CA2028293C - Methode pour le traitement d'une solution de sulfate contenant du zinc - Google Patents

Methode pour le traitement d'une solution de sulfate contenant du zinc

Info

Publication number: CA2028293C
Authority: CA; Canada
Prior art keywords: acid; zinc; solution; extraction; compartments
Prior art date: 1990-10-23
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 - Fee Related

Application number

CA002028293A

Other languages

English (en)

Other versions

CA2028293A1 (fr

Inventor

Daniel A. D. Boateng

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Teck Metals Ltd

Original Assignee

Teck Metals 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.)

1990-10-23

Filing date

1990-10-23

Publication date

1996-07-16

1990-10-23 Application filed by Teck Metals Ltd filed Critical Teck Metals Ltd

1990-10-23 Priority to CA002028293A priority Critical patent/CA2028293C/fr

1992-04-24 Publication of CA2028293A1 publication Critical patent/CA2028293A1/fr

1996-07-16 Application granted granted Critical

1996-07-16 Publication of CA2028293C publication Critical patent/CA2028293C/fr

2010-10-23 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

239000011701 zinc Substances 0.000 title claims abstract description 240
229910052725 zinc Inorganic materials 0.000 title claims abstract description 205
HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title claims abstract description 204
238000000034 method Methods 0.000 title claims abstract description 57
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 title claims abstract description 53
239000002253 acid Substances 0.000 claims abstract description 191
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 172
238000000605 extraction Methods 0.000 claims abstract description 108
238000000502 dialysis Methods 0.000 claims abstract description 60
238000000909 electrodialysis Methods 0.000 claims abstract description 54
239000012528 membrane Substances 0.000 claims abstract description 51
239000012535 impurity Substances 0.000 claims abstract description 47
238000000638 solvent extraction Methods 0.000 claims abstract description 29
NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims abstract description 28
229960001763 zinc sulfate Drugs 0.000 claims abstract description 28
229910000368 zinc sulfate Inorganic materials 0.000 claims abstract description 28
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
229910052751 metal Inorganic materials 0.000 claims abstract description 25
239000002184 metal Substances 0.000 claims abstract description 25
238000011084 recovery Methods 0.000 claims abstract description 19
BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims abstract description 10
229910052921 ammonium sulfate Inorganic materials 0.000 claims abstract description 10
235000011130 ammonium sulphate Nutrition 0.000 claims abstract description 10
239000000126 substance Substances 0.000 claims abstract description 8
239000012141 concentrate Substances 0.000 claims description 47
239000000284 extract Substances 0.000 claims description 29
150000002739 metals Chemical class 0.000 claims description 19
230000015572 biosynthetic process Effects 0.000 claims description 18
230000003134 recirculating effect Effects 0.000 claims description 10
VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 8
239000000908 ammonium hydroxide Substances 0.000 claims description 8
150000007513 acids Chemical class 0.000 claims description 7
125000000129 anionic group Chemical group 0.000 claims description 7
150000001450 anions Chemical class 0.000 claims description 6
239000000203 mixture Substances 0.000 claims description 6
150000001768 cations Chemical class 0.000 claims description 4
150000001875 compounds Chemical class 0.000 claims description 4
LJKDOMVGKKPJBH-UHFFFAOYSA-N 2-ethylhexyl dihydrogen phosphate Chemical compound CCCCC(CC)COP(O)(O)=O LJKDOMVGKKPJBH-UHFFFAOYSA-N 0.000 claims description 3
DUENOCOQRLXLKT-UHFFFAOYSA-N 5,8-diethyldodecan-6-ylphosphonic acid Chemical compound CCCCC(CC)CC(P(O)(O)=O)C(CC)CCCC DUENOCOQRLXLKT-UHFFFAOYSA-N 0.000 claims description 3
PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 3
238000002156 mixing Methods 0.000 claims description 3
150000003009 phosphonic acids Chemical class 0.000 claims description 3
235000011007 phosphoric acid Nutrition 0.000 claims description 3
150000003016 phosphoric acids Chemical class 0.000 claims description 3
229910052938 sodium sulfate Inorganic materials 0.000 claims description 3
235000011152 sodium sulphate Nutrition 0.000 claims description 3
150000008044 alkali metal hydroxides Chemical class 0.000 claims description 2
XTAZYLNFDRKIHJ-UHFFFAOYSA-N n,n-dioctyloctan-1-amine Chemical compound CCCCCCCCN(CCCCCCCC)CCCCCCCC XTAZYLNFDRKIHJ-UHFFFAOYSA-N 0.000 claims description 2
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims 2
150000003141 primary amines Chemical class 0.000 claims 2
125000000217 alkyl group Chemical group 0.000 claims 1
229910021529 ammonia Inorganic materials 0.000 claims 1
