NO133764B - - Google Patents

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Info

Publication number: NO133764B
Authority: NO; Norway
Prior art keywords: copper; solution; iron; digestion; sulphides
Prior art date: 1971-02-19

Application number

NO361/72A

Other languages

English (en)

Norwegian (no)

Other versions

NO133764C (fr

Inventor

D R Mckay

G M Swinkels

K R V Szarmes

Original Assignee

Cominco Ltd

Priority date (The priority date 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 date listed.)

1971-02-19

Filing date

1972-02-09

Publication date

1976-03-15

1972-02-09 Application filed by Cominco Ltd filed Critical Cominco Ltd

1976-03-15 Publication of NO133764B publication Critical patent/NO133764B/no

1976-06-23 Publication of NO133764C publication Critical patent/NO133764C/no

Links

RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 94
229910052802 copper Inorganic materials 0.000 claims abstract description 90
239000010949 copper Substances 0.000 claims abstract description 90
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 53
238000000034 method Methods 0.000 claims abstract description 51
238000000605 extraction Methods 0.000 claims abstract description 29
ROCOTSMCSXTPPU-UHFFFAOYSA-N copper sulfanylideneiron Chemical class [S].[Fe].[Cu] ROCOTSMCSXTPPU-UHFFFAOYSA-N 0.000 claims abstract description 8
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 146
229910052742 iron Inorganic materials 0.000 claims description 74
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 56
239000007787 solid Substances 0.000 claims description 50
238000007254 oxidation reaction Methods 0.000 claims description 45
230000003647 oxidation Effects 0.000 claims description 43
230000029087 digestion Effects 0.000 claims description 42
238000000926 separation method Methods 0.000 claims description 34
239000002253 acid Substances 0.000 claims description 33
238000006243 chemical reaction Methods 0.000 claims description 27
239000011790 ferrous sulphate Substances 0.000 claims description 22
235000003891 ferrous sulphate Nutrition 0.000 claims description 22
BWFPGXWASODCHM-UHFFFAOYSA-N copper monosulfide Chemical compound [Cu]=S BWFPGXWASODCHM-UHFFFAOYSA-N 0.000 claims description 20
150000004763 sulfides Chemical class 0.000 claims description 20
239000005864 Sulphur Substances 0.000 claims description 19
ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims description 16
VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 claims description 14
150000002506 iron compounds Chemical class 0.000 claims description 13
230000001590 oxidative effect Effects 0.000 claims description 12
150000002500 ions Chemical class 0.000 claims description 11
238000001556 precipitation Methods 0.000 claims description 11
230000002378 acidificating effect Effects 0.000 claims description 9
BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 9
229910000359 iron(II) sulfate Inorganic materials 0.000 claims description 9
239000000203 mixture Substances 0.000 claims description 8
238000006460 hydrolysis reaction Methods 0.000 claims description 7
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 6
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 6
230000007062 hydrolysis Effects 0.000 claims description 6
239000005749 Copper compound Substances 0.000 claims description 4
PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 4
150000001880 copper compounds Chemical class 0.000 claims description 4
229910052739 hydrogen Inorganic materials 0.000 claims description 4
239000001257 hydrogen Substances 0.000 claims description 4
QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 3
150000001339 alkali metal compounds Chemical class 0.000 claims description 3
229910052799 carbon Inorganic materials 0.000 claims description 3
239000002245 particle Substances 0.000 claims description 3
VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 2
239000000908 ammonium hydroxide Substances 0.000 claims description 2
OMZSGWSJDCOLKM-UHFFFAOYSA-N copper(II) sulfide Chemical compound [S-2].[Cu+2] OMZSGWSJDCOLKM-UHFFFAOYSA-N 0.000 claims description 2
229910052935 jarosite Inorganic materials 0.000 claims description 2
230000008929 regeneration Effects 0.000 claims description 2
