DE2710267A1 - Nassmetallurgisches verfahren zur reinigung von zinkwertstoffen - Google Patents
Nassmetallurgisches verfahren zur reinigung von zinkwertstoffenInfo
- Publication number
- DE2710267A1 DE2710267A1 DE19772710267 DE2710267A DE2710267A1 DE 2710267 A1 DE2710267 A1 DE 2710267A1 DE 19772710267 DE19772710267 DE 19772710267 DE 2710267 A DE2710267 A DE 2710267A DE 2710267 A1 DE2710267 A1 DE 2710267A1
- Authority
- DE
- Germany
- Prior art keywords
- zinc
- solution
- organic phase
- aqueous
- valuable substances
- 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.)
- Withdrawn
Links
- 239000011701 zinc Substances 0.000 title claims description 123
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title claims description 109
- 229910052725 zinc Inorganic materials 0.000 title claims description 106
- 239000000463 material Substances 0.000 title claims description 17
- 238000004140 cleaning Methods 0.000 title claims description 5
- 238000010310 metallurgical process Methods 0.000 title claims description 4
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 52
- 239000000126 substance Substances 0.000 claims description 45
- 238000000605 extraction Methods 0.000 claims description 44
- 239000012074 organic phase Substances 0.000 claims description 42
- 238000000034 method Methods 0.000 claims description 40
- 230000002378 acidificating effect Effects 0.000 claims description 24
- 238000002386 leaching Methods 0.000 claims description 24
- 230000008569 process Effects 0.000 claims description 24
- 239000008346 aqueous phase Substances 0.000 claims description 18
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 17
- 238000005342 ion exchange Methods 0.000 claims description 15
- 239000012071 phase Substances 0.000 claims description 13
- 239000002253 acid Substances 0.000 claims description 11
- 239000003153 chemical reaction reagent Substances 0.000 claims description 11
- -1 bisulfite ions Chemical class 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 8
- 239000011707 mineral Substances 0.000 claims description 8
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 6
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical class OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims description 5
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 claims description 4
- 229910001424 calcium ion Inorganic materials 0.000 claims description 4
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical class [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical class OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 claims 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims 1
- 239000011575 calcium Substances 0.000 claims 1
- 229910052791 calcium Inorganic materials 0.000 claims 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 claims 1
- 150000004679 hydroxides Chemical class 0.000 claims 1
- 239000000243 solution Substances 0.000 description 85
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 32
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 27
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 19
- 238000000638 solvent extraction Methods 0.000 description 16
- 239000000047 product Substances 0.000 description 13
- 229910052742 iron Inorganic materials 0.000 description 12
- 239000003350 kerosene Substances 0.000 description 10
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 9
- 238000010586 diagram Methods 0.000 description 9
- 239000000203 mixture Substances 0.000 description 9
- 238000005868 electrolysis reaction Methods 0.000 description 8
- 239000007788 liquid Substances 0.000 description 8
- 239000002904 solvent Substances 0.000 description 8
- 239000005083 Zinc sulfide Substances 0.000 description 7
- 239000012141 concentrate Substances 0.000 description 7
- 235000010755 mineral Nutrition 0.000 description 7
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical compound CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 description 7
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 description 7
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 239000012535 impurity Substances 0.000 description 6