125000004432 carbon atom Chemical group C* 0.000 claims 1
229940083124 ganglion-blocking antiadrenergic secondary and tertiary amines Drugs 0.000 claims 1
150000001412 amines Chemical class 0.000 abstract description 7
239000000243 solution Substances 0.000 description 142
239000012527 feed solution Substances 0.000 description 36
235000011149 sulphuric acid Nutrition 0.000 description 35
239000011777 magnesium Substances 0.000 description 27
239000011572 manganese Substances 0.000 description 17
239000000047 product Substances 0.000 description 15
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
239000012074 organic phase Substances 0.000 description 12
238000012360 testing method Methods 0.000 description 12
239000003792 electrolyte Substances 0.000 description 11
239000012071 phase Substances 0.000 description 8
-1 for example Substances 0.000 description 7
238000011068 loading method Methods 0.000 description 6
FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 5
230000002378 acidificating effect Effects 0.000 description 5
239000008346 aqueous phase Substances 0.000 description 5
238000005363 electrowinning Methods 0.000 description 5
229910052749 magnesium Inorganic materials 0.000 description 5
229910009369 Zn Mg Inorganic materials 0.000 description 4
238000005868 electrolysis reaction Methods 0.000 description 4
229910052748 manganese Inorganic materials 0.000 description 4
239000007864 aqueous solution Substances 0.000 description 3
239000003085 diluting agent Substances 0.000 description 3
230000000694 effects Effects 0.000 description 3
WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 3
238000004519 manufacturing process Methods 0.000 description 3
238000000926 separation method Methods 0.000 description 3
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
241000157049 Microtus richardsoni Species 0.000 description 2
239000003513 alkali Substances 0.000 description 2
125000002091 cationic group Chemical group 0.000 description 2
229910052500 inorganic mineral Inorganic materials 0.000 description 2
238000005342 ion exchange Methods 0.000 description 2
239000011707 mineral Substances 0.000 description 2
239000003607 modifier Substances 0.000 description 2
238000001556 precipitation Methods 0.000 description 2
238000012545 processing Methods 0.000 description 2
239000007787 solid Substances 0.000 description 2
VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
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 1
ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
238000009825 accumulation Methods 0.000 description 1
239000003929 acidic solution Substances 0.000 description 1
238000004458 analytical method Methods 0.000 description 1
229910052787 antimony Inorganic materials 0.000 description 1
229910052785 arsenic Inorganic materials 0.000 description 1
239000006227 byproduct Substances 0.000 description 1
229910052793 cadmium Inorganic materials 0.000 description 1
229910052799 carbon Inorganic materials 0.000 description 1
150000001721 carbon Chemical group 0.000 description 1
230000001143 conditioned effect Effects 0.000 description 1
229910052802 copper Inorganic materials 0.000 description 1
238000002425 crystallisation Methods 0.000 description 1
230000008025 crystallization Effects 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
238000000151 deposition Methods 0.000 description 1
230000008021 deposition Effects 0.000 description 1
238000009826 distribution Methods 0.000 description 1
239000007772 electrode material Substances 0.000 description 1
238000001704 evaporation Methods 0.000 description 1
230000008020 evaporation Effects 0.000 description 1
239000007789 gas Substances 0.000 description 1
229910052732 germanium Inorganic materials 0.000 description 1
230000005484 gravity Effects 0.000 description 1
229910052739 hydrogen Inorganic materials 0.000 description 1
239000001257 hydrogen Substances 0.000 description 1
238000009854 hydrometallurgy Methods 0.000 description 1
150000002500 ions Chemical class 0.000 description 1
229910052742 iron Inorganic materials 0.000 description 1
229910052745 lead Inorganic materials 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
229910052700 potassium Inorganic materials 0.000 description 1
239000011591 potassium Substances 0.000 description 1
238000010926 purge Methods 0.000 description 1
238000001223 reverse osmosis Methods 0.000 description 1
239000012266 salt solution Substances 0.000 description 1
238000005201 scrubbing Methods 0.000 description 1
229910052708 sodium Inorganic materials 0.000 description 1
239000011734 sodium Substances 0.000 description 1
241000894007 species Species 0.000 description 1
229910001220 stainless steel Inorganic materials 0.000 description 1
239000010935 stainless steel Substances 0.000 description 1
229910052716 thallium Inorganic materials 0.000 description 1
239000010936 titanium Substances 0.000 description 1
229910052719 titanium Inorganic materials 0.000 description 1
238000012546 transfer Methods 0.000 description 1

