FI66027C - Foerfarande foer avlaegsnande av orenheter ur koppar kadmium och kobolt innehaollande zinkelektrolyt - Google Patents

Foerfarande foer avlaegsnande av orenheter ur koppar kadmium och kobolt innehaollande zinkelektrolyt Download PDF

Info

Publication number: FI66027C
Authority: FI; Finland
Prior art keywords: zinc; arsenic; electrolyte; filtrate; leach
Prior art date: 1979-09-13

Application number

FI794056A

Other languages

English (en)

Finnish (fi)

Swedish (sv)

Other versions

FI66027B (fi

FI794056A7 (fi

Inventor

Kayo Kangas

John E Mouland

Stanley Timler

Original Assignee

Texas Gulf Inc

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.)

1979-09-13

Filing date

1979-12-27

Publication date

1984-08-10

1979-12-27 Application filed by Texas Gulf Inc filed Critical Texas Gulf Inc

1981-03-14 Publication of FI794056A7 publication Critical patent/FI794056A7/fi

1984-04-30 Publication of FI66027B publication Critical patent/FI66027B/fi

1984-08-10 Application granted granted Critical

1984-08-10 Publication of FI66027C publication Critical patent/FI66027C/fi

Links

BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 title claims description 19
239000011701 zinc Substances 0.000 claims description 175
HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 155
229910052725 zinc Inorganic materials 0.000 claims description 142
239000003792 electrolyte Substances 0.000 claims description 103
229910052785 arsenic Inorganic materials 0.000 claims description 96
239000010949 copper Substances 0.000 claims description 92
RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 claims description 90
LHBPLFWXEXNIJU-UHFFFAOYSA-H trizinc;trioxido(oxo)-$l^{5}-arsane Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-][As]([O-])([O-])=O.[O-][As]([O-])([O-])=O LHBPLFWXEXNIJU-UHFFFAOYSA-H 0.000 claims description 81
239000000706 filtrate Substances 0.000 claims description 79
229910052802 copper Inorganic materials 0.000 claims description 72
RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 61
GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 53
229910017052 cobalt Inorganic materials 0.000 claims description 52
239000010941 cobalt Substances 0.000 claims description 52
238000000034 method Methods 0.000 claims description 48
238000000746 purification Methods 0.000 claims description 38
239000002253 acid Substances 0.000 claims description 32
230000007935 neutral effect Effects 0.000 claims description 23
230000008569 process Effects 0.000 claims description 23
229910052793 cadmium Inorganic materials 0.000 claims description 22
239000004568 cement Substances 0.000 claims description 18
239000012535 impurity Substances 0.000 claims description 17
238000011282 treatment Methods 0.000 claims description 14
239000002244 precipitate Substances 0.000 claims description 10
238000001556 precipitation Methods 0.000 claims description 10
239000000654 additive Substances 0.000 claims 1
230000000996 additive effect Effects 0.000 claims 1
238000002386 leaching Methods 0.000 claims 1
239000000243 solution Substances 0.000 description 71
238000000605 extraction Methods 0.000 description 61
239000002002 slurry Substances 0.000 description 33
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 30
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 30
238000007792 addition Methods 0.000 description 21
HJTAZXHBEBIQQX-UHFFFAOYSA-N 1,5-bis(chloromethyl)naphthalene Chemical compound C1=CC=C2C(CCl)=CC=CC2=C1CCl HJTAZXHBEBIQQX-UHFFFAOYSA-N 0.000 description 18
GOLCXWYRSKYTSP-UHFFFAOYSA-N arsenic trioxide Inorganic materials O1[As]2O[As]1O2 GOLCXWYRSKYTSP-UHFFFAOYSA-N 0.000 description 18
PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 17
XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 16
239000000203 mixture Substances 0.000 description 14
238000001914 filtration Methods 0.000 description 13
ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 12
239000007787 solid Substances 0.000 description 12
