KR20030059326A - 철의 가수분해 석출방법 - Google Patents
철의 가수분해 석출방법 Download PDFInfo
- Publication number
- KR20030059326A KR20030059326A KR10-2003-7007661A KR20037007661A KR20030059326A KR 20030059326 A KR20030059326 A KR 20030059326A KR 20037007661 A KR20037007661 A KR 20037007661A KR 20030059326 A KR20030059326 A KR 20030059326A
- Authority
- KR
- South Korea
- Prior art keywords
- iron
- zinc
- solution
- precipitation
- leaching
- Prior art date
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 153
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 72
- 238000001556 precipitation Methods 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 41
- 230000003301 hydrolyzing effect Effects 0.000 title claims abstract description 5
- 229910052935 jarosite Inorganic materials 0.000 claims abstract description 21
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 8
- 239000001301 oxygen Substances 0.000 claims abstract description 8
- 239000007789 gas Substances 0.000 claims abstract description 6
- 229910052700 potassium Inorganic materials 0.000 claims abstract description 6
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 6
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims abstract description 5
- 238000002386 leaching Methods 0.000 claims description 45
- 239000011701 zinc Substances 0.000 claims description 36
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 35
- 229910052725 zinc Inorganic materials 0.000 claims description 35
- 239000002244 precipitate Substances 0.000 claims description 22
- 229910000859 α-Fe Inorganic materials 0.000 claims description 22
- 230000007935 neutral effect Effects 0.000 claims description 21
- 238000006386 neutralization reaction Methods 0.000 claims description 17
- 239000002253 acid Substances 0.000 claims description 13
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 12
- 239000012141 concentrate Substances 0.000 claims description 10
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 claims description 9
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 9
- 238000011084 recovery Methods 0.000 claims description 8
- 239000011734 sodium Substances 0.000 claims description 8
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims description 7
- 229960001763 zinc sulfate Drugs 0.000 claims description 7
- 229910000368 zinc sulfate Inorganic materials 0.000 claims description 7
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 6
- 238000005868 electrolysis reaction Methods 0.000 claims description 6
- 229910052733 gallium Inorganic materials 0.000 claims description 5
- 229910052738 indium Inorganic materials 0.000 claims description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 4
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052732 germanium Inorganic materials 0.000 claims description 4
- 230000007062 hydrolysis Effects 0.000 claims description 4
- 238000006460 hydrolysis reaction Methods 0.000 claims description 4
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims description 4
- 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 claims description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 3
- -1 ammonium ions Chemical class 0.000 claims description 3
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims description 3
- 239000011591 potassium Substances 0.000 claims description 3
- 239000003513 alkali Substances 0.000 claims description 2
- 238000000151 deposition Methods 0.000 claims description 2
- 229910021653 sulphate ion Inorganic materials 0.000 claims description 2
- 150000002500 ions Chemical class 0.000 abstract description 4
- 239000000243 solution Substances 0.000 description 58
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 22
- 238000006722 reduction reaction Methods 0.000 description 11
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical group [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 8