- 239000003960 organic solvent Substances 0.000 description 6
- 239000002244 precipitate Substances 0.000 description 6
- 229910052984 zinc sulfide Inorganic materials 0.000 description 6
- 239000007858 starting material Substances 0.000 description 5
- 229910021653 sulphate ion Inorganic materials 0.000 description 5
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 description 4
- 238000011068 loading method Methods 0.000 description 4
- 229920006395 saturated elastomer Polymers 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000010626 work up procedure Methods 0.000 description 4
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910019142 PO4 Inorganic materials 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 235000011132 calcium sulphate Nutrition 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 235000021317 phosphate Nutrition 0.000 description 3
- ZTUVUXVSZXNSCL-UHFFFAOYSA-L zinc;hydrogen sulfite Chemical compound [Zn+2].OS([O-])=O.OS([O-])=O ZTUVUXVSZXNSCL-UHFFFAOYSA-L 0.000 description 3
- 208000005156 Dehydration Diseases 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- PTFCDOFLOPIGGS-UHFFFAOYSA-N Zinc dication Chemical compound [Zn+2] PTFCDOFLOPIGGS-UHFFFAOYSA-N 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- GBAOBIBJACZTNA-UHFFFAOYSA-L calcium sulfite Chemical compound [Ca+2].[O-]S([O-])=O GBAOBIBJACZTNA-UHFFFAOYSA-L 0.000 description 2
- 235000010261 calcium sulphite Nutrition 0.000 description 2
- 238000012993 chemical processing Methods 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000011787 zinc oxide Substances 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-L Phosphate ion(2-) Chemical compound OP([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-L 0.000 description 1
- 239000004110 Zinc silicate Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 150000001450 anions Chemical group 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000001175 calcium sulphate Substances 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000002734 clay mineral Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- JTXUVYOABGUBMX-UHFFFAOYSA-N didodecyl hydrogen phosphate Chemical compound CCCCCCCCCCCCOP(O)(=O)OCCCCCCCCCCCC JTXUVYOABGUBMX-UHFFFAOYSA-N 0.000 description 1
- QHGRPTNUHWYCEN-UHFFFAOYSA-N dioctyl phenyl phosphate Chemical compound CCCCCCCCOP(=O)(OCCCCCCCC)OC1=CC=CC=C1 QHGRPTNUHWYCEN-UHFFFAOYSA-N 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- ZOIVSVWBENBHNT-UHFFFAOYSA-N dizinc;silicate Chemical compound [Zn+2].[Zn+2].[O-][Si]([O-])([O-])[O-] ZOIVSVWBENBHNT-UHFFFAOYSA-N 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 229910052595 hematite Inorganic materials 0.000 description 1
- 239000011019 hematite Substances 0.000 description 1
- 229910052864 hemimorphite Inorganic materials 0.000 description 1
- 150000004677 hydrates Chemical class 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 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 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- SDWUQIDETLBAIU-UHFFFAOYSA-N octyl phenyl hydrogen phosphate Chemical compound CCCCCCCCOP(O)(=O)OC1=CC=CC=C1 SDWUQIDETLBAIU-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000011877 solvent mixture Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 150000003752 zinc compounds Chemical class 0.000 description 1
- 235000019352 zinc silicate Nutrition 0.000 description 1
- 229960001763 zinc sulfate Drugs 0.000 description 1
- 229910000368 zinc sulfate Inorganic materials 0.000 description 1
- 239000011686 zinc sulphate Substances 0.000 description 1
- 235000009529 zinc sulphate Nutrition 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
- C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
- C22B3/38—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds containing phosphorus
- C22B3/384—Pentavalent phosphorus oxyacids, esters thereof
- C22B3/3846—Phosphoric acid, e.g. (O)P(OH)3
-
- 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
- C22B3/40—Mixtures
- C22B3/408—Mixtures using a mixture of phosphorus-based acid derivatives of different types
-