238000004458 analytical method Methods 0.000 description 11
239000011734 sodium Substances 0.000 description 11
239000003153 chemical reaction reagent Substances 0.000 description 10
229910000365 copper sulfate Inorganic materials 0.000 description 10
238000005868 electrolysis reaction Methods 0.000 description 10
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 9
239000011572 manganese Substances 0.000 description 9
229910052751 metal Inorganic materials 0.000 description 9
239000002184 metal Substances 0.000 description 9
229940030341 copper arsenate Drugs 0.000 description 8
RKYSWCFUYJGIQA-UHFFFAOYSA-H copper(ii) arsenate Chemical compound [Cu+2].[Cu+2].[Cu+2].[O-][As]([O-])([O-])=O.[O-][As]([O-])([O-])=O RKYSWCFUYJGIQA-UHFFFAOYSA-H 0.000 description 8
239000000047 product Substances 0.000 description 8
239000011787 zinc oxide Substances 0.000 description 8
238000009826 distribution Methods 0.000 description 6
238000002474 experimental method Methods 0.000 description 6
239000004615 ingredient Substances 0.000 description 6
229910052759 nickel Inorganic materials 0.000 description 6
238000011084 recovery Methods 0.000 description 6
239000012141 concentrate Substances 0.000 description 5
238000004519 manufacturing process Methods 0.000 description 5
239000010802 sludge Substances 0.000 description 5
229910052717 sulfur Inorganic materials 0.000 description 5
NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 5
229910000368 zinc sulfate Inorganic materials 0.000 description 5
229960001763 zinc sulfate Drugs 0.000 description 5
238000006243 chemical reaction Methods 0.000 description 4
238000004140 cleaning Methods 0.000 description 4
238000012545 processing Methods 0.000 description 4
229910052708 sodium Inorganic materials 0.000 description 4
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
238000004090 dissolution Methods 0.000 description 3
239000008151 electrolyte solution Substances 0.000 description 3
239000007788 liquid Substances 0.000 description 3
239000012286 potassium permanganate Substances 0.000 description 3
239000011593 sulfur Substances 0.000 description 3
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
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 description 2
YAVWDJDEOLOYQO-UHFFFAOYSA-N OOOOOOOOOO Chemical compound OOOOOOOOOO YAVWDJDEOLOYQO-UHFFFAOYSA-N 0.000 description 2
JEMGLEPMXOIVNS-UHFFFAOYSA-N arsenic copper Chemical compound [Cu].[As] JEMGLEPMXOIVNS-UHFFFAOYSA-N 0.000 description 2
239000006227 byproduct Substances 0.000 description 2
238000007796 conventional method Methods 0.000 description 2
239000013256 coordination polymer Substances 0.000 description 2
230000008021 deposition Effects 0.000 description 2
238000000227 grinding Methods 0.000 description 2
229910052935 jarosite Inorganic materials 0.000 description 2
229910052748 manganese Inorganic materials 0.000 description 2
238000002156 mixing Methods 0.000 description 2
230000035484 reaction time Effects 0.000 description 2
238000004064 recycling Methods 0.000 description 2
230000009467 reduction Effects 0.000 description 2
238000007670 refining Methods 0.000 description 2
238000000926 separation method Methods 0.000 description 2
238000012360 testing method Methods 0.000 description 2
-1 zinc arsenates Chemical class 0.000 description 2
KYARBIJYVGJZLB-UHFFFAOYSA-N 7-amino-4-hydroxy-2-naphthalenesulfonic acid Chemical compound OC1=CC(S(O)(=O)=O)=CC2=CC(N)=CC=C21 KYARBIJYVGJZLB-UHFFFAOYSA-N 0.000 description 1
DJHGAFSJWGLOIV-UHFFFAOYSA-K Arsenate3- Chemical compound [O-][As]([O-])([O-])=O DJHGAFSJWGLOIV-UHFFFAOYSA-K 0.000 description 1
PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
241001424392 Lucia limbaria Species 0.000 description 1
PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
KUGRPPRAQNPSQD-UHFFFAOYSA-N OOOOO Chemical compound OOOOO KUGRPPRAQNPSQD-UHFFFAOYSA-N 0.000 description 1
OZBZONOEYUBXTD-UHFFFAOYSA-N OOOOOOOOO Chemical compound OOOOOOOOO OZBZONOEYUBXTD-UHFFFAOYSA-N 0.000 description 1
