ZA200306518B - A method for the removal of calcium from a zinc process sulfate solution. - Google Patents
A method for the removal of calcium from a zinc process sulfate solution. Download PDFInfo
- Publication number
- ZA200306518B ZA200306518B ZA200306518A ZA200306518A ZA200306518B ZA 200306518 B ZA200306518 B ZA 200306518B ZA 200306518 A ZA200306518 A ZA 200306518A ZA 200306518 A ZA200306518 A ZA 200306518A ZA 200306518 B ZA200306518 B ZA 200306518B
- Authority
- ZA
- South Africa
- Prior art keywords
- solution
- calcium
- anhydrite
- zinc
- gypsum
- Prior art date
Links
- 239000011575 calcium Substances 0.000 title claims abstract description 65
- 229910052791 calcium Inorganic materials 0.000 title claims abstract description 61
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 title claims abstract description 54
- 239000011701 zinc Substances 0.000 title claims abstract description 32
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 229910052725 zinc Inorganic materials 0.000 title claims abstract description 31
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 title claims abstract description 8
- 238000000746 purification Methods 0.000 claims abstract description 31
- 238000002386 leaching Methods 0.000 claims abstract description 23
- 239000012141 concentrate Substances 0.000 claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 claims abstract description 4
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 54
- 229910052925 anhydrite Inorganic materials 0.000 claims description 47
- 239000013078 crystal Substances 0.000 claims description 30
- 238000001556 precipitation Methods 0.000 claims description 19
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 16
- 238000005868 electrolysis reaction Methods 0.000 claims description 10
- 229910052742 iron Inorganic materials 0.000 claims description 8
- 239000002002 slurry Substances 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 3
- 229910052602 gypsum Inorganic materials 0.000 description 43
- 239000010440 gypsum Substances 0.000 description 43
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 13
- 229960001763 zinc sulfate Drugs 0.000 description 13
- 229910000368 zinc sulfate Inorganic materials 0.000 description 13
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 3
- 235000011941 Tilia x europaea Nutrition 0.000 description 3
- 239000004571 lime Substances 0.000 description 3
- 239000011777 magnesium Substances 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 230000001376 precipitating effect Effects 0.000 description 3
- 239000013049 sediment Substances 0.000 description 3
- 239000002562 thickening agent Substances 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 229910052598 goethite Inorganic materials 0.000 description 2
- 229910052595 hematite Inorganic materials 0.000 description 2
- 239000011019 hematite Substances 0.000 description 2
- AEIXRCIKZIZYPM-UHFFFAOYSA-M hydroxy(oxo)iron Chemical compound [O][Fe]O AEIXRCIKZIZYPM-UHFFFAOYSA-M 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 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 2
- 229910052935 jarosite Inorganic materials 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009854 hydrometallurgy Methods 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- UGZADUVQMDAIAO-UHFFFAOYSA-L zinc hydroxide Chemical compound [OH-].[OH-].[Zn+2] UGZADUVQMDAIAO-UHFFFAOYSA-L 0.000 description 1
- 229940007718 zinc hydroxide Drugs 0.000 description 1
- 229910021511 zinc hydroxide Inorganic materials 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)
- Organic Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Geochemistry & Mineralogy (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Removal Of Specific Substances (AREA)
- Electrolytic Production Of Metals (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20010475A FI110268B (fi) | 2001-03-09 | 2001-03-09 | Menetelmä kalsiumin poistamiseksi sinkkiprosessin sulfaattiliuoksista |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA200306518B true ZA200306518B (en) | 2004-05-10 |
Family
ID=8560693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA200306518A ZA200306518B (en) | 2001-03-09 | 2003-08-21 | A method for the removal of calcium from a zinc process sulfate solution. |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US20040089103A1 (pt) |
| EP (1) | EP1366201B1 (pt) |
| JP (1) | JP2004531643A (pt) |
| KR (1) | KR100845171B1 (pt) |
| CN (1) | CN1230564C (pt) |
