DE1583898B2 - Verfahren zum reinigen oxidischer eisenerze - Google Patents
Verfahren zum reinigen oxidischer eisenerzeInfo
- Publication number
- DE1583898B2 DE1583898B2 DE19671583898 DE1583898A DE1583898B2 DE 1583898 B2 DE1583898 B2 DE 1583898B2 DE 19671583898 DE19671583898 DE 19671583898 DE 1583898 A DE1583898 A DE 1583898A DE 1583898 B2 DE1583898 B2 DE 1583898B2
- Authority
- DE
- Germany
- Prior art keywords
- iron
- carrier gas
- water
- hydrogen halide
- ores
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 26
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims description 24
- 229910052742 iron Inorganic materials 0.000 title claims description 13
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 48
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 44
- 239000007789 gas Substances 0.000 claims description 30
- 235000019270 ammonium chloride Nutrition 0.000 claims description 22
- 238000002485 combustion reaction Methods 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 238000006243 chemical reaction Methods 0.000 claims description 21
- 239000012159 carrier gas Substances 0.000 claims description 20
- 229910000039 hydrogen halide Inorganic materials 0.000 claims description 20
- 239000012433 hydrogen halide Substances 0.000 claims description 20
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 20
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 18
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 17
- 239000000243 solution Substances 0.000 claims description 16
- 229910052785 arsenic Inorganic materials 0.000 claims description 15
- 239000010949 copper Substances 0.000 claims description 15
- 235000013980 iron oxide Nutrition 0.000 claims description 14
- 229910052802 copper Inorganic materials 0.000 claims description 13
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 claims description 12
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 claims description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 10
- 238000011282 treatment Methods 0.000 claims description 10
- 229910021529 ammonia Inorganic materials 0.000 claims description 9
- 229910052750 molybdenum Inorganic materials 0.000 claims description 9
- 230000015572 biosynthetic process Effects 0.000 claims description 8
- 229930195733 hydrocarbon Natural products 0.000 claims description 8
- 150000002430 hydrocarbons Chemical class 0.000 claims description 8
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 7
- 229910052787 antimony Inorganic materials 0.000 claims description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 150000004820 halides Chemical class 0.000 claims description 7
- 239000012535 impurity Substances 0.000 claims description 7
- 239000011733 molybdenum Substances 0.000 claims description 7
- 230000007935 neutral effect Effects 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 claims description 7
- 239000011028 pyrite Substances 0.000 claims description 7
- 229910052683 pyrite Inorganic materials 0.000 claims description 7
- 239000011135 tin Substances 0.000 claims description 7
- 229910052718 tin Inorganic materials 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims description 5
- 239000000460 chlorine Substances 0.000 claims description 5
- 239000011019 hematite Substances 0.000 claims description 5
- 229910052595 hematite Inorganic materials 0.000 claims description 5
- -1 iron halide Chemical class 0.000 claims description 5
- 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 5
- 239000000463 material Substances 0.000 claims description 5
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 4
- 239000000446 fuel Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- 239000011669 selenium Substances 0.000 claims description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 claims description 3
- 229910052790 beryllium Inorganic materials 0.000 claims description 3
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 239000011651 chromium Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 238000000746 purification Methods 0.000 claims description 3
- 229910052711 selenium Inorganic materials 0.000 claims description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 2
- 229910052797 bismuth Inorganic materials 0.000 claims description 2
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims description 2
- 229910052801 chlorine Inorganic materials 0.000 claims description 2
- 229910052736 halogen Inorganic materials 0.000 claims description 2
- 230000026030 halogenation Effects 0.000 claims description 2
- 238000005658 halogenation reaction Methods 0.000 claims description 2
- 150000002367 halogens Chemical class 0.000 claims description 2
- 230000001590 oxidative effect Effects 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 229910052748 manganese Inorganic materials 0.000 claims 6
- 239000011572 manganese Substances 0.000 claims 6
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims 5
- 239000004215 Carbon black (E152) Substances 0.000 claims 4
- 238000005660 chlorination reaction Methods 0.000 claims 2
- 239000000567 combustion gas Substances 0.000 claims 2
- 150000002736 metal compounds Chemical class 0.000 claims 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims 1
- 241001676573 Minium Species 0.000 claims 1
- 238000003723 Smelting Methods 0.000 claims 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims 1
- KODMFZHGYSZSHL-UHFFFAOYSA-N aluminum bismuth Chemical compound [Al].[Bi] KODMFZHGYSZSHL-UHFFFAOYSA-N 0.000 claims 1
- 230000006735 deficit Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 229910044991 metal oxide Inorganic materials 0.000 claims 1
- 150000004706 metal oxides Chemical class 0.000 claims 1
- 230000003647 oxidation Effects 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 claims 1
- 229910052717 sulfur Inorganic materials 0.000 claims 1
- 239000011593 sulfur Substances 0.000 claims 1
- 239000000047 product Substances 0.000 description 13
