GB1594851A - Extraction of zinc - Google Patents
Extraction of zinc Download PDFInfo
- Publication number
- GB1594851A GB1594851A GB20466/77A GB2046677A GB1594851A GB 1594851 A GB1594851 A GB 1594851A GB 20466/77 A GB20466/77 A GB 20466/77A GB 2046677 A GB2046677 A GB 2046677A GB 1594851 A GB1594851 A GB 1594851A
- Authority
- GB
- United Kingdom
- Prior art keywords
- zinc
- ore
- leach liquor
- hydrogen peroxide
- extraction
- Prior art date
- 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
Links
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title claims description 56
- 229910052725 zinc Inorganic materials 0.000 title claims description 56
- 239000011701 zinc Substances 0.000 title claims description 56
- 238000000605 extraction Methods 0.000 title claims description 22
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 78
- 238000000034 method Methods 0.000 claims description 59
- 239000007800 oxidant agent Substances 0.000 claims description 33
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 30
- 235000011149 sulphuric acid Nutrition 0.000 claims description 30
- 239000001117 sulphuric acid Substances 0.000 claims description 29
- 238000002386 leaching Methods 0.000 claims description 26
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
- 239000002245 particle Substances 0.000 claims description 14
- 239000005083 Zinc sulfide Substances 0.000 claims description 12
- 229910052802 copper Inorganic materials 0.000 claims description 12
- 239000010949 copper Substances 0.000 claims description 12
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 claims description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 11
- 239000002253 acid Substances 0.000 claims description 9
- 229910052950 sphalerite Inorganic materials 0.000 claims description 9
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 230000001590 oxidative effect Effects 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 230000003647 oxidation Effects 0.000 claims description 6
- 238000007254 oxidation reaction Methods 0.000 claims description 6
- 238000009835 boiling Methods 0.000 claims description 5
- 229940075397 calomel Drugs 0.000 claims description 5
- ZOMNIUBKTOKEHS-UHFFFAOYSA-L dimercury dichloride Chemical compound Cl[Hg][Hg]Cl ZOMNIUBKTOKEHS-UHFFFAOYSA-L 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 5
- FHHJDRFHHWUPDG-UHFFFAOYSA-N peroxysulfuric acid Chemical compound OOS(O)(=O)=O FHHJDRFHHWUPDG-UHFFFAOYSA-N 0.000 claims description 5
- 229910052786 argon Inorganic materials 0.000 claims description 4
- 150000002506 iron compounds Chemical class 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims description 4
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 2
- 239000011261 inert gas Substances 0.000 claims description 2
- 238000001556 precipitation Methods 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- 239000000243 solution Substances 0.000 description 39
- 238000006243 chemical reaction Methods 0.000 description 9
- 239000012141 concentrate Substances 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 229910052951 chalcopyrite Inorganic materials 0.000 description 6
- DVRDHUBQLOKMHZ-UHFFFAOYSA-N chalcopyrite Chemical compound [S-2].[S-2].[Fe+2].[Cu+2] DVRDHUBQLOKMHZ-UHFFFAOYSA-N 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 6
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- 229910052785 arsenic Inorganic materials 0.000 description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 description 4
- 239000011707 mineral Substances 0.000 description 4
- 229910052683 pyrite Inorganic materials 0.000 description 4
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 description 4
- 239000011028 pyrite Substances 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 239000005864 Sulphur Substances 0.000 description 3
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 3
- 229910052964 arsenopyrite Inorganic materials 0.000 description 3
- MJLGNAGLHAQFHV-UHFFFAOYSA-N arsenopyrite Chemical compound [S-2].[Fe+3].[As-] MJLGNAGLHAQFHV-UHFFFAOYSA-N 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 239000000908 ammonium hydroxide Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 235000010269 sulphur dioxide Nutrition 0.000 description 2
- 239000004291 sulphur dioxide Substances 0.000 description 2
- 229910052718 tin Inorganic materials 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 150000003863 ammonium salts Chemical class 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