| AT (1) | ATE314493T1 (pt) |
| AU (1) | AU2002237341B2 (pt) |
| BR (1) | BR0207877A (pt) |
| CA (1) | CA2439914A1 (pt) |
| DE (1) | DE60208349D1 (pt) |
| EA (1) | EA005566B1 (pt) |
| ES (1) | ES2254648T3 (pt) |
| FI (1) | FI110268B (pt) |
| MX (1) | MXPA03008116A (pt) |
| NO (1) | NO20033860D0 (pt) |
| PE (1) | PE20020901A1 (pt) |
| WO (1) | WO2002072895A1 (pt) |
| ZA (1) | ZA200306518B (pt) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1884092B (zh) * | 2006-06-29 | 2012-05-30 | 株洲市兴民科技有限公司 | 一种脱除硫酸锌溶液中钙离子的方法 |
| JP5699988B2 (ja) * | 2012-06-12 | 2015-04-15 | 住友金属鉱山株式会社 | 希土類元素の回収方法 |
| ES2761674T3 (es) | 2015-12-21 | 2020-05-20 | Outotec Finland Oy | Eliminación de yeso de una solución de lixiviación |
| CN105755296B (zh) * | 2016-03-29 | 2018-12-28 | 云南华联锌铟股份有限公司 | 从锌湿法冶炼生产的硫酸锌溶液中脱除钙的方法 |
| CN105819485B (zh) * | 2016-03-29 | 2018-06-22 | 云南华联锌铟股份有限公司 | 从锌冶炼的含酸溶液中产出石膏的方法和装置 |
| CN110964914B (zh) * | 2019-12-30 | 2021-09-03 | 南丹县南方有色金属有限责任公司 | 一种湿法炼锌工艺中除钙镁的方法 |
| CN111647911B (zh) * | 2020-03-27 | 2022-09-13 | 昆明理工大学 | 一种脱除电解锰阳极液中镁离子的工艺 |
| CN114836624A (zh) * | 2022-04-20 | 2022-08-02 | 荆门市格林美新材料有限公司 | 一种氯化盐或者硫酸盐溶液的除钙方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3961908A (en) * | 1974-02-27 | 1976-06-08 | Freeport Minerals Company | Autoclave system for leaching sulfide concentrates |
| CA1049953A (en) * | 1975-10-22 | 1979-03-06 | Herbert Veltman | Two-stage pressure leaching process for zinc and iron bearing mineral sulphides |
| US4423012A (en) * | 1981-12-31 | 1983-12-27 | Hazen Research Incorporated | Manganese and zinc solvent extraction process |
| US4834793A (en) * | 1985-03-19 | 1989-05-30 | Hydrochem Developments Ltd. | Oxidation process for releasing metal values in which nitric acid is regenerated in situ |
| US5902474A (en) * | 1993-07-29 | 1999-05-11 | Cominco Engineering Services Ltd. | Chloride assisted hydrometallurgical extraction of metal |
| US5820966A (en) * | 1997-12-09 | 1998-10-13 | Inco Limited | Removal of arsenic from iron arsenic and sulfur dioxide containing solutions |
| CA2225370A1 (en) * | 1997-12-19 | 1999-06-19 | Walter Martin Macdonald | A process for recovering zinc values |
-
2001
- 2001-03-09 FI FI20010475A patent/FI110268B/fi active
-
2002
- 2002-02-22 PE PE2002000149A patent/PE20020901A1/es not_active Application Discontinuation
- 2002-03-08 DE DE60208349T patent/DE60208349D1/de not_active Expired - Lifetime
- 2002-03-08 KR KR1020037011812A patent/KR100845171B1/ko not_active IP Right Cessation
- 2002-03-08 AU AU2002237341A patent/AU2002237341B2/en not_active Ceased
- 2002-03-08 EP EP02703647A patent/EP1366201B1/en not_active Expired - Lifetime
- 2002-03-08 MX MXPA03008116A patent/MXPA03008116A/es active IP Right Grant
- 2002-03-08 ES ES02703647T patent/ES2254648T3/es not_active Expired - Lifetime
- 2002-03-08 CN CNB028062442A patent/CN1230564C/zh not_active Expired - Fee Related
- 2002-03-08 EA EA200300989A patent/EA005566B1/ru not_active IP Right Cessation
- 2002-03-08 WO PCT/FI2002/000181 patent/WO2002072895A1/en active IP Right Grant
- 2002-03-08 AT AT02703647T patent/ATE314493T1/de not_active IP Right Cessation
- 2002-03-08 CA CA002439914A patent/CA2439914A1/en not_active Abandoned
- 2002-03-08 US US10/471,533 patent/US20040089103A1/en not_active Abandoned
- 2002-03-08 BR BR0207877-5A patent/BR0207877A/pt active Search and Examination
- 2002-03-08 JP JP2002571945A patent/JP2004531643A/ja not_active Ceased
-
2003
- 2003-08-21 ZA ZA200306518A patent/ZA200306518B/en unknown
- 2003-09-01 NO NO20033860A patent/NO20033860D0/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| PE20020901A1 (es) | 2002-11-28 |
| AU2002237341B2 (en) | 2007-01-25 |
| EA200300989A1 (ru) | 2004-02-26 |
| KR100845171B1 (ko) | 2008-07-09 |
| EP1366201B1 (en) | 2005-12-28 |
| JP2004531643A (ja) | 2004-10-14 |
| FI20010475A0 (fi) | 2001-03-09 |
| EA005566B1 (ru) | 2005-04-28 |
| US20040089103A1 (en) | 2004-05-13 |
| FI110268B (fi) | 2002-12-31 |
| BR0207877A (pt) | 2004-06-22 |
| KR20030096274A (ko) | 2003-12-24 |
| WO2002072895A1 (en) | 2002-09-19 |
| CA2439914A1 (en) | 2002-09-19 |
| CN1230564C (zh) | 2005-12-07 |
| MXPA03008116A (es) | 2003-12-12 |
| ATE314493T1 (de) | 2006-01-15 |
| ES2254648T3 (es) | 2006-06-16 |
| NO20033860L (no) | 2003-09-01 |
| EP1366201A1 (en) | 2003-12-03 |
| NO20033860D0 (no) | 2003-09-01 |
| CN1496414A (zh) | 2004-05-12 |
| DE60208349D1 (de) | 2006-02-02 |
| FI20010475A (fi) | 2002-09-10 |
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