- 150000001805 chlorine compounds Chemical class 0.000 description 12
- 239000011133 lead Substances 0.000 description 12
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 10
- 229910052725 zinc Inorganic materials 0.000 description 10
- 239000011701 zinc Substances 0.000 description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 8
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 8
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 6
- 238000005243 fluidization Methods 0.000 description 5
- 239000003345 natural gas Substances 0.000 description 5
- 239000002253 acid Substances 0.000 description 4
- COHDHYZHOPQOFD-UHFFFAOYSA-N arsenic pentoxide Chemical compound O=[As](=O)O[As](=O)=O COHDHYZHOPQOFD-UHFFFAOYSA-N 0.000 description 4
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 239000000377 silicon dioxide Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000000470 constituent Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000002737 fuel gas Substances 0.000 description 3
- 150000004679 hydroxides Chemical class 0.000 description 3
- 229910052745 lead Inorganic materials 0.000 description 3
- 229910001510 metal chloride Inorganic materials 0.000 description 3
- 235000012239 silicon dioxide Nutrition 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 description 2
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- 229910021591 Copper(I) chloride Inorganic materials 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- OEYOHULQRFXULB-UHFFFAOYSA-N arsenic trichloride Chemical compound Cl[As](Cl)Cl OEYOHULQRFXULB-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 150000001649 bromium compounds Chemical class 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- 238000005234 chemical deposition Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- OXBLHERUFWYNTN-UHFFFAOYSA-M copper(I) chloride Chemical compound [Cu]Cl OXBLHERUFWYNTN-UHFFFAOYSA-M 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 150000002222 fluorine compounds Chemical class 0.000 description 1
- 239000007792 gaseous phase Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000004941 influx Effects 0.000 description 1
- 150000004694 iodide salts Chemical class 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- 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 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 239000006200 vaporizer Substances 0.000 description 1
- 235000005074 zinc chloride Nutrition 0.000 description 1
- 239000011592 zinc chloride Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/02—Oxides; Hydroxides
-
- 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
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/02—Roasting processes
-
- 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
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/02—Roasting processes
- C22B1/08—Chloridising roasting
-
- 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
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Metallurgy (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Inorganic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Glass Compositions (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR87887A FR1505161A (fr) | 1966-12-16 | 1966-12-16 | Procédé d'épuration des oxydes de fer obtenus par grillage de minerais sulfurés |
| FR123049A FR1548471A (en:Method) | 1967-10-02 | 1967-10-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE1583898A1 DE1583898A1 (de) | 1971-10-07 |
| DE1583898B2 true DE1583898B2 (de) | 1973-05-10 |
Family
ID=26174379
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19671583898 Pending DE1583898B2 (de) | 1966-12-16 | 1967-12-06 | Verfahren zum reinigen oxidischer eisenerze |
| DE1783162A Pending DE1783162B2 (de) | 1966-12-16 | 1967-12-06 | Verfahren zum Aufschließen von oxidischen Nicht-Eisenerzen Ausscheidung aus: 1583898 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1783162A Pending DE1783162B2 (de) | 1966-12-16 | 1967-12-06 | Verfahren zum Aufschließen von oxidischen Nicht-Eisenerzen Ausscheidung aus: 1583898 |
Country Status (7)
| Country | Link |
|---|---|
| BE (1) | BE707207A (en:Method) |
| DE (2) | DE1583898B2 (en:Method) |
| ES (2) | ES348303A1 (en:Method) |
| FI (1) | FI47906B (en:Method) |
| GB (1) | GB1203967A (en:Method) |
| NL (1) | NL6717139A (en:Method) |
| NO (1) | NO121809B (en:Method) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0423213D0 (en) | 2004-10-20 | 2004-11-24 | Orlake Estates Ltd | Extraction process |
| UA87951C2 (ru) * | 2008-12-22 | 2009-08-25 | Общество С Ограниченной Ответственностью "Группа "Энерго" | Способ очистки железной руды от мышьяка и фосфора |
| GB0900677D0 (en) | 2009-01-16 | 2009-02-25 | Minex Technologies Ltd | Metal recovery process |
| GB201911658D0 (en) * | 2019-08-14 | 2019-09-25 | Minex Tech Group Limited | Metal recovery process |
| CN118369293A (zh) | 2021-12-10 | 2024-07-19 | 巴斯夫欧洲公司 | 用于精炼氧化铁的方法、由此得到的氧化铁及其用途 |
-
1967
- 1967-11-28 BE BE707207A patent/BE707207A/xx unknown
- 1967-12-06 DE DE19671583898 patent/DE1583898B2/de active Pending
- 1967-12-06 DE DE1783162A patent/DE1783162B2/de active Pending
- 1967-12-14 GB GB56843/67A patent/GB1203967A/en not_active Expired
- 1967-12-14 NO NO170981A patent/NO121809B/no unknown
- 1967-12-15 FI FI03343/67A patent/FI47906B/fi active
- 1967-12-15 ES ES348303A patent/ES348303A1/es not_active Expired
- 1967-12-15 NL NL6717139A patent/NL6717139A/xx unknown
-
1969
- 1969-01-12 ES ES362072A patent/ES362072A2/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1783162A1 (de) | 1973-08-16 |
| FI47906B (en:Method) | 1974-01-02 |
| NL6717139A (en:Method) | 1968-06-17 |
| NO121809B (en:Method) | 1971-04-13 |
| ES362072A2 (es) | 1971-01-16 |
| BE707207A (en:Method) | 1968-04-01 |
| DE1783162B2 (de) | 1974-12-19 |
| DE1583898A1 (de) | 1971-10-07 |
| ES348303A1 (es) | 1969-06-16 |
| GB1203967A (en) | 1970-09-03 |
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