FI60381C - Foerfarande foer framstaellning av en jaernfri krom(iii)foerening - Google Patents
Foerfarande foer framstaellning av en jaernfri krom(iii)foerening Download PDFInfo
- Publication number
- FI60381C FI60381C FI790391A FI790391A FI60381C FI 60381 C FI60381 C FI 60381C FI 790391 A FI790391 A FI 790391A FI 790391 A FI790391 A FI 790391A FI 60381 C FI60381 C FI 60381C
- Authority
- FI
- Finland
- Prior art keywords
- chromium
- solution
- iron
- divalent
- precipitation
- Prior art date
Links
- 239000011651 chromium Substances 0.000 claims description 91
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 81
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 79
- 229910052804 chromium Inorganic materials 0.000 claims description 79
- 239000000243 solution Substances 0.000 claims description 52
- 229910052742 iron Inorganic materials 0.000 claims description 39
- 238000001556 precipitation Methods 0.000 claims description 23
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 19
- 230000008569 process Effects 0.000 claims description 15
- 229910000604 Ferrochrome Inorganic materials 0.000 claims description 11
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 9
- 239000002244 precipitate Substances 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 7
- 239000000047 product Substances 0.000 claims description 7
- 230000002378 acidificating effect Effects 0.000 claims description 5
- 239000007864 aqueous solution Substances 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 5
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 4
- -1 chromium (III) compound Chemical class 0.000 claims description 4
- 239000011777 magnesium Substances 0.000 claims description 4
- 229910052749 magnesium Inorganic materials 0.000 claims description 4
- 230000001376 precipitating effect Effects 0.000 claims description 4
- 238000000975 co-precipitation Methods 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims description 2
- BFGKITSFLPAWGI-UHFFFAOYSA-N chromium(3+) Chemical compound [Cr+3] BFGKITSFLPAWGI-UHFFFAOYSA-N 0.000 claims 1
- 238000001035 drying Methods 0.000 claims 1
- 238000000227 grinding Methods 0.000 claims 1
- 238000007885 magnetic separation Methods 0.000 claims 1
- 238000002156 mixing Methods 0.000 claims 1
- 238000004090 dissolution Methods 0.000 description 9
- WGLPBDUCMAPZCE-UHFFFAOYSA-N chromium trioxide Inorganic materials O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 229910000423 chromium oxide Inorganic materials 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 238000002425 crystallisation Methods 0.000 description 4
- 230000008025 crystallization Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 2
- 229940117975 chromium trioxide Drugs 0.000 description 2
- GAMDZJFZMJECOS-UHFFFAOYSA-N chromium(6+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Cr+6] GAMDZJFZMJECOS-UHFFFAOYSA-N 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 238000002386 leaching Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000001447 alkali salts Chemical class 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 150000001844 chromium Chemical class 0.000 description 1
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 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
- 229940125782 compound 2 Drugs 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- SOCTUWSJJQCPFX-UHFFFAOYSA-N dichromate(2-) Chemical compound [O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O SOCTUWSJJQCPFX-UHFFFAOYSA-N 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 235000003891 ferrous sulphate Nutrition 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 150000002506 iron compounds Chemical class 0.000 description 1
- 230000007246 mechanism Effects 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
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- WBHQBSYUUJJSRZ-UHFFFAOYSA-M sodium bisulfate Chemical compound [Na+].OS([O-])(=O)=O WBHQBSYUUJJSRZ-UHFFFAOYSA-M 0.000 description 1
- 229910000342 sodium bisulfate Inorganic materials 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G37/00—Compounds of chromium
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G37/00—Compounds of chromium
- C01G37/02—Oxides or hydrates thereof
-
- 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)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Compounds Of Iron (AREA)
