ZA200508064B - Method for handling waste material generated in a metallurgical process - Google Patents
Method for handling waste material generated in a metallurgical process Download PDFInfo
- Publication number
- ZA200508064B ZA200508064B ZA200508064A ZA200508064A ZA200508064B ZA 200508064 B ZA200508064 B ZA 200508064B ZA 200508064 A ZA200508064 A ZA 200508064A ZA 200508064 A ZA200508064 A ZA 200508064A ZA 200508064 B ZA200508064 B ZA 200508064B
- Authority
- ZA
- South Africa
- Prior art keywords
- waste material
- precipitate
- particle size
- iron
- amount
- Prior art date
Links
- 239000002699 waste material Substances 0.000 title claims description 44
- 238000000034 method Methods 0.000 title claims description 31
- 238000010310 metallurgical process Methods 0.000 title description 2
- 239000002244 precipitate Substances 0.000 claims description 67
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 48
- 229910052742 iron Inorganic materials 0.000 claims description 24
- 239000002245 particle Substances 0.000 claims description 19
- 238000001914 filtration Methods 0.000 claims description 15
- 239000010440 gypsum Substances 0.000 claims description 15
- 229910052602 gypsum Inorganic materials 0.000 claims description 15
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 14
- 229910052725 zinc Inorganic materials 0.000 claims description 14
- 239000011701 zinc Substances 0.000 claims description 14
- 229910052935 jarosite Inorganic materials 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 229910052598 goethite Inorganic materials 0.000 claims description 3
- 229910052595 hematite Inorganic materials 0.000 claims description 3
- 239000011019 hematite Substances 0.000 claims description 3
- AEIXRCIKZIZYPM-UHFFFAOYSA-M hydroxy(oxo)iron Chemical compound [O][Fe]O AEIXRCIKZIZYPM-UHFFFAOYSA-M 0.000 claims description 3
- 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 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims 1
- 239000011777 magnesium Substances 0.000 description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 6
- 229910052749 magnesium Inorganic materials 0.000 description 6
- 239000000654 additive Substances 0.000 description 5
- 239000012141 concentrate Substances 0.000 description 5
- 150000002739 metals Chemical class 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
- 239000005864 Sulphur Substances 0.000 description 4
- 238000002386 leaching Methods 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000013078 crystal Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229910000000 metal hydroxide Inorganic materials 0.000 description 3
- 150000004692 metal hydroxides Chemical class 0.000 description 3
- 238000006386 neutralization reaction Methods 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 3
- 239000011686 zinc sulphate Substances 0.000 description 3
- 235000009529 zinc sulphate Nutrition 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 229910052793 cadmium Inorganic materials 0.000 description 2
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 2
- 239000000378 calcium silicate Substances 0.000 description 2
- 229910052918 calcium silicate Inorganic materials 0.000 description 2
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 2
- 230000004087 circulation Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000001117 sulphuric acid Substances 0.000 description 2
- 235000011149 sulphuric acid Nutrition 0.000 description 2
- 150000003568 thioethers Chemical class 0.000 description 2
- 239000005909 Kieselgur Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 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
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 235000014413 iron hydroxide Nutrition 0.000 description 1
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical class [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- -1 sodium hydroxide Chemical class 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
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/22—Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means, or by thermal decomposition
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D37/00—Processes of filtration
- B01D37/02—Precoating the filter medium; Addition of filter aids to the liquid being filtered
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
- C02F1/62—Heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20030612A FI20030612A (fi) | 2003-04-23 | 2003-04-23 | Menetelmä metallurgisessa prosessissa syntyvän jätemateriaalin käsittelemiseksi |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA200508064B true ZA200508064B (en) | 2006-07-26 |