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/24—Dialysis ; Membrane extraction
- B01D61/243—Dialysis
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
- B01D61/422—Electrodialysis
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
- B01D61/44—Ion-selective electrodialysis
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/58—Multistep processes
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/90—Separation; Purification
- C01B17/901—Recovery from spent acids containing metallic ions, e.g. hydrolysis acids, pickling acids
- C01B17/902—Recovery from spent acids containing metallic ions, e.g. hydrolysis acids, pickling acids by dialysis
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/90—Separation; Purification
- C01B17/901—Recovery from spent acids containing metallic ions, e.g. hydrolysis acids, pickling acids
- C01B17/903—Recovery from spent acids containing metallic ions, e.g. hydrolysis acids, pickling acids by liquid-liquid extraction
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/24—Sulfates of ammonium
- C01C1/242—Preparation from ammonia and sulfuric acid or sulfur trioxide
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D5/00—Sulfates or sulfites of sodium, potassium or alkali metals in general
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G9/00—Compounds of zinc
- C01G9/003—Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G9/00—Compounds of zinc
- C01G9/06—Sulfates
- 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
- C22B3/26—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

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Organic Chemistry (AREA)
Water Supply & Treatment (AREA)
Chemical Kinetics & Catalysis (AREA)
Inorganic Chemistry (AREA)
Health & Medical Sciences (AREA)
Urology & Nephrology (AREA)
Materials Engineering (AREA)
Life Sciences & Earth Sciences (AREA)
Environmental & Geological Engineering (AREA)
General Life Sciences & Earth Sciences (AREA)
Geology (AREA)
Manufacturing & Machinery (AREA)
Mechanical Engineering (AREA)
Metallurgy (AREA)
Geochemistry & Mineralogy (AREA)
Electrolytic Production Of Metals (AREA)
Manufacture And Refinement Of Metals (AREA)
Separation Using Semi-Permeable Membranes (AREA)
Extraction Or Liquid Replacement (AREA)

CA002028293A 1990-10-23 1990-10-23 Methode pour le traitement d'une solution de sulfate contenant du zinc Expired - Fee Related CA2028293C (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA002028293A CA2028293C (fr)	1990-10-23	1990-10-23	Methode pour le traitement d'une solution de sulfate contenant du zinc

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA002028293A CA2028293C (fr)	1990-10-23	1990-10-23	Methode pour le traitement d'une solution de sulfate contenant du zinc

Publications (2)

Publication Number	Publication Date
CA2028293A1 CA2028293A1 (fr)	1992-04-24
CA2028293C true CA2028293C (fr)	1996-07-16

Family

ID=4146223

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002028293A Expired - Fee Related CA2028293C (fr)	1990-10-23	1990-10-23	Methode pour le traitement d'une solution de sulfate contenant du zinc

Country Status (1)