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 239000010970 precious metal Substances 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 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000003472 neutralizing effect Effects 0.000 description 4
- 239000011787 zinc oxide Substances 0.000 description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 229910052595 hematite Inorganic materials 0.000 description 3
- 239000011019 hematite Substances 0.000 description 3
- 239000011133 lead Substances 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910001308 Zinc ferrite Inorganic materials 0.000 description 2
- 239000005083 Zinc sulfide Substances 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052598 goethite Inorganic materials 0.000 description 2
- AEIXRCIKZIZYPM-UHFFFAOYSA-M hydroxy(oxo)iron Chemical compound [O][Fe]O AEIXRCIKZIZYPM-UHFFFAOYSA-M 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- WGEATSXPYVGFCC-UHFFFAOYSA-N zinc ferrite Chemical compound O=[Zn].O=[Fe]O[Fe]=O WGEATSXPYVGFCC-UHFFFAOYSA-N 0.000 description 2
- 229910052984 zinc sulfide Inorganic materials 0.000 description 2
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 description 2
- 229910002588 FeOOH Inorganic materials 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- KFZAUHNPPZCSCR-UHFFFAOYSA-N iron zinc Chemical compound [Fe].[Zn] KFZAUHNPPZCSCR-UHFFFAOYSA-N 0.000 description 1
- 229910021506 iron(II) hydroxide Inorganic materials 0.000 description 1
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- UGZADUVQMDAIAO-UHFFFAOYSA-L zinc hydroxide Chemical compound [OH-].[OH-].[Zn+2] UGZADUVQMDAIAO-UHFFFAOYSA-L 0.000 description 1
- 229910021511 zinc hydroxide Inorganic materials 0.000 description 1
- 229940007718 zinc hydroxide 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
- 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
- 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
-
- 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
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/44—Treatment or purification of solutions, e.g. obtained by leaching by chemical processes
-
- 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)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Iron (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Electrolytic Production Of Metals (AREA)
- Manufacture Of Iron (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Chemical Treatment Of Metals (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Coloring Foods And Improving Nutritive Qualities (AREA)
- Basic Packing Technique (AREA)
Abstract
Description
Claims (10)
- 중성침출, 페라이트 침출, 아연 전기분해 및 철석출 단계를 포함하는 아연칼신으로부터의 회수공정에서 아연회수와 관련하여 황산염을 함유하는 용액으로부터 철을 자로사이트로서 가수분해 석출하는 방법에 있어서,칼신에 함유된 페라이트를 아연 전기분해의 순환 산으로 침출한 후, 침출에서 발생하는 제2철을 제1철의 형태로 환원시키고 중화하며,철석출 단계에서 산소-함유가스, 나트륨, 칼륨 또는 상기 단계에서 존재하는 암모늄이온 및 자로사이트 핵을 사용하여 중화된 제1철을 3가의 형태로 산화시키고, 석출단계의 온도는 거의 상기 용액의 끊는점인 것을 특징으로 하는 철의 가수분해 석출방법.
- 제 1 항에 있어서, 아연정광을 사용하여 상기 제2철을 환원하는 것을 특징으로 하는 방법.
- 제 1 항에 있어서, 이산화황을 사용하여 상기 제2철을 환원하는 것을 특징으로 하는 방법.
- 제 1 항에 있어서, 페라이트 침출단계에 첨가되는 아연정광을 사용하여 상기 제2철의 환원을 실시하는 것을 특징으로 하는 방법.
- 제 1 항에 있어서, 아연 황산염을 함유하는 용액에 함유된 제1철을 아연칼신으로 중화하는 것을 특징으로 하는 방법.
- 제 1 항에 있어서, 아연 황산염을 함유하는 용액에 함유된 제1철을, 아연칼신의 2 단계 중성침출 중 제 2 단계로 상기 용액을 보냄으로써 중화하는 것을 특징으로하는 방법.
- 제 1 항에 있어서, 아연 황산염을 함유하는 용액에 함유된 제1철을 적어도 pH 4 의 농도로 중화하여 갈륨, 인듐 및 게르마늄을 석출하는 것을 특징으로 하는 방법.
- 아연회수와 관련하여 황산염-함유 용액으로부터 철을 자로사이트로서 가수분해 석출하는 방법으로서, 아연칼신이 2 단계 중성침출에서 침출되고, 형성된 아연 황산염 용액을 전기분해하고 용해되지 않은 잔여 페라이트를 페라이트 침출단계에서 전기분해의 순환 산으로 침출시키는 철의 가수분해 석출방법에 있어서,페라이트 침출에서 용해된 제2철을 2가의 형태로 환원시킨후, 형성된 석출물을 아연배소기로 보내고 용액은 중성침출의 제 2 단계로 보내며, 제 2 단계에서는 제 1 중성침출 단계에서의 잔류물을 사용하여 용액을 중화시키며, 제 2 중화단계로부터의 잔류물을 페라이트 침출로 보내고 중화된 용액은 철석출 단계로 보내며, 이철석출 단계에서는 산소, 알칼리 또는 암모늄 이온과 자로사이트 핵의 존재하에서 철을 자로사이트로서 석출시키는 것을 특징으로 하는 철의 가수분해 석출방법.