Family
ID=8566010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA200508064A ZA200508064B (en) | 2003-04-23 | 2005-10-06 | Method for handling waste material generated in a metallurgical process |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US20060219640A1 (fi) |
| EP (1) | EP1616040A1 (fi) |
| KR (1) | KR20050118311A (fi) |
| CN (1) | CN1791690A (fi) |
| AU (1) | AU2004233408A1 (fi) |
| BR (1) | BRPI0409621A (fi) |
| CA (1) | CA2522087A1 (fi) |
| EA (1) | EA200501476A1 (fi) |
| FI (1) | FI20030612A (fi) |
| MX (1) | MXPA05011303A (fi) |
| PE (1) | PE20050214A1 (fi) |
| WO (1) | WO2004094677A1 (fi) |
| ZA (1) | ZA200508064B (fi) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0516912D0 (en) * | 2005-08-18 | 2005-09-28 | Fiset Gilles | Method and apparatus for the recovery of refractory mineral ores |
| FI123646B (fi) * | 2010-02-25 | 2013-08-30 | Outotec Oyj | Menetelmä kiintoaine-neste-erotuksen tehostamiseksi lateriittien liuotuksen yhteydessä |
| CN115247232B (zh) * | 2022-03-02 | 2024-04-09 | 广州大鱼创福科技有限公司 | 一种铁矾渣钙化产物沉降分离方法 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4305914A (en) * | 1977-05-09 | 1981-12-15 | Electrolytic Zinc Company | Process for precipitating iron as jarosite with a low non-ferrous metal content |
| US4128617A (en) * | 1977-07-11 | 1978-12-05 | Newmont Exploration Limited | Treatment of zinc calcines for zinc recovery |
| SU827424A1 (ru) * | 1978-10-09 | 1981-05-07 | Белорусский Ордена Трудового Крас-Ного Знамени Политехнический Институт | Способ обезвоживани осадка сточныхВОд |
| DE2920914A1 (de) * | 1979-05-23 | 1980-12-04 | Hoechst Ag | Verwendung von calciumsulfat zur entwaesserung von abwasserschlamm |
| FI65804C (fi) * | 1980-09-30 | 1984-07-10 | Outokumpu Oy | Hydrometallurgiskt foerfarande foer aotervinning av bly silveroch guld samt zink ur orena jarositaoterstoden fraon en e letrolytisk zinkprocess |
| US4647307A (en) * | 1983-01-18 | 1987-03-03 | Rein Raudsepp | Process for recovering gold and silver from refractory ores |
| EP0149501B1 (en) * | 1984-01-12 | 1989-11-08 | PELT & HOOYKAAS B.V. | A method of processing waste materials, particularly a sludge containing noxious metals |
| US4759913A (en) * | 1987-04-15 | 1988-07-26 | Freeport Research And Engineering Company | Recovery of liquid phases from three phase emulsions formed in solvent extraction processes |
| DE4009589A1 (de) * | 1990-03-26 | 1991-10-02 | Rainer Dipl Ing Braun | Verfahren zur entfernung von schwermetallen aus abwasser |
| US5120447A (en) * | 1991-03-06 | 1992-06-09 | Gte Products Corporation | Method for removing heavy metals from wastewater |
| WO2000017407A1 (en) * | 1998-09-21 | 2000-03-30 | M.I.M. Holdings Limited | Method for treating precious metal bearing minerals |
| FI20002699A0 (fi) * | 2000-12-08 | 2000-12-08 | Outokumpu Oy | Menetelmä raudan hydrolyyttiseksi saostamiseksi |
| FI115533B (fi) * | 2001-06-29 | 2005-05-31 | Outokumpu Oy | Menetelmä metallien poistamiseksi vesiliuoksista kalkkisaostuksella |
-
2003
- 2003-04-23 FI FI20030612A patent/FI20030612A/fi unknown
-
2004
- 2004-04-19 PE PE2004000383A patent/PE20050214A1/es not_active Application Discontinuation
- 2004-04-21 EA EA200501476A patent/EA200501476A1/ru unknown
- 2004-04-21 AU AU2004233408A patent/AU2004233408A1/en not_active Abandoned
- 2004-04-21 CA CA002522087A patent/CA2522087A1/en not_active Abandoned
- 2004-04-21 US US10/553,855 patent/US20060219640A1/en not_active Abandoned
- 2004-04-21 MX MXPA05011303A patent/MXPA05011303A/es unknown
- 2004-04-21 WO PCT/FI2004/000242 patent/WO2004094677A1/en not_active Application Discontinuation
- 2004-04-21 EP EP04728582A patent/EP1616040A1/en not_active Withdrawn
- 2004-04-21 KR KR1020057019994A patent/KR20050118311A/ko not_active Application Discontinuation
- 2004-04-21 CN CNA2004800106674A patent/CN1791690A/zh active Pending
- 2004-04-21 BR BRPI0409621-5A patent/BRPI0409621A/pt not_active IP Right Cessation
-
2005
- 2005-10-06 ZA ZA200508064A patent/ZA200508064B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| KR20050118311A (ko) | 2005-12-16 |
| MXPA05011303A (es) | 2006-02-28 |
| FI20030612A0 (fi) | 2003-04-23 |
| WO2004094677A1 (en) | 2004-11-04 |
| BRPI0409621A (pt) | 2006-04-18 |
| CA2522087A1 (en) | 2004-11-04 |
| PE20050214A1 (es) | 2005-04-26 |
| AU2004233408A1 (en) | 2004-11-04 |
| US20060219640A1 (en) | 2006-10-05 |
| EP1616040A1 (en) | 2006-01-18 |
| EA200501476A1 (ru) | 2006-06-30 |
| CN1791690A (zh) | 2006-06-21 |
| FI20030612A (fi) | 2004-10-24 |
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