- Removal Of Specific Substances (AREA)
Priority Applications (11)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI790391A FI60381C (fi) | 1979-02-06 | 1979-02-06 | Foerfarande foer framstaellning av en jaernfri krom(iii)foerening |
| ZA00800505A ZA80505B (en) | 1979-02-06 | 1980-01-28 | Process for the production of an iron-free chromium (iii) compound |
| AU55015/80A AU5501580A (en) | 1979-02-06 | 1980-01-29 | Iron-free chromium compound |
| GR61084A GR66007B (Direct) | 1979-02-06 | 1980-01-30 | |
| BR8000616A BR8000616A (pt) | 1979-02-06 | 1980-01-31 | Processo para a precipitacao a elevadas temperatura e pressao, de um composto de cromo, substancialmente isento de ferro |
| AT0055480A AT373857B (de) | 1979-02-06 | 1980-02-01 | Verfahren zum faellen einer im wesentlichen eisenfreien chrom(iii)-verbindung |
| SE8000918A SE435492B (sv) | 1979-02-06 | 1980-02-05 | Forfarande for utfellning av en vesentligen jernfri krom(iii)forening |
| TR20612A TR20612A (tr) | 1979-02-06 | 1980-02-05 | Demirden azade bir krom(iii)bilesiginin ueretilmesine mahsus usuel |
| DE19803004174 DE3004174A1 (de) | 1979-02-06 | 1980-02-05 | Verfahren zum faellen von im wesentlichen eisenfreien chrom(iii)-verbindungen |
| GB8003757A GB2042489B (en) | 1979-02-06 | 1980-02-05 | Production of a substantially iron-free chromium (iii) compound |
| CA000345153A CA1151845A (en) | 1979-02-06 | 1980-02-06 | Process for the production of an iron-free chromium (iii) compound |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI790391A FI60381C (fi) | 1979-02-06 | 1979-02-06 | Foerfarande foer framstaellning av en jaernfri krom(iii)foerening |
| FI790391 | 1979-02-06 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI790391A7 FI790391A7 (fi) | 1980-08-07 |
| FI60381B FI60381B (fi) | 1981-09-30 |
| FI60381C true FI60381C (fi) | 1982-01-11 |
Family
ID=8512366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI790391A FI60381C (fi) | 1979-02-06 | 1979-02-06 | Foerfarande foer framstaellning av en jaernfri krom(iii)foerening |
Country Status (11)
| Country | Link |
|---|---|
| AT (1) | AT373857B (Direct) |
| AU (1) | AU5501580A (Direct) |
| BR (1) | BR8000616A (Direct) |
| CA (1) | CA1151845A (Direct) |
| DE (1) | DE3004174A1 (Direct) |
| FI (1) | FI60381C (Direct) |
| GB (1) | GB2042489B (Direct) |
| GR (1) | GR66007B (Direct) |
| SE (1) | SE435492B (Direct) |
| TR (1) | TR20612A (Direct) |
| ZA (1) | ZA80505B (Direct) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI61855C (fi) * | 1980-08-05 | 1982-10-11 | Outokumpu Oy | Foerfarande foer framstaellning av en jaernfri krom(iii)foerening |
| GB2118559B (en) * | 1982-02-02 | 1985-07-31 | Giuliano Guardini | Process for extracting protein and chromium from chrome tanned hide wastes |
| DE4408614A1 (de) * | 1994-03-15 | 1995-09-28 | Hoechst Ag | Verfahren zur Verminderung des Eisengehaltes eines chromhaltigen Elektrolyten |
| CN111573893B (zh) * | 2020-05-25 | 2022-10-25 | 常州厚朴固废处理科技有限公司 | 一种不锈钢酸洗废液铬铁分离的方法 |
-
1979
- 1979-02-06 FI FI790391A patent/FI60381C/fi not_active IP Right Cessation
-
1980
- 1980-01-28 ZA ZA00800505A patent/ZA80505B/xx unknown
- 1980-01-29 AU AU55015/80A patent/AU5501580A/en not_active Abandoned
- 1980-01-30 GR GR61084A patent/GR66007B/el unknown
- 1980-01-31 BR BR8000616A patent/BR8000616A/pt unknown
- 1980-02-01 AT AT0055480A patent/AT373857B/de not_active IP Right Cessation
- 1980-02-05 TR TR20612A patent/TR20612A/xx unknown
- 1980-02-05 SE SE8000918A patent/SE435492B/sv not_active IP Right Cessation
- 1980-02-05 GB GB8003757A patent/GB2042489B/en not_active Expired
- 1980-02-05 DE DE19803004174 patent/DE3004174A1/de not_active Ceased
- 1980-02-06 CA CA000345153A patent/CA1151845A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB2042489A (en) | 1980-09-24 |
| ATA55480A (de) | 1983-07-15 |
| AU5501580A (en) | 1980-08-14 |
| GB2042489B (en) | 1982-12-22 |
| AT373857B (de) | 1984-02-27 |
| BR8000616A (pt) | 1980-10-14 |
| GR66007B (Direct) | 1981-01-13 |
| TR20612A (tr) | 1982-01-01 |
| FI790391A7 (fi) | 1980-08-07 |
| ZA80505B (en) | 1981-02-25 |
| DE3004174A1 (de) | 1980-08-07 |
| FI60381B (fi) | 1981-09-30 |
| CA1151845A (en) | 1983-08-16 |
| SE8000918L (sv) | 1980-08-07 |
| SE435492B (sv) | 1984-10-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM | Patent lapsed |
Owner name: OUTOKUMPU OY |