Country	Link
CA (1)	CA2028293C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2026076971A (ja) *	2024-10-24	2026-05-12	株式会社アサカ理研	硫酸の精製方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FI110267B (fi) *	2001-05-11	2002-12-31	Outokumpu Oy	Uuttoprosessi

1990
- 1990-10-23 CA CA002028293A patent/CA2028293C/fr not_active Expired - Fee Related

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2026076971A (ja) *	2024-10-24	2026-05-12	株式会社アサカ理研	硫酸の精製方法

Also Published As

Publication number	Publication date
CA2028293A1 (fr)	1992-04-24

Legal Events

Date	Code	Title	Description
1993-10-15	EEER	Examination request
2008-10-23	MKLA	Lapsed

Publication	Publication Date	Title
US5084180A (en)	1992-01-28	Method for treating zinc-containing sulfate solution
US5135652A (en)	1992-08-04	Method for the solvent extraction of zinc
Owusu	1998	Selective extractions of Zn and Cd from Zn Cd Co Ni sulphate solution using di-2-ethylhexyl phosphoric acid extractant
EP0447448B1 (fr)	1994-09-07	Procede de purification d'acides a partir de materiaux comprenant un acide et un sel
CA1123373A (fr)	1982-05-11	Extraction et recuperation de l'acide par conversion electrolytique des ions ferreux en ions ferriques
AU2023329065B2 (en)	2025-10-02	Process for preparing a high-purity nickel sulphate solution
EP0247713B1 (fr)	1990-09-26	Méthode pour la purification d'un électrolyte de sulfate de zinc
DE102009010264B4 (de)	2015-04-23	Verfahren zur Aufreinigung lithiumhaltiger Abwässer bei der kontinuierlichen Herstellung von Lithiumübergangsmetallphosphaten
AU2022418104B2 (en)	2024-10-03	Process for preparing a high-purity nickel sulphate solution
US3458277A (en)	1969-07-29	Process for the recovery of molybdenum values as high purity ammonium paramolybdate from impure molybdenum-bearing solution,with optional recovery of rhenium values if present
US20200024757A1 (en)	2020-01-23	Production of Alkali Metal Hydroxide, Chloride and Sulfate via Electrodialysis and Subsequent Downstream Processing
US4144145A (en)	1979-03-13	Process for recovery of reusable chromic acid from the waste chromic acid solution containing impurities
CA1073216A (fr)	1980-03-11	Methode de separation du zinc et du cuivre en presence dans des solutions agneuses
US4371505A (en)	1983-02-01	Process for the recovery of uranium contained in an impure phosphoric acid
US5135626A (en)	1992-08-04	Method for purification of bases from materials comprising base and salt
US4600435A (en)	1986-07-15	Solvent extraction of cobalt (II) from sulfate solutions with cobalt extractants
EP0446296B1 (fr)	1995-10-25	Procede de purification de bases a partir de materiaux comprenant une base et un sel
FI69110B (fi)	1985-08-30	Process foer separation av kobolt fraon nickel
KR20230028221A (ko)	2023-02-28	황산코발트의 제조 방법
CA2936529A1 (fr)	2015-07-30	Procede de recuperation du cuivre et du zinc
US5064538A (en)	1991-11-12	Membrane process for acid recovery
DE1931426A1 (de)	1970-03-19	Verfahren zur Reinigung von Nickel und Nickelbegleitmetallen
US3573182A (en)	1971-03-30	Process for separating zinc and copper
JPH1150167A (ja)	1999-02-23	高純度コバルト溶液の製造方法
JP2004307270A (ja)	2004-11-04	コバルトとカルシウムを含む硫酸ニッケル水溶液の精製方法

CA2028293C - Methode pour le traitement d'une solution de sulfate contenant du zinc - Google Patents

Info

Links

Classifications

Landscapes

Priority Applications (1)

Applications Claiming Priority (1)

Publications (2)

Family

ID=4146223

Family Applications (1)

Country Status (1)

Cited By (1)

Families Citing this family (1)

Cited By (1)

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