RTYZCUMXOXNVSI-UHFFFAOYSA-N OOOOOOOOOOOOOOOOOO Chemical compound OOOOOOOOOOOOOOOOOO RTYZCUMXOXNVSI-UHFFFAOYSA-N 0.000 description 1
LXEPVHXXBMDAQC-UHFFFAOYSA-N OOOOOOOOOOOOOOOOOOOOOOOOOOO Chemical compound OOOOOOOOOOOOOOOOOOOOOOOOOOO LXEPVHXXBMDAQC-UHFFFAOYSA-N 0.000 description 1
239000005083 Zinc sulfide Substances 0.000 description 1
230000002378 acidificating effect Effects 0.000 description 1
230000002411 adverse Effects 0.000 description 1
238000005054 agglomeration Methods 0.000 description 1
230000002776 aggregation Effects 0.000 description 1
230000003064 anti-oxidating effect Effects 0.000 description 1
229910052787 antimony Inorganic materials 0.000 description 1
WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
239000011260 aqueous acid Substances 0.000 description 1
229940000489 arsenate Drugs 0.000 description 1
125000003118 aryl group Chemical group 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
150000001868 cobalt Chemical class 0.000 description 1
150000001875 compounds Chemical class 0.000 description 1
JZCCFEFSEZPSOG-UHFFFAOYSA-L copper(II) sulfate pentahydrate Chemical compound O.O.O.O.O.[Cu+2].[O-]S([O-])(=O)=O JZCCFEFSEZPSOG-UHFFFAOYSA-L 0.000 description 1
239000012045 crude solution Substances 0.000 description 1
230000001627 detrimental effect Effects 0.000 description 1
238000010586 diagram Methods 0.000 description 1
230000000694 effects Effects 0.000 description 1
239000012527 feed solution Substances 0.000 description 1
239000012467 final product Substances 0.000 description 1
238000010438 heat treatment Methods 0.000 description 1
229910052739 hydrogen Inorganic materials 0.000 description 1
239000001257 hydrogen Substances 0.000 description 1
230000006872 improvement Effects 0.000 description 1
229910052742 iron Inorganic materials 0.000 description 1
238000009533 lab test Methods 0.000 description 1
238000011068 loading method Methods 0.000 description 1
230000007246 mechanism Effects 0.000 description 1
150000002739 metals Chemical class 0.000 description 1
230000001537 neural effect Effects 0.000 description 1
230000003647 oxidation Effects 0.000 description 1
238000007254 oxidation reaction Methods 0.000 description 1
238000010979 pH adjustment Methods 0.000 description 1
238000002360 preparation method Methods 0.000 description 1
238000001226 reprecipitation Methods 0.000 description 1
241000894007 species Species 0.000 description 1
238000003756 stirring Methods 0.000 description 1
238000005406 washing Methods 0.000 description 1
238000010626 work up procedure Methods 0.000 description 1
IPCXNCATNBAPKW-UHFFFAOYSA-N zinc;hydrate Chemical compound O.[Zn] IPCXNCATNBAPKW-UHFFFAOYSA-N 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
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G28/00—Compounds of arsenic
- C01G28/02—Arsenates; Arsenites
- 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
- C22B3/46—Treatment or purification of solutions, e.g. obtained by leaching by chemical processes by substitution, e.g. by cementation
- 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
- C22B30/00—Obtaining antimony, arsenic or bismuth
- C22B30/04—Obtaining arsenic
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
- 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)
Organic Chemistry (AREA)
Metallurgy (AREA)
Mechanical Engineering (AREA)
Materials Engineering (AREA)
Manufacturing & Machinery (AREA)
Life Sciences & Earth Sciences (AREA)
Inorganic Chemistry (AREA)
Geology (AREA)
General Life Sciences & Earth Sciences (AREA)
Environmental & Geological Engineering (AREA)
General Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Geochemistry & Mineralogy (AREA)
Manufacture And Refinement Of Metals (AREA)
Electrolytic Production Of Metals (AREA)
Detergent Compositions (AREA)
Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Conductive Materials (AREA)
Inorganic Compounds Of Heavy Metals (AREA)