238000011069 regeneration method Methods 0.000 claims description 2
229910052938 sodium sulfate Inorganic materials 0.000 claims description 2
235000011152 sodium sulphate Nutrition 0.000 claims description 2
238000005363 electrowinning Methods 0.000 claims 1
230000003301 hydrolyzing effect Effects 0.000 claims 1
JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims 1
239000000243 solution Substances 0.000 description 75
238000002386 leaching Methods 0.000 description 32
239000012141 concentrate Substances 0.000 description 26
239000007788 liquid Substances 0.000 description 25
229910052717 sulfur Inorganic materials 0.000 description 22
239000011593 sulfur Substances 0.000 description 22
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 15
239000001301 oxygen Substances 0.000 description 15
229910052760 oxygen Inorganic materials 0.000 description 15
BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 14
229910052709 silver Inorganic materials 0.000 description 14
239000004332 silver Substances 0.000 description 14
229910001447 ferric ion Inorganic materials 0.000 description 13
CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 12
UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 10
229910021653 sulphate ion Inorganic materials 0.000 description 10
ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 9
238000005188 flotation Methods 0.000 description 9
229910052750 molybdenum Inorganic materials 0.000 description 9
239000011733 molybdenum Substances 0.000 description 9
238000000746 purification Methods 0.000 description 9
239000011541 reaction mixture Substances 0.000 description 9
229910001448 ferrous ion Inorganic materials 0.000 description 8
238000011084 recovery Methods 0.000 description 8
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 7
239000007789 gas Substances 0.000 description 7
JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 6
238000001914 filtration Methods 0.000 description 6
238000004064 recycling Methods 0.000 description 6
239000002002 slurry Substances 0.000 description 6
150000003467 sulfuric acid derivatives Chemical class 0.000 description 6
UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 5
229910001431 copper ion Inorganic materials 0.000 description 5
239000000047 product Substances 0.000 description 5
PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 4
HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 4
238000010586 diagram Methods 0.000 description 4
239000011777 magnesium Substances 0.000 description 4
238000004519 manufacturing process Methods 0.000 description 4
229910052751 metal Inorganic materials 0.000 description 4
239000002184 metal Substances 0.000 description 4
239000010970 precious metal Substances 0.000 description 4
229910052711 selenium Inorganic materials 0.000 description 4
239000011669 selenium Substances 0.000 description 4
239000010802 sludge Substances 0.000 description 4
229910052714 tellurium Inorganic materials 0.000 description 4
PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 description 4
239000011701 zinc Substances 0.000 description 4
229910052725 zinc Inorganic materials 0.000 description 4
FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 3
230000015572 biosynthetic process Effects 0.000 description 3
229910052951 chalcopyrite Inorganic materials 0.000 description 3
DVRDHUBQLOKMHZ-UHFFFAOYSA-N chalcopyrite Chemical compound [S-2].[S-2].[Fe+2].[Cu+2] DVRDHUBQLOKMHZ-UHFFFAOYSA-N 0.000 description 3
238000004140 cleaning Methods 0.000 description 3
229910000365 copper sulfate Inorganic materials 0.000 description 3
-1 cowellite Chemical class 0.000 description 3
230000000694 effects Effects 0.000 description 3
229910052749 magnesium Inorganic materials 0.000 description 3
239000000463 material Substances 0.000 description 3
229910052976 metal sulfide Inorganic materials 0.000 description 3
239000000126 substance Substances 0.000 description 3
239000003929 acidic solution Substances 0.000 description 2
230000004913 activation Effects 0.000 description 2
229910052948 bornite Inorganic materials 0.000 description 2
238000009388 chemical precipitation Methods 0.000 description 2
150000001875 compounds Chemical class 0.000 description 2
239000000470 constituent Substances 0.000 description 2