- 238000013459 approach Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- BWFPGXWASODCHM-UHFFFAOYSA-N copper monosulfide Chemical compound [Cu]=S BWFPGXWASODCHM-UHFFFAOYSA-N 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910052949 galena Inorganic materials 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- XCAUINMIESBTBL-UHFFFAOYSA-N lead(ii) sulfide Chemical compound [Pb]=S XCAUINMIESBTBL-UHFFFAOYSA-N 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 230000002572 peristaltic effect Effects 0.000 description 1
- JRKICGRDRMAZLK-UHFFFAOYSA-L peroxydisulfate Chemical compound [O-]S(=O)(=O)OOS([O-])(=O)=O JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- BITYAPCSNKJESK-UHFFFAOYSA-N potassiosodium Chemical compound [Na].[K] BITYAPCSNKJESK-UHFFFAOYSA-N 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- -1 pyrite Chemical class 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- WGPCGCOKHWGKJJ-UHFFFAOYSA-N sulfanylidenezinc Chemical compound [Zn]=S WGPCGCOKHWGKJJ-UHFFFAOYSA-N 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- 229910052984 zinc sulfide 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
- C22B19/00—Obtaining zinc or zinc oxide
- C22B19/20—Obtaining zinc otherwise than by distilling
- C22B19/22—Obtaining zinc otherwise than by distilling with leaching with acids
-
- 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)
- Extraction Or Liquid Replacement (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Coloring Foods And Improving Nutritive Qualities (AREA)
Priority Applications (17)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB20466/77A GB1594851A (en) | 1977-05-16 | 1977-05-16 | Extraction of zinc |
| AR271871A AR215928A1 (es) | 1977-05-16 | 1978-04-24 | Procedimiento para extraer cinc de mineral que contiene sulfuro de cinc |
| ZA00782397A ZA782397B (en) | 1977-05-16 | 1978-04-26 | Metal extraction |
| CA000302419A CA1116872A (fr) | 1977-05-16 | 1978-05-02 | Procede hydrometallurgique pour la separation du zinc |
| FI781345A FI781345A (fi) | 1977-05-16 | 1978-05-02 | Metallextraktion |
| AU35699/78A AU520274B2 (en) | 1977-05-16 | 1978-05-03 | Leaching zinc sulphide |
| ZM47/78A ZM4778A1 (en) | 1977-05-16 | 1978-05-09 | Metal extraction |
| ES469686A ES469686A1 (es) | 1977-05-16 | 1978-05-10 | Un procedimiento para la extraccion del cinc de un mineral que contiene sulfuro de cinc. |
| FR7814516A FR2391284A1 (fr) | 1977-05-16 | 1978-05-11 | Procede d'extraction de zinc d'un minerai contenant du sulfure de zinc |
| NO78781675A NO781675L (no) | 1977-05-16 | 1978-05-11 | Fremgangsmaate til utvinning av sink fra sinksulfid-holdige malmer |
| SE7805439A SE7805439L (sv) | 1977-05-16 | 1978-05-11 | Forfarande for utvinning av zink fran zinksulfidhaltiga malmer |
| NL7805099A NL7805099A (nl) | 1977-05-16 | 1978-05-11 | Werkwijze ter winning van zink uit zinksulfide bevat- tende ertsen. |
| BE1008875A BE866937A (fr) | 1977-05-16 | 1978-05-11 | Procede d'extraction de zinc d'un minerai contenant du sulfure de zinc |
| BR7803060A BR7803060A (pt) | 1977-05-16 | 1978-05-15 | Processo para extracao de zinco |
| IT49361/78A IT1103492B (it) | 1977-05-16 | 1978-05-15 | Perfezionamento nei procedimenti di estrazione dei metalli dai minerali relativi in particolare nella estrazione dello zinco dai suoi minerali |
| DE19782821309 DE2821309A1 (de) | 1977-05-16 | 1978-05-16 | Verfahren zum extrahieren von zinkwertstoffen aus einem zinksulfid enthaltenden erz |
| JP5813478A JPS53142317A (en) | 1977-05-16 | 1978-05-16 | Method of extracting metal from ore |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB20466/77A GB1594851A (en) | 1977-05-16 | 1977-05-16 | Extraction of zinc |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1594851A true GB1594851A (en) | 1981-08-05 |
Family
ID=10146408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB20466/77A Expired GB1594851A (en) | 1977-05-16 | 1977-05-16 | Extraction of zinc |
Country Status (17)
| Country | Link |
|---|---|
| JP (1) | JPS53142317A (fr) |
| AR (1) | AR215928A1 (fr) |
| AU (1) | AU520274B2 (fr) |
| BE (1) | BE866937A (fr) |
| BR (1) | BR7803060A (fr) |
| CA (1) | CA1116872A (fr) |
| DE (1) | DE2821309A1 (fr) |
| ES (1) | ES469686A1 (fr) |
| FI (1) | FI781345A (fr) |
| FR (1) | FR2391284A1 (fr) |
| GB (1) | GB1594851A (fr) |
| IT (1) | IT1103492B (fr) |