- 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)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Extraction Or Liquid Replacement (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/666,694 US4053552A (en) | 1976-03-15 | 1976-03-15 | Solvent extraction of zinc from sulfite-bisulfite solution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2710267A1 true DE2710267A1 (de) | 1977-09-22 |
Family
ID=24675041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19772710267 Withdrawn DE2710267A1 (de) | 1976-03-15 | 1977-03-09 | Nassmetallurgisches verfahren zur reinigung von zinkwertstoffen |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4053552A (enExample) |
| JP (1) | JPS52111417A (enExample) |
| AU (1) | AU498907B2 (enExample) |
| BE (1) | BE852209A (enExample) |
| CA (1) | CA1083830A (enExample) |
| DE (1) | DE2710267A1 (enExample) |
| FR (1) | FR2344637A1 (enExample) |
| GB (1) | GB1575959A (enExample) |
| IT (1) | IT1083725B (enExample) |
| MX (1) | MX144400A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0030067A1 (en) * | 1979-11-30 | 1981-06-10 | The Board Of Trustees Of The Michigan State University | Process for the extraction of metal ions |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5135652A (en) * | 1990-10-25 | 1992-08-04 | Cominco Ltd. | Method for the solvent extraction of zinc |
| BG109329A (en) * | 2005-10-20 | 2007-04-30 | "Оловно Цинков Комплекс" Ад | ZINC ELECTRIC EXTRACTION METHOD |
| US8524177B2 (en) | 2011-09-09 | 2013-09-03 | Canadus Chemical LLC | Process for purifying zinc oxide |
| CN109970135A (zh) * | 2019-04-09 | 2019-07-05 | 中南大学 | 硫酸钙和/或磷酸钙在去除湿法冶金萃余液中的toc的应用 |
| CN113999972B (zh) * | 2021-10-11 | 2023-09-08 | 苏州仕净科技股份有限公司 | 一种废弃金属复合材料资源化利用生产工艺 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1154602A (en) * | 1913-03-26 | 1915-09-28 | Otto Best | Hydrometallurgy of zinc. |
| US1180765A (en) * | 1914-05-04 | 1916-04-25 | Metals Extraction Corp Ltd | Extraction of zinc from its ores or products. |
| US1919947A (en) * | 1929-05-07 | 1933-07-25 | Virginia Smelting Company | Method of recovering metals and metallic oxides |
| US2992894A (en) * | 1957-10-01 | 1961-07-18 | Kerr Mc Gee Oil Ind Inc | Process for concentrating copper and zinc values present in aqueous solution |
| DE2449279A1 (de) * | 1973-10-31 | 1975-05-07 | Svenska Rayon Ab | Verfahren zur entfernung von zink aus waessrigen loesungen |
| DE2417510A1 (de) * | 1974-04-10 | 1975-10-30 | Bayer Ag | Verfahren zur extraktion von metallen aus waessrigen loesungen mit sauren phosphorverbindungen |
| FR2278626A1 (fr) * | 1974-07-15 | 1976-02-13 | Asturienne Mines Comp Royale | Procede de recuperation des boues de sulfates basiques, residus de traitement sulfurique de minerais |
-
1976
- 1976-03-15 US US05/666,694 patent/US4053552A/en not_active Expired - Lifetime
- 1976-12-29 CA CA268,781A patent/CA1083830A/en not_active Expired
-
1977
- 1977-01-17 AU AU21365/77A patent/AU498907B2/en not_active Expired
- 1977-02-22 JP JP1862577A patent/JPS52111417A/ja active Granted
- 1977-03-08 BE BE175579A patent/BE852209A/xx not_active IP Right Cessation
- 1977-03-08 FR FR7706791A patent/FR2344637A1/fr active Granted
- 1977-03-09 DE DE19772710267 patent/DE2710267A1/de not_active Withdrawn
- 1977-03-11 IT IT48428/77A patent/IT1083725B/it active
- 1977-03-14 GB GB10729/77A patent/GB1575959A/en not_active Expired
- 1977-03-14 MX MX168345A patent/MX144400A/es unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0030067A1 (en) * | 1979-11-30 | 1981-06-10 | The Board Of Trustees Of The Michigan State University | Process for the extraction of metal ions |
Also Published As
| Publication number | Publication date |
|---|---|
| BE852209A (nl) | 1977-07-01 |
| JPS52111417A (en) | 1977-09-19 |
| AU498907B2 (en) | 1979-03-29 |
| AU2136577A (en) | 1978-07-27 |
| GB1575959A (en) | 1980-10-01 |
| MX144400A (es) | 1981-10-08 |
| IT1083725B (it) | 1985-05-25 |
| CA1083830A (en) | 1980-08-19 |
| FR2344637B1 (enExample) | 1983-04-29 |
| US4053552A (en) | 1977-10-11 |
| FR2344637A1 (fr) | 1977-10-14 |
| JPS5723736B2 (enExample) | 1982-05-20 |
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