- 제 8 항에 있어서, 아연정광을 사용하여 상기 제2철을 환원하는 것을 특징으로 하는 방법.
- 제 8 항에 있어서, 이산화황을 사용하여 상기 제2철을 환원하는 것을 특징으로 하는 방법.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20002699A FI20002699A0 (fi) | 2000-12-08 | 2000-12-08 | Menetelmä raudan hydrolyyttiseksi saostamiseksi |
FI20002699 | 2000-12-08 | ||
PCT/FI2001/001065 WO2002046481A1 (en) | 2000-12-08 | 2001-12-07 | Method for the hydrolytic precitpitation of iron |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030059326A true KR20030059326A (ko) | 2003-07-07 |
KR100845169B1 KR100845169B1 (ko) | 2008-07-09 |
Family
ID=8559678
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020037007661A KR100845169B1 (ko) | 2000-12-08 | 2001-12-07 | 철의 가수분해 석출방법 |
Country Status (18)
Country | Link |
---|---|
US (1) | US7118719B2 (ko) |
EP (1) | EP1339883B1 (ko) |
JP (1) | JP4094949B2 (ko) |
KR (1) | KR100845169B1 (ko) |
CN (1) | CN1249257C (ko) |
AT (1) | ATE336595T1 (ko) |
AU (2) | AU1717102A (ko) |
BR (1) | BR0116028B1 (ko) |
CA (1) | CA2429889C (ko) |
DE (1) | DE60122370D1 (ko) |
EA (1) | EA005237B1 (ko) |
ES (1) | ES2269520T3 (ko) |
FI (1) | FI20002699A0 (ko) |
MX (1) | MXPA03005114A (ko) |
NO (1) | NO333462B1 (ko) |
PE (1) | PE20020807A1 (ko) |
WO (1) | WO2002046481A1 (ko) |
ZA (1) | ZA200304050B (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101021454B1 (ko) * | 2005-12-29 | 2011-03-15 | 오토텍 오와이제이 | 아연 침출 공정에서 희금속을 회수하는 방법 |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI116071B (fi) * | 2003-02-26 | 2005-09-15 | Outokumpu Oy | Menetelmä sinkin talteenottamiseksi vastavirtaliuotuksella |
FI20030612A (fi) * | 2003-04-23 | 2004-10-24 | Outokumpu Oy | Menetelmä metallurgisessa prosessissa syntyvän jätemateriaalin käsittelemiseksi |
WO2007079532A1 (en) * | 2006-01-10 | 2007-07-19 | Murrin Murrin Operations Pty Ltd | Hematite precipitation |
JP4961603B2 (ja) * | 2006-07-14 | 2012-06-27 | Dowaメタルマイン株式会社 | ガリウム含有溶液の処理方法 |
WO2008128278A2 (en) * | 2007-04-19 | 2008-10-30 | Metallica Minerals Ltd | Treatment of nickel-containing solutions |
CN102268559A (zh) | 2007-05-21 | 2011-12-07 | 奥贝特勘探Vspa有限公司 | 从铝土矿石中提取铝的工艺 |
FI122676B (fi) | 2010-10-12 | 2012-05-15 | Outotec Oyj | Menetelmä sinkkisulfaattipitoisen liuoksen käsittelemiseksi |
US9260767B2 (en) | 2011-03-18 | 2016-02-16 | Orbite Technologies Inc. | Processes for recovering rare earth elements from aluminum-bearing materials |
EA201370062A1 (ru) * | 2011-04-15 | 2013-11-29 | Там 5, С.Л. | Гидрометаллургический способ извлечения цинка из сернокислой среды, исходя из сульфидных цинковых концентратов |
JP5894262B2 (ja) | 2011-05-04 | 2016-03-23 | オーバイト アルミナ インコーポレイテッドOrbite Aluminae Inc. | 種々の鉱石から希土類元素を回収する方法 |
JP2014519468A (ja) | 2011-06-03 | 2014-08-14 | オーバイト アルミナ インコーポレイテッド | ヘマタイトの調製方法 |