229910000366 copper(II) sulfate Inorganic materials 0.000 description 2
238000004090 dissolution Methods 0.000 description 2
238000005868 electrolysis reaction Methods 0.000 description 2
239000006260 foam Substances 0.000 description 2
230000005021 gait Effects 0.000 description 2
229910052500 inorganic mineral Inorganic materials 0.000 description 2
239000011133 lead Substances 0.000 description 2
239000007791 liquid phase Substances 0.000 description 2
238000002844 melting Methods 0.000 description 2
230000008018 melting Effects 0.000 description 2
150000002739 metals Chemical class 0.000 description 2
235000010755 mineral Nutrition 0.000 description 2
239000011707 mineral Substances 0.000 description 2
229910052759 nickel Inorganic materials 0.000 description 2
229910000510 noble metal Inorganic materials 0.000 description 2
239000002244 precipitate Substances 0.000 description 2
230000001105 regulatory effect Effects 0.000 description 2
101100493710 Caenorhabditis elegans bath-40 gene Proteins 0.000 description 1
MBMLMWLHJBBADN-UHFFFAOYSA-N Ferrous sulfide Chemical class [Fe]=S MBMLMWLHJBBADN-UHFFFAOYSA-N 0.000 description 1
239000005083 Zinc sulfide Substances 0.000 description 1
238000010521 absorption reaction Methods 0.000 description 1
238000000184 acid digestion Methods 0.000 description 1
230000003213 activating effect Effects 0.000 description 1
239000000654 additive Substances 0.000 description 1
230000000996 additive effect Effects 0.000 description 1
239000003570 air Substances 0.000 description 1
229910052728 basic metal Inorganic materials 0.000 description 1
150000003818 basic metals Chemical class 0.000 description 1
230000005587 bubbling Effects 0.000 description 1
239000006227 byproduct Substances 0.000 description 1
238000005119 centrifugation Methods 0.000 description 1
229910052947 chalcocite Inorganic materials 0.000 description 1
239000007795 chemical reaction product Substances 0.000 description 1
239000002131 composite material Substances 0.000 description 1
230000001276 controlling effect Effects 0.000 description 1
150000001879 copper Chemical class 0.000 description 1
238000000354 decomposition reaction Methods 0.000 description 1
230000001066 destructive effect Effects 0.000 description 1
238000003912 environmental pollution Methods 0.000 description 1
PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
229910052737 gold Inorganic materials 0.000 description 1
239000010931 gold Substances 0.000 description 1
238000009854 hydrometallurgy Methods 0.000 description 1
150000004679 hydroxides Chemical class 0.000 description 1
238000011065 in-situ storage Methods 0.000 description 1
150000002505 iron Chemical class 0.000 description 1
SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
238000002156 mixing Methods 0.000 description 1
238000006386 neutralization reaction Methods 0.000 description 1
238000013021 overheating Methods 0.000 description 1
238000005453 pelletization Methods 0.000 description 1
238000012545 processing Methods 0.000 description 1
229910052683 pyrite Inorganic materials 0.000 description 1
NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 description 1
239000011028 pyrite Substances 0.000 description 1
238000010992 reflux Methods 0.000 description 1
238000010079 rubber tapping Methods 0.000 description 1
238000010517 secondary reaction Methods 0.000 description 1
238000004062 sedimentation Methods 0.000 description 1
150000004760 silicates Chemical class 0.000 description 1
239000008247 solid mixture Substances 0.000 description 1
238000000638 solvent extraction Methods 0.000 description 1
238000001228 spectrum Methods 0.000 description 1
238000003756 stirring Methods 0.000 description 1
238000012546 transfer Methods 0.000 description 1
238000013022 venting Methods 0.000 description 1
239000002699 waste material Substances 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
229910052984 zinc sulfide Inorganic materials 0.000 description 1
DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 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
- C22B15/00—Obtaining copper
- C22B15/0063—Hydrometallurgy
- 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)
Manufacture And Refinement Of Metals (AREA)
Removal Of Specific Substances (AREA)