FI794056A 1979-09-13 1979-12-27 Foerfarande foer avlaegsnande av orenheter ur koppar kadmium och kobolt innehaollande zinkelektrolyt FI66027C (fi)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US06/075,081 US4240826A (en)	1979-09-13	1979-09-13	Process for the recovery of arsenic as a zinc arsenate and its _utilization in the purification of zinc plant electrolytes
US7508179		1979-09-13

Publications (3)

Publication Number	Publication Date
FI794056A7 FI794056A7 (fi)	1981-03-14
FI66027B FI66027B (fi)	1984-04-30
FI66027C true FI66027C (fi)	1984-08-10

Family

ID=22123426

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI794056A FI66027C (fi)	1979-09-13	1979-12-27	Foerfarande foer avlaegsnande av orenheter ur koppar kadmium och kobolt innehaollande zinkelektrolyt

Country Status (13)

Country	Link
US (1)	US4240826A (de)
EP (1)	EP0025466B1 (de)
JP (1)	JPS5641337A (de)
AU (1)	AU539409B2 (de)
BR (1)	BR7908416A (de)
CA (1)	CA1146906A (de)
DE (1)	DE2966696D1 (de)
ES (1)	ES494981A0 (de)
FI (1)	FI66027C (de)
IE (1)	IE51183B1 (de)
MX (1)	MX153202A (de)
NO (1)	NO153062C (de)
ZA (1)	ZA796771B (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5182023A (en) *	1991-10-17	1993-01-26	Texas Romec, Inc.	Process for removing arsenic from water
US5415847A (en) *	1993-06-22	1995-05-16	Gem, Inc.	Treatment of pit waste containing chromated copper arsenate
WO1996041039A1 (en) *	1995-06-07	1996-12-19	Cominco Ltd.	Redox control in the electrodeposition of metals
US8545690B1 (en) *	2012-05-25	2013-10-01	Yunnan Metallurgical Group Co., Ltd.	Purification method of zinc sulfate leachate
CN102965507A (zh) *	2012-10-31	2013-03-13	铜陵市祥英锌业有限公司	一种除去高镉硫酸锌溶液中镉离子的一步两段法
CN104944468B (zh) *	2014-03-26	2017-01-18	广东先导稀材股份有限公司	二砷化三锌的制备方法
CN112725624A (zh) *	2020-12-07	2021-04-30	中南大学	一种高效回收利用含砷钴镍渣的方法
CN116377242B (zh) *	2023-05-05	2025-04-01	陕西锌业有限公司	一种渣处理系统及工艺方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1347200A (en) *		1920-07-20		Williams
US1322104A (en) *		1919-11-18		Toria
DE477290C (de) *	1926-09-09	1929-06-10	Broken Hill	Technische Entfernung von Nickel aus Zinksulfatloesungen
US2509916A (en) *	1946-03-05	1950-05-30	Hudson Bay Mining & Smelting	Method of removing nickel and cobalt impurities from zinc electrolyte solutions
FI52595C (fi) *	1974-09-20	1977-10-10	Outokumpu Oy	Menetelmä vesiliuosten puhdistamiseksi arsenideina saostuvista metalli -ioneista.
US4059514A (en) *	1975-01-24	1977-11-22	Elkem-Spigerverket A/S	Method for purification of industrial waste water
CA1046288A (en) *	1975-01-28	1979-01-16	Nassef E. Ghatas	Purification of zinc sulphate solutions
CA1063967A (en) *	1976-03-11	1979-10-09	Monica F. Morris	Zinc hydrometallurgical process
US4168970A (en) *	1978-09-21	1979-09-25	Noranda Mines Limited	Purification of zinc sulphate solutions

1979
- 1979-09-13 US US06/075,081 patent/US4240826A/en not_active Expired - Lifetime
- 1979-12-04 NO NO793939A patent/NO153062C/no unknown
- 1979-12-10 MX MX18041679A patent/MX153202A/es unknown
- 1979-12-13 ZA ZA00796771A patent/ZA796771B/xx unknown
- 1979-12-19 CA CA000342258A patent/CA1146906A/en not_active Expired
- 1979-12-21 BR BR7908416A patent/BR7908416A/pt unknown
- 1979-12-27 FI FI794056A patent/FI66027C/fi not_active IP Right Cessation
- 1979-12-28 JP JP17389779A patent/JPS5641337A/ja active Pending
- 1979-12-28 EP EP19790303069 patent/EP0025466B1/de not_active Expired
- 1979-12-28 DE DE7979303069T patent/DE2966696D1/de not_active Expired
1980
- 1980-09-12 ES ES494981A patent/ES494981A0/es active Granted
- 1980-09-12 IE IE1925/80A patent/IE51183B1/en unknown
- 1980-09-12 AU AU62384/80A patent/AU539409B2/en not_active Ceased

