JP4188824B2 - 高温圧力浸出を使用する、改善された金属回収方法 - Google Patents
高温圧力浸出を使用する、改善された金属回収方法 Download PDFInfo
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- JP4188824B2 JP4188824B2 JP2003515692A JP2003515692A JP4188824B2 JP 4188824 B2 JP4188824 B2 JP 4188824B2 JP 2003515692 A JP2003515692 A JP 2003515692A JP 2003515692 A JP2003515692 A JP 2003515692A JP 4188824 B2 JP4188824 B2 JP 4188824B2
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- 229910052751 metal Inorganic materials 0.000 title claims description 110
- 239000002184 metal Substances 0.000 title claims description 110
- 238000002386 leaching Methods 0.000 title claims description 93
- 238000000034 method Methods 0.000 title claims description 86
- 238000011084 recovery Methods 0.000 title claims description 62
- 239000010949 copper Substances 0.000 claims description 99
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 98
- 229910052802 copper Inorganic materials 0.000 claims description 97
- 239000000463 material Substances 0.000 claims description 80
- 239000003795 chemical substances by application Substances 0.000 claims description 44
- 239000000047 product Substances 0.000 claims description 41
- 238000010899 nucleation Methods 0.000 claims description 34
- 238000006243 chemical reaction Methods 0.000 claims description 32
- 229910052737 gold Inorganic materials 0.000 claims description 26
- 239000010931 gold Substances 0.000 claims description 26
- 150000002739 metals Chemical class 0.000 claims description 26
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 25
- 239000007787 solid Substances 0.000 claims description 19
- 239000002253 acid Substances 0.000 claims description 17
- 229910000510 noble metal Inorganic materials 0.000 claims description 17
- 239000010970 precious metal Substances 0.000 claims description 12
- 229910052595 hematite Inorganic materials 0.000 claims description 11
- 239000011019 hematite Substances 0.000 claims description 11
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 claims description 11
- 230000006911 nucleation Effects 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 8
- 238000002425 crystallisation Methods 0.000 claims description 7
- 230000008025 crystallization Effects 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 239000006227 byproduct Substances 0.000 claims description 6
- 238000001556 precipitation Methods 0.000 claims description 5
- -1 Here Substances 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000005363 electrowinning Methods 0.000 claims 1
- 239000002002 slurry Substances 0.000 description 33
- 239000007788 liquid Substances 0.000 description 24
- 238000012545 processing Methods 0.000 description 16
- 238000000605 extraction Methods 0.000 description 13
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- 239000012141 concentrate Substances 0.000 description 10
- 230000003750 conditioning effect Effects 0.000 description 9
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- OMZSGWSJDCOLKM-UHFFFAOYSA-N copper(II) sulfide Chemical compound [S-2].[Cu+2] OMZSGWSJDCOLKM-UHFFFAOYSA-N 0.000 description 8
- 238000000926 separation method Methods 0.000 description 8
- 238000000638 solvent extraction Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- 239000003153 chemical reaction reagent Substances 0.000 description 6
- 239000003792 electrolyte Substances 0.000 description 6
- 238000007670 refining Methods 0.000 description 6
- 229910052709 silver Inorganic materials 0.000 description 6
- 239000004332 silver Substances 0.000 description 6
- 239000002826 coolant Substances 0.000 description 5
- 238000007333 cyanation reaction Methods 0.000 description 5
