려아연 주식회사 | 아연의 습식 제련 공법에서 염소를 제거하는 방법 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3143486A (en) * | 1960-12-05 | 1964-08-04 | Electrolyt Zinc Australasia | Recovery of zinc from zinc plant residue |
| GB1509537A (en) * | 1974-09-13 | 1978-05-04 | Cominco Ltd | Treatment of zinc plant residues |
| CA1049953A (en) * | 1975-10-22 | 1979-03-06 | Herbert Veltman | Two-stage pressure leaching process for zinc and iron bearing mineral sulphides |
| US4128617A (en) * | 1977-07-11 | 1978-12-05 | Newmont Exploration Limited | Treatment of zinc calcines for zinc recovery |
-
1983
- 1983-02-17 CA CA000421818A patent/CA1206008A/en not_active Expired
- 1983-02-22 US US06/468,740 patent/US4440569A/en not_active Expired - Lifetime
- 1983-02-22 AU AU11733/83A patent/AU552666B2/en not_active Ceased
- 1983-02-24 JP JP58028633A patent/JPS58164737A/ja active Granted
- 1983-02-24 BE BE0/210205A patent/BE896016A/fr not_active IP Right Cessation
- 1983-02-24 DE DE19833306506 patent/DE3306506A1/de active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19710529A1 (de) * | 1997-03-14 | 1998-09-17 | Ruhr Zink Gmbh | Verfahren zur Anreicherung von Silber oder anderen Wertmetallen durch Flotation aus einer Suspension, beispielsweise aus den Rückständen der Zinklaugung |
Also Published As
| Publication number | Publication date |
|---|---|
| CA1206008A (en) | 1986-06-17 |
| AU552666B2 (en) | 1986-06-12 |
| JPS58164737A (ja) | 1983-09-29 |
| AU1173383A (en) | 1983-09-01 |
| US4440569A (en) | 1984-04-03 |
| DE3306506A1 (de) | 1983-09-08 |
| JPH0237414B2 (forum.php) | 1990-08-24 |
| BE896016A (fr) | 1983-06-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE3306506C2 (forum.php) | ||
| DE69406132T2 (de) | Rückgewinnung von metallen aus sulfidischen materialien | |
| DE2647601C2 (de) | Verfahren zur Gewinnung von Zink aus zink- und eisenhaltigen Mineralsulfiden | |
| DE69803471T2 (de) | Von chloridionen unterstüzte hydrometallurgische extraktion von kupfer aus sulfiderzrohstoffen | |
| DE2540641C2 (de) | Verfahren zum Laugen von zinkferrithaltigen Rückständen | |
| DE2357280C2 (de) | Verfahren zur Gewinnung von Zink aus zink- und eisenhaltigen Sulfiden | |
| DE2559219A1 (de) | Verfahren zur gewinnung von nickel und kobalt auf nassem wege | |
| DE2917751A1 (de) | Verfahren zur gewinnung von kupfer aus hochtoxischem, arsenhaltigem flugstaub aus schmelzoefen und bzw. oder aus raffinerieschlaemmen | |
| DE3936055C2 (de) | Gewinnung von Metallanteilen und Fluorwasserstoffsäure aus tantal-niobhaltigem Abfallschlamm | |
| DE60220705T2 (de) | Verfahren zum aufarbeiten kupfer enthaltender molybdänkonzentrate | |
| DE3105445A1 (de) | Verfahren zur laugung von sulfidischen rohsteinen mit einem gehalt an eisen und nichteisenmetallen | |
| DE4112339A1 (de) | Verfahren zum herstellen von kupferarsenat | |
| EP0263539B1 (de) | Verfahren zur Aufarbeitung von Rückständen aus der hydrometallurgischen Zink-Gewinnung | |
| DE3122921C2 (de) | Verfahren zur Gewinnung von Wertmetallen aus Metall-Legierungen, dessen Hauptkomponente Eisen ist und die auch Phosphor und Arsen enthalten | |
| DE2914823C2 (forum.php) | ||
| DE2704775C3 (de) | Verfahren zur Entgiftung oder Sanierung von bei der Verarbeitung von Chromerzen anfallenden Abfallstoffen unter Verwendung von Sulfiden | |
| DE69914384T2 (de) | Verfahren und Anlage zur Aufarbeitung zinkhaltiger Abfälle mittels basischer Laugung | |
| DE3121668A1 (de) | Verfahren zur selektiven auslaugung von chlorid aus kupferoxidmineralien | |
| DE1533071B1 (de) | Verfahren zur Extraktion von Blei | |
| DE2111737B2 (de) | Verfahren zur Entfernung von dreiwertigem Eisen aus eisenhaltigen Lösungen | |
| DE2708543C3 (de) | Hydrometallurgisches Verfahren zur Aufarbeitung von Kupferzementatschlämmen | |
| DE2311242A1 (de) | Verfahren zur gewinnung von kupfer, zink oder nickel aus erzen | |
| DE2101072C3 (de) | Verfahren zur Gewinnung von Kadmium | |
| DE2820197C2 (de) | Verfahren zum Ausfällen von Eisen als ein Jarosit von niedrigem Nichteisenmetallgehalt | |
| DE866099C (de) | Verfahren zur elektrolytischen Raffination von Nickel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: SHERRITT INTERNATIONAL CONSULTANTS INC., FORT SASK |
|
| 8339 | Ceased/non-payment of the annual fee |