Also Published As

Publication number	Publication date
NO153062C (no)	1986-01-08
DE2966696D1 (en)	1984-03-22
FI66027B (fi)	1984-04-30
EP0025466B1 (de)	1984-02-15
FI794056A7 (fi)	1981-03-14
ES8107333A1 (es)	1981-10-16
IE801925L (en)	1981-03-13
AU6238480A (en)	1981-03-19
BR7908416A (pt)	1981-06-23
NO153062B (no)	1985-09-30
MX153202A (es)	1986-08-22
EP0025466A1 (de)	1981-03-25
ZA796771B (en)	1980-12-31
IE51183B1 (en)	1986-10-29
US4240826A (en)	1980-12-23
JPS5641337A (en)	1981-04-18
NO793939L (no)	1981-03-16
ES494981A0 (es)	1981-10-16
CA1146906A (en)	1983-05-24
AU539409B2 (en)	1984-09-27

Legal Events

Date	Code	Title	Description
2004-08-31	MM	Patent lapsed	Owner name: RIDD CREEK MINES LTD.

Publication	Publication Date	Title
US9399804B2 (en)	2016-07-26	Method for recovering scandium
AU2015351446B2 (en)	2018-08-02	Method for recovering high-purity scandium
US4004991A (en)	1977-01-25	Two-stage pressure leaching process for zinc and iron bearing mineral sulphides
US20220267877A1 (en)	2022-08-25	Co-Processing of Copper Sulphide Concentrate with Nickel Laterite Ore
CN1713943B (zh)	2012-07-25	由低品位辉钼矿浓缩物生产纯氧化钼
PH12016501502B1 (en)	2019-01-30	Scandium recovery method
JPS5921929B2 (ja)	1984-05-23	マンガン団塊を処理してその中に含まれる有価物質を抽出する方法
DE2234971C3 (de)	1975-02-06	Verfahren zur Gewinnung von Nichteisenmetallen aus eisenhaltigen Oxyden
EA015176B1 (ru)	2011-06-30	Способ извлечения редких металлов при выщелачивании цинка
FI66027C (fi)	1984-08-10	Foerfarande foer avlaegsnande av orenheter ur koppar kadmium och kobolt innehaollande zinkelektrolyt
CA2295066C (en)	2009-02-24	Selective precipitation of nickel and cobalt
FI74046C (fi)	1987-12-10	Tillvaratagande av zink ur zink innehaollande sulfidmaterial.
JP6172099B2 (ja)	2017-08-02	スカンジウムの回収方法
US8177882B2 (en)	2012-05-15	Process for recovering metals and metal compounds from mined ore and other metal-bearing raw source materials
FI101289B (fi)	1998-05-29	Menetelmä kupariarsenaatin valmistamiseksi
WO2020149122A1 (ja)	2020-07-23	湿式製錬法によるニッケル酸化鉱石からのニッケルコバルト混合硫化物の製造方法
CN108603245A (zh)	2018-09-28	钪回收方法
JP6256491B2 (ja)	2018-01-10	スカンジウムの回収方法
US5002748A (en)	1991-03-26	Method for the preparation of copper arsenate
US4355005A (en)	1982-10-19	Process for the treatment of a raw material which contains oxide and ferrite of zinc, copper and cadmium
CN102325725B (zh)	2016-10-12	用二次粉尘制备高纯度氧化锌的方法
WO2017094308A1 (ja)	2017-06-08	硫化剤の除去方法
US4362702A (en)	1982-12-07	Hydrometallurgical process for the treatment of a raw material which contains oxide and ferrite of zinc, copper and cadmium
FI65093C (fi)	1984-03-12	Foerfarande foer framstaellning av en vattenhaltig loesning avinksulfat foer anvaendning som raomaterial i elektrolyti fskamstaellning av zink genom lakning av rostat material
RU2797855C2 (ru)	2023-06-08	Способ получения высокочистого гидратированного сульфата никеля