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- 239000000126 substance Substances 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 230000001143 conditioned effect Effects 0.000 description 4
- 239000012071 phase Substances 0.000 description 4
- 230000007928 solubilization Effects 0.000 description 4
- 238000005063 solubilization Methods 0.000 description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 229910052770 Uranium Inorganic materials 0.000 description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 229910052947 chalcocite Inorganic materials 0.000 description 3
- 229910017052 cobalt Inorganic materials 0.000 description 3
- 239000010941 cobalt Substances 0.000 description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- 229910052976 metal sulfide Inorganic materials 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000011733 molybdenum Substances 0.000 description 3
- 229910052750 molybdenum Inorganic materials 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 229910052761 rare earth metal Inorganic materials 0.000 description 3
- 150000002910 rare earth metals Chemical class 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 229910052702 rhenium Inorganic materials 0.000 description 3
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 239000002562 thickening agent Substances 0.000 description 3
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- 239000011701 zinc Substances 0.000 description 3
- 235000000177 Indigofera tinctoria Nutrition 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052951 chalcopyrite Inorganic materials 0.000 description 2
- DVRDHUBQLOKMHZ-UHFFFAOYSA-N chalcopyrite Chemical compound [S-2].[S-2].[Fe+2].[Cu+2] DVRDHUBQLOKMHZ-UHFFFAOYSA-N 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000000110 cooling liquid Substances 0.000 description 2
- BUGICWZUDIWQRQ-UHFFFAOYSA-N copper iron sulfane Chemical compound S.[Fe].[Cu] BUGICWZUDIWQRQ-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 229940097275 indigo Drugs 0.000 description 2
- COHYTHOBJLSHDF-UHFFFAOYSA-N indigo powder Natural products N1C2=CC=CC=C2C(=O)C1=C1C(=O)C2=CC=CC=C2N1 COHYTHOBJLSHDF-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- FZENGILVLUJGJX-NSCUHMNNSA-N (E)-acetaldehyde oxime Chemical compound C\C=N\O FZENGILVLUJGJX-NSCUHMNNSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 1
- 239000005751 Copper oxide Substances 0.000 description 1
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 1
- 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
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
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- 238000005119 centrifugation Methods 0.000 description 1
- 239000002738 chelating agent Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 229910001431 copper ion Inorganic materials 0.000 description 1
- 229910001779 copper mineral Inorganic materials 0.000 description 1
- BWFPGXWASODCHM-UHFFFAOYSA-N copper monosulfide Chemical class [Cu]=S BWFPGXWASODCHM-UHFFFAOYSA-N 0.000 description 1
- 229910000431 copper oxide Inorganic materials 0.000 description 1
- 229910000365 copper sulfate Inorganic materials 0.000 description 1
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
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- 150000002343 gold Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052935 jarosite Inorganic materials 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
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- 229910052569 sulfide mineral Inorganic materials 0.000 description 1
- 125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
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Classifications
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- 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