NO36172A 1971-02-19 1972-02-09 NO133764C (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA105,999A CA953924A (en)	1971-02-19	1971-02-19	Hydrometallurgical process for extraction of copper and sulphur from copper-iron sulphides

Publications (2)

Publication Number	Publication Date
NO133764B true NO133764B (fr)	1976-03-15
NO133764C NO133764C (fr)	1976-06-23

Family

ID=4088845

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO36172A NO133764C (fr)	1971-02-19	1972-02-09

Country Status (15)

Country	Link
US (1)	US3816105A (fr)
JP (1)	JPS5431452B1 (fr)
AU (1)	AU466826B2 (fr)
BE (1)	BE779556A (fr)
CA (1)	CA953924A (fr)
DE (1)	DE2207382C2 (fr)
ES (1)	ES399959A1 (fr)
FI (1)	FI57788C (fr)
FR (1)	FR2125524B1 (fr)
GB (1)	GB1374851A (fr)
IT (1)	IT947693B (fr)
NO (1)	NO133764C (fr)
SE (1)	SE395719B (fr)
ZA (1)	ZA72875B (fr)
ZM (2)	ZM3272A1 (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3891522A (en) *	1972-02-28	1975-06-24	Cominco Ltd	Hydrometallurgical process for treating copper-iron sulphides
US3933478A (en) *	1973-08-27	1976-01-20	Nicosep Associates	Recovery of zinc and copper from brass scrap
US4049770A (en) *	1973-10-19	1977-09-20	Sherritt Gordon Mines Limited	Recovery of copper and zinc as sulfides from copper-iron sulfides
US3877932A (en) *	1974-02-21	1975-04-15	Us Interior	Pressure cementation process for recovery of copper from solution
US3957602A (en) *	1974-07-24	1976-05-18	Cyprus Metallurgical Processes Corporation	Recovery of copper from chalcopyrite utilizing copper sulfate leach
US3974253A (en) *	1975-01-15	1976-08-10	The Lummus Company	Leaching of copper ores to recover sulfur and silver catalyst
US4024218A (en) *	1975-11-03	1977-05-17	Cominco Ltd.	Process for hydrometallurgical upgrading
CA1104837A (fr) *	1977-08-19	1981-07-14	Donald R. Weir	Methode d'extraction du cuivre et du zinc en presence dans les sulfures complexes
US4138248A (en) *	1978-04-10	1979-02-06	Cyprus Metallurgical Processes Corporation	Recovery of elemental sulfur and metal values from tailings from copper recovery processes
JPS58141346A (ja) *	1982-02-15	1983-08-22	Dowa Mining Co Ltd	産業副産物からの金属採取法
US5110354A (en) *	1991-04-19	1992-05-05	Hull Harold L	Closed loop copper cell extraction process
FI116070B (fi)	2003-07-17	2005-09-15	Outokumpu Oy	Menetelmä rikasteiden aikaansaamiseksi
FI118648B (fi) *	2005-02-14	2008-01-31	Outotec Oyj	Menetelmä kuparipitoisten materiaalien käsittelemiseksi
FI117941B (fi) *	2005-10-13	2007-04-30	Outokumpu Technology Oyj	Menetelmä metallisulfidimineraalien liuottamiseksi
US8052774B2 (en) *	2009-03-31	2011-11-08	Sumitomo Metal Mining Co., Ltd.	Method for concentration of gold in copper sulfide minerals
CN107429311B (zh) *	2014-12-19	2019-09-03	Fl史密斯公司	用于快速浸出黄铜矿的方法
US10364159B2 (en) *	2015-05-04	2019-07-30	Graymont Western Us Inc.	Process and systems for regenerating alkali process streams
CN115161476B (zh) *	2022-07-20	2023-06-02	万宝矿产有限公司	一种降低次生硫化铜矿生物堆浸系统中酸铁浓度的方法
CN116716479A (zh) *	2023-05-25	2023-09-08	金川镍钴研究设计院有限责任公司	一种高镍铜合金硫化混合物的浸出方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA520252A (fr) *		1956-01-03	J. Mcgauley Patrick	Procede pour recuperer le cuivre de ses minerais et mineraux
CA547012A (fr) *		1957-10-01	Sherritt Gordon Mines Limited	Methode de traitement de sulfures minerales pyrrhotitiques contenant des valeurs de metal non ferreux
US1588806A (en) *	1924-07-08	1926-06-15	Pike	Metallurgical process and article
DE864918C (de) *	1949-06-04	1953-01-29	Chemical Construction Corp	Verfahren zur Gewinnung von Kupfer
FR1078906A (fr) *	1949-06-04	1954-11-24	Chemical Construction Corp	Perfectionnement à la récupération du cuivre des mélanges cuprifères
US2796342A (en) *	1954-01-28	1957-06-18	Chemical Construction Corp	Process for recovering copper by chemical precipitation
US3053651A (en) *	1958-01-21	1962-09-11	Chemetals Corp	Treatment of sulfide minerals
US3288598A (en) *	1963-04-11	1966-11-29	Phelps Dodge Corp	Method for recovering metals
BE673023A (fr) *	1965-04-30	1900-01-01
DE1533123A1 (de) *	1965-06-24	1969-12-04	Ruthner Ind Planungs Ag	Verfahren zur Aufbereitung von Titanerzen
GB1121156A (en) *	1966-02-02	1968-07-24	Sherritt Gordon Mines Ltd	Treatment of copper bearing complex sulphides