| NL (1) | NL7805099A (fr) |
| NO (1) | NO781675L (fr) |
| SE (1) | SE7805439L (fr) |
| ZA (1) | ZA782397B (fr) |
| ZM (1) | ZM4778A1 (fr) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0049064A1 (fr) * | 1980-09-27 | 1982-04-07 | Interox Chemicals Limited | Procédé de récupération du vanadium |
| WO1997037048A1 (fr) * | 1996-03-28 | 1997-10-09 | Ufz-Umweltforschungszentrum Leipzig-Halle Gmbh | Procede pour separer des materiaux contenant du sulfure a l'aide du peroxyde d'hydrogene |
| WO1999066085A1 (fr) * | 1998-06-12 | 1999-12-23 | Protium Metals Inc. | Traitement des pyrites et des ferrites metalliques grillees par lessivage a l'acide peroxysulfurique |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1595073A (en) * | 1977-05-03 | 1981-08-05 | Interox Chemicals Ltd | Uranium extraction |
| US4344923A (en) * | 1978-10-21 | 1982-08-17 | Interox Chemicals Limited | In-situ leaching |
| CA1147971A (fr) * | 1980-05-08 | 1983-06-14 | George J. Houlachi | Methode d'oxydation des ions ferreux a l'etat ferrique presents dans les solutions de lixiviation au sulfate |
| EP1939310A1 (fr) * | 2006-12-28 | 2008-07-02 | Asturiana De Zinc, S.A. | Extraction du zinc de concentrés de minerais sulfurés par lixiviation atmosphérique à l'acide sulfurique à acidité contrôlée |
| DE102015110179B3 (de) * | 2015-06-24 | 2016-12-29 | Condias Gmbh | Verfahren zur Behandlung von festem Ausgangsmaterial |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE862056C (de) * | 1938-11-29 | 1953-01-08 | Unterharzer Berg Und Huettenwe | Verfahren zum Abscheiden von Arsen aus Laugen |
| US3630669A (en) * | 1967-12-26 | 1971-12-28 | Mitsubishi Edogawa Kagaku Kk | Process for removing impurities in the liquid of zinc refining by wet method |
| FR1586339A (fr) * | 1968-10-16 | 1970-02-13 | ||
| CA1040867A (fr) * | 1974-08-22 | 1978-10-24 | Kohur N. Subramanian | Extraction du fer en presence dans les solutions ou les boues de zinc |
| BE830450A (fr) * | 1975-06-19 | 1975-12-19 | Procede d'elimination des impuretes contenues dans une solution de sulfate du groupe du zinc et du cadmium |
-
1977
- 1977-05-16 GB GB20466/77A patent/GB1594851A/en not_active Expired
-
1978
- 1978-04-24 AR AR271871A patent/AR215928A1/es active
- 1978-04-26 ZA ZA00782397A patent/ZA782397B/xx unknown
- 1978-05-02 CA CA000302419A patent/CA1116872A/fr not_active Expired
- 1978-05-02 FI FI781345A patent/FI781345A/fi not_active Application Discontinuation
- 1978-05-03 AU AU35699/78A patent/AU520274B2/en not_active Expired
- 1978-05-09 ZM ZM47/78A patent/ZM4778A1/xx unknown
- 1978-05-10 ES ES469686A patent/ES469686A1/es not_active Expired
- 1978-05-11 BE BE1008875A patent/BE866937A/fr unknown
- 1978-05-11 FR FR7814516A patent/FR2391284A1/fr not_active Withdrawn
- 1978-05-11 NO NO78781675A patent/NO781675L/no unknown
- 1978-05-11 SE SE7805439A patent/SE7805439L/xx unknown
- 1978-05-11 NL NL7805099A patent/NL7805099A/xx not_active Application Discontinuation
- 1978-05-15 BR BR7803060A patent/BR7803060A/pt unknown
- 1978-05-15 IT IT49361/78A patent/IT1103492B/it active
- 1978-05-16 JP JP5813478A patent/JPS53142317A/ja active Pending
- 1978-05-16 DE DE19782821309 patent/DE2821309A1/de not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0049064A1 (fr) * | 1980-09-27 | 1982-04-07 | Interox Chemicals Limited | Procédé de récupération du vanadium |
| WO1997037048A1 (fr) * | 1996-03-28 | 1997-10-09 | Ufz-Umweltforschungszentrum Leipzig-Halle Gmbh | Procede pour separer des materiaux contenant du sulfure a l'aide du peroxyde d'hydrogene |
| WO1999066085A1 (fr) * | 1998-06-12 | 1999-12-23 | Protium Metals Inc. | Traitement des pyrites et des ferrites metalliques grillees par lessivage a l'acide peroxysulfurique |
Also Published As
| Publication number | Publication date |
|---|---|
| ES469686A1 (es) | 1978-12-16 |
| FI781345A (fi) | 1978-11-17 |
| SE7805439L (sv) | 1978-11-17 |
| IT1103492B (it) | 1985-10-14 |
| IT7849361A0 (it) | 1978-05-15 |
| ZA782397B (en) | 1979-04-25 |
| JPS53142317A (en) | 1978-12-12 |
| CA1116872A (fr) | 1982-01-26 |
| AR215928A1 (es) | 1979-11-15 |
| NL7805099A (nl) | 1978-11-20 |
| NO781675L (no) | 1978-11-17 |
| ZM4778A1 (en) | 1980-02-21 |
| AU520274B2 (en) | 1982-01-21 |
| DE2821309A1 (de) | 1978-11-30 |
| BE866937A (fr) | 1978-11-13 |
| AU3569978A (en) | 1979-11-08 |
| BR7803060A (pt) | 1979-05-08 |
| FR2391284A1 (fr) | 1978-12-15 |
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