- 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
-
- 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
-
- 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
- C22B15/00—Obtaining copper
- C22B15/0063—Hydrometallurgy
- C22B15/0084—Treating solutions
- C22B15/0086—Treating solutions by physical methods
-
- 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
- C22B15/0084—Treating solutions
- C22B15/0089—Treating solutions by chemical methods
-
- 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
- C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
-
- 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
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- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Inorganic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacture And Refinement Of Metals (AREA)
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Description
このプロセスは一般に、金属保有物質から金属を回収するためのプロセスに関し、特に、酸化プロセス中に圧力浸出容器にシード剤が添加される、圧力浸出容器における高温圧力浸出を介して、銅および他の金属を回収するためのプロセスに関する。
精錬は、金属保有硫化物物質から金属(例えば、銅)を回収するための1つのアプローチである。精錬は費用が高いので、鉱体中の硫化金属物質は、浮遊選鉱技術によって最初に精鉱されて、精錬のためのより小さい容積を提供する。次いで、この精鉱は、精錬機に送られ、この精錬機は、この精鉱を乾式冶金によって高温で処理して、引き続いて非常に純粋な金属へと精製される粗製銅生成物を形成する。
本発明が先行技術の欠陥および欠点を扱う方法は、一般に、本発明の種々の局面に従って、以下により詳細に記載される。銅および他の価値のある金属を金属保有物質から回収するためのプロセスは、種々の反応および回収のプロセスを包含する。本発明の好ましい局面において、シード剤が、金属回収プロセス、より好ましくは圧力浸出プロセスに導入される。
本発明は、圧力浸出容器シーディングを企図する、金属回収プロセスに関する。一般に、貴金属保有物質は、シード剤が利用される圧力浸出プロセスに供される。次いで、貴金属は、種々の回収プロセスに従って回収および処理され得る。
Claims (12)
- 銅含有材料から金属を回収するためのプロセスであって、以下の工程:
銅含有材料を提供する工程;
該銅含有材料から少なくとも1つの金属を遊離する反応プロセスに、該銅含有材料を供する工程であって、ここで該反応プロセスが圧力浸出を含み、該反応プロセスから生成物を生じ、ここで少なくとも1つの金属が該生成物中に存在する工程;
該反応プロセスへと少なくとも1つのシード剤を加える工程であって、該シード剤が、該反応プロセスからの固体種の結晶化および/または成長のための核形成部位を形成し得、ここで該シード剤が赤鉄鉱である工程;および
該生成物から該少なくとも1つの金属を抽出する工程であって、ここで該少なくとも1つの金属が銅、金、またはそれらの混合物を含む工程
を包含する、プロセス。 - 前記シード剤が、前記反応プロセスからの残留物の少なくとも一部を含む、請求項1に記載の銅含有材料から金属を回収するためのプロセス。
- 前記反応プロセスからの前記残留物に存在する金属を、前記シード剤として該残留物を使用する前に回収する工程をさらに包含する、請求項2に記載の銅含有材料から金属を回収するためのプロセス。
- 前記シード剤が、前記反応プロセスの副生成物ではない、請求項1に記載の銅含有材料から金属を回収するためのプロセス。
- 電解採取を使用して、前記反応プロセスの前記生成物から前記金属を抽出する工程をさらに包含する、請求項1に記載の銅含有材料から金属を回収するためのプロセス。
- 前記反応プロセスが、170℃〜235℃の温度において圧力浸出する工程を包含する、請求項1に記載の銅含有材料から金属を回収するためのプロセス。
- 前記反応プロセスに銅含有材料を供する工程が、酸を生成し、そして、野積み浸出作業または攪拌浸出作業における該反応プロセスにより生成される酸の少なくとも一部を利用する工程をさらに包含する、請求項1に記載の銅含有材料から金属を回収するためのプロセス。
- 前記生成物から少なくとも1つの金属を抽出する工程が、該生成物から金を抽出する工程を包含する、請求項1に記載の銅含有材料から金属を回収するためのプロセス。
- 銅を含有する材料からの貴金属の回収のためのプロセスであって、該プロセスは、該銅を含有する材料を、該銅を含有する材料から銅を遊離する反応プロセスに供し、そして該貴金属を含む残留物を形成する工程を包含し、ここで該反応プロセスが圧力浸出を含み、そしてここで該貴金属が金を含み、
ここで、材料は、該反応プロセス中に存在するか、または反応プロセスにおいて生成され、該プロセスは、該反応プロセスを不動態化するか、または該貴金属をカプセル化するのいずれかにより、該残留物からの該貴金属の遅い遊離を防ぎ、
改良点として、シード剤を該反応プロセスに導入して、該反応プロセスの間に存在するかまたは該反応プロセスの間に生成される該材料が、該反応プロセスを不動態化するか、または該貴金属をカプセル化することを防ぐことを包含し、該シード剤が、該反応プロセスからの固体種の結晶化および/または成長のための核形成部位を形成し得、ここで該シード剤が赤鉄鉱である、プロセス。 - 前記シード剤が、鉄および他の金属沈殿生成物に対する核形成部位を形成し得る材料を含む、請求項9に記載の改良されたプロセス。
- 銅回収プロセスであって、該プロセスは、以下の工程:
(a) 銅および少なくとも1つの貴金属を含む銅含有材料を提供する工程;
(b) 該銅含有材料を、該銅を遊離する反応プロセスに供する工程であって、ここで該反応プロセスが圧力浸出を含み、該反応プロセスから生成物を生じ、ここで該生成物中に銅が存在する工程;
(c) シード剤を該反応プロセスに加えて、該反応プロセスが、該反応プロセスを不動態化するか、または該銅をカプセル化することを防ぎ、該シード剤が、該反応プロセスからの固体種の結晶化および/または成長のための核形成部位を形成し得る工程であって、ここで、該シード剤が赤鉄鉱である工程;
(d) 該反応プロセスの該生成物から銅を回収する工程、
を包含する、プロセス。 - (e)前記反応プロセスの前記生成物から、少なくとも1つの貴金属を回収する工程をさらに包含し、ここで該少なくとも1つの貴金属が金からなる、請求項11に記載のプロセス。
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PCT/US2002/023455 WO2003010345A1 (en) | 2001-07-25 | 2002-07-24 | Method for improving metals recovery using high temperature pressure leaching |
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US (5) | US6451088B1 (ja) |
EP (1) | EP1412545B1 (ja) |
JP (1) | JP4188824B2 (ja) |
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