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RU2579843C2 (ru) | 2012-01-10 | 2016-04-10 | Орбит Текнолоджис Инк. | Способы обработки красного шлама |
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BE673023A (ko) | 1965-04-30 | 1900-01-01 | ||
IE32587B1 (en) | 1968-11-20 | 1973-09-19 | Mines Fond Zinc Vieille | Improvements in or relating to valorization |
ES407811A2 (es) * | 1972-10-20 | 1976-02-01 | Asturiana De Zinc Sa | Un procedimiento de recuperacion de zinc de las ferritas existentes en residuos. |
US4042474A (en) * | 1973-08-02 | 1977-08-16 | Pako Corporation | Separating nickel, cobalt and chromium from iron in metallurgical products |
US4305914A (en) * | 1977-05-09 | 1981-12-15 | Electrolytic Zinc Company | Process for precipitating iron as jarosite with a low non-ferrous metal content |
US4128617A (en) * | 1977-07-11 | 1978-12-05 | Newmont Exploration Limited | Treatment of zinc calcines for zinc recovery |
CA1094326A (en) * | 1977-08-19 | 1981-01-27 | Verner B. Sefton | Process for the precipitation of iron as jarosite |
DE3935362A1 (de) * | 1989-10-24 | 1991-04-25 | Ruhr Zink Gmbh | Verfahren zur aufarbeitung von jarosit-haltigen rueckstaenden |
CA2104736A1 (en) | 1993-08-24 | 1995-02-25 | Lucy Rosato | Process for high extraction of zinc from zinc ferrites |
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FI100806B (fi) * | 1996-08-12 | 1998-02-27 | Outokumpu Base Metals Oy | Menetelmä sinkkirikasteen liuottamiseksi atmosfäärisissä olosuhteissa |
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KR101021454B1 (ko) * | 2005-12-29 | 2011-03-15 | 오토텍 오와이제이 | 아연 침출 공정에서 희금속을 회수하는 방법 |
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KR100845169B1 (ko) | 2008-07-09 |
PE20020807A1 (es) | 2002-10-02 |
US20040067183A1 (en) | 2004-04-08 |
BR0116028B1 (pt) | 2010-09-08 |
JP4094949B2 (ja) | 2008-06-04 |
CN1249257C (zh) | 2006-04-05 |
EA200300648A1 (ru) | 2003-12-25 |
AU1717102A (en) | 2002-06-18 |
CA2429889A1 (en) | 2002-06-13 |
EP1339883A1 (en) | 2003-09-03 |
FI20002699A0 (fi) | 2000-12-08 |
JP2004515439A (ja) | 2004-05-27 |
US7118719B2 (en) | 2006-10-10 |
CN1479793A (zh) | 2004-03-03 |
CA2429889C (en) | 2011-02-08 |
EP1339883B1 (en) | 2006-08-16 |
NO333462B1 (no) | 2013-06-17 |
EA005237B1 (ru) | 2004-12-30 |
AU2002217171B2 (en) | 2006-03-16 |
NO20032509L (no) | 2003-06-03 |
MXPA03005114A (es) | 2003-09-05 |
WO2002046481A1 (en) | 2002-06-13 |
BR0116028A (pt) | 2003-10-07 |
ES2269520T3 (es) | 2007-04-01 |
NO20032509D0 (no) | 2003-06-03 |
ATE336595T1 (de) | 2006-09-15 |
DE60122370D1 (de) | 2006-09-28 |
ZA200304050B (en) | 2004-02-19 |
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