1971
- 1971-02-19 CA CA105,999A patent/CA953924A/en not_active Expired
1972
- 1972-02-08 GB GB591272A patent/GB1374851A/en not_active Expired
- 1972-02-09 NO NO36172A patent/NO133764C/no unknown
- 1972-02-10 ZA ZA720875A patent/ZA72875B/xx unknown
- 1972-02-14 AU AU38948/72A patent/AU466826B2/en not_active Expired
- 1972-02-16 FR FR7205238A patent/FR2125524B1/fr not_active Expired
- 1972-02-17 FI FI437/72A patent/FI57788C/fi active
- 1972-02-17 DE DE2207382A patent/DE2207382C2/de not_active Expired
- 1972-02-18 BE BE779556A patent/BE779556A/fr not_active IP Right Cessation
- 1972-02-18 IT IT2073572A patent/IT947693B/it active
- 1972-02-18 JP JP1662172A patent/JPS5431452B1/ja active Pending
- 1972-02-18 SE SE198272A patent/SE395719B/xx unknown
- 1972-02-18 ZM ZM3272A patent/ZM3272A1/xx unknown
- 1972-02-19 ES ES399959A patent/ES399959A1/es not_active Expired
- 1972-02-22 US US22795072 patent/US3816105A/en not_active Expired - Lifetime
- 1972-03-01 ZM ZM4572A patent/ZM4572A1/xx unknown

Also Published As

Publication number	Publication date
FR2125524B1 (fr)	1976-07-09
AU466826B2 (en)	1975-11-13
AU3894872A (en)	1973-08-16
CA953924A (en)	1974-09-03
DE2207382C2 (de)	1983-01-13
GB1374851A (en)	1974-11-20
BE779556A (fr)	1972-06-16
IT947693B (it)	1973-05-30
ES399959A1 (es)	1975-04-01
ZA72875B (en)	1973-09-26
SE395719B (sv)	1977-08-22
FI57788B (fi)	1980-06-30
US3816105A (en)	1974-06-11
ZM4572A1 (en)	1973-05-21
NO133764C (fr)	1976-06-23
FR2125524A1 (fr)	1972-09-29
ZM3272A1 (en)	1973-06-21
FI57788C (fi)	1980-10-10
JPS5431452B1 (fr)	1979-10-06
DE2207382A1 (de)	1972-09-07

Publication	Publication Date	Title
US4004991A (en)	1977-01-25	Two-stage pressure leaching process for zinc and iron bearing mineral sulphides
AU2015240414B2 (en)	2019-05-02	Purification of copper concentrate by removal of arsenic and antimony with concomitant regeneration and recycle of lixiviant
US20080173132A1 (en)	2008-07-24	Integrated hydrometallurgical and pyrometallurgical processing of base-metal sulphides
OA10643A (en)	2002-09-24	Chloride assisted hydrometallurgical extraction ofmetal
US3816105A (en)	1974-06-11	Hydrometallurgical process for extraction of copper and sulphur from copper iron sulphides
AU725971B2 (en)	2000-10-26	Method for leaching zinc concentrate in atmospheric conditions
NO177864B (no)	1995-08-28	Fremgangsmåte for utvinning av verdifulle materialer i forbindelse med hydrometallurgisk sinkfremstilling
WO2007039664A1 (fr)	2007-04-12	Traitement au chlorure de sodium de minerai ou de concentres de sulfure de nickel
CA2202289C (fr)	2002-01-22	Recuperation du zinc de concentres sulfures
US3891522A (en)	1975-06-24	Hydrometallurgical process for treating copper-iron sulphides
EP0248518A1 (fr)	1987-12-09	Séparation du nickel et du cuivre en autoclave
NO129913B (fr)	1974-06-10
CN100457932C (zh)	2009-02-04	钼精矿处理工艺
CA1174860A (fr)	1984-09-25	Methode de separation de l'or en presence dans les boues d'anode
US4082629A (en)	1978-04-04	Hydrometallurgical process for treating metal sulfides containing lead sulfide
NO123798B (fr)	1972-01-17
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