DE2542054C2 - Verfahren zum Aufschluß von Chromerzen - Google Patents
Verfahren zum Aufschluß von ChromerzenInfo
- Publication number
- DE2542054C2 DE2542054C2 DE2542054A DE2542054A DE2542054C2 DE 2542054 C2 DE2542054 C2 DE 2542054C2 DE 2542054 A DE2542054 A DE 2542054A DE 2542054 A DE2542054 A DE 2542054A DE 2542054 C2 DE2542054 C2 DE 2542054C2
- Authority
- DE
- Germany
- Prior art keywords
- parts
- alkali
- digestion
- residue
- leaching
- 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
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 title claims description 49
- 230000029087 digestion Effects 0.000 title claims description 41
- 238000000034 method Methods 0.000 title claims description 36
- 230000008569 process Effects 0.000 title claims description 26
- 239000003513 alkali Substances 0.000 claims description 39
- 238000002386 leaching Methods 0.000 claims description 33
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 28
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 claims description 19
- 239000011541 reaction mixture Substances 0.000 claims description 14
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 13
- 229910052760 oxygen Inorganic materials 0.000 claims description 13
- 239000001301 oxygen Substances 0.000 claims description 13
- 239000003795 chemical substances by application Substances 0.000 claims description 11
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 10
- 235000013980 iron oxide Nutrition 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 4
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims description 4
- 229910000423 chromium oxide Inorganic materials 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 4
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 2
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 claims description 2
- 229910000027 potassium carbonate Inorganic materials 0.000 claims description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 2
- 239000011651 chromium Substances 0.000 description 47
- 229910052804 chromium Inorganic materials 0.000 description 36
- PXLIDIMHPNPGMH-UHFFFAOYSA-N sodium chromate Chemical compound [Na+].[Na+].[O-][Cr]([O-])(=O)=O PXLIDIMHPNPGMH-UHFFFAOYSA-N 0.000 description 23
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 20
- 239000000203 mixture Substances 0.000 description 13
- 239000011734 sodium Substances 0.000 description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 239000000126 substance Substances 0.000 description 10
- 229910001854 alkali hydroxide Inorganic materials 0.000 description 6
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 6
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 238000000354 decomposition reaction Methods 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000010802 sludge Substances 0.000 description 4
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 150000003112 potassium compounds Chemical class 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 229910000288 alkali metal carbonate Inorganic materials 0.000 description 2
- 150000008041 alkali metal carbonates Chemical class 0.000 description 2
- 150000004645 aluminates Chemical class 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 230000020477 pH reduction Effects 0.000 description 2
- KWYUFKZDYYNOTN-UHFFFAOYSA-M potassium hydroxide Inorganic materials [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 2
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 1
- 229910021314 NaFeO 2 Inorganic materials 0.000 description 1
- 240000004808 Saccharomyces cerevisiae Species 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 238000006887 Ullmann reaction Methods 0.000 description 1
- 150000001447 alkali salts Chemical class 0.000 description 1
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- BCFSVSISUGYRMF-UHFFFAOYSA-N calcium;dioxido(dioxo)chromium;dihydrate Chemical compound O.O.[Ca+2].[O-][Cr]([O-])(=O)=O BCFSVSISUGYRMF-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 150000001845 chromium compounds Chemical class 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000013078 crystal Substances 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
- 229910000514 dolomite Inorganic materials 0.000 description 1
- 239000010459 dolomite Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 235000010333 potassium nitrate Nutrition 0.000 description 1
- 239000004323 potassium nitrate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910052665 sodalite Inorganic materials 0.000 description 1
- 229910001388 sodium aluminate Inorganic materials 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- 229910001948 sodium oxide Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 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
- C22B34/00—Obtaining refractory metals
- C22B34/30—Obtaining chromium, molybdenum or tungsten
- C22B34/32—Obtaining chromium
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G37/00—Compounds of chromium
- C01G37/14—Chromates; Bichromates
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Processing Of Solid Wastes (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2542054A DE2542054C2 (de) | 1975-09-20 | 1975-09-20 | Verfahren zum Aufschluß von Chromerzen |
| MX166173A MX143733A (es) | 1975-09-20 | 1976-09-06 | Metodo mejorado para la desintegracion de minerales de cromo (cromitas) en presencia de oxigeno |
| US05/721,129 US4066734A (en) | 1975-09-20 | 1976-09-07 | Alkaline disintegration of chromites |
| GB37995/76A GB1548449A (en) | 1975-09-20 | 1976-09-14 | Alkaline disintegration of chromites |
| JP51110952A JPS5239600A (en) | 1975-09-20 | 1976-09-17 | Method of decomposing ferrochrome ore by alkali oxidation |
| IT51325/76A IT1066194B (it) | 1975-09-20 | 1976-09-17 | Procedimento per la disgregazione alcalina di cromiti |
| BR7606212A BR7606212A (pt) | 1975-09-20 | 1976-09-20 | Processo para a desintegracao oxidativa,alcalina de minerios de cromo |
| FR7628216A FR2324580A1 (fr) | 1975-09-20 | 1976-09-20 | Procede perfectionne pour l'attaque alcaline de chromites |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2542054A DE2542054C2 (de) | 1975-09-20 | 1975-09-20 | Verfahren zum Aufschluß von Chromerzen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2542054A1 DE2542054A1 (de) | 1977-03-31 |
| DE2542054C2 true DE2542054C2 (de) | 1982-02-25 |
Family
ID=5957020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2542054A Expired DE2542054C2 (de) | 1975-09-20 | 1975-09-20 | Verfahren zum Aufschluß von Chromerzen |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4066734A (enExample) |
| JP (1) | JPS5239600A (enExample) |
| BR (1) | BR7606212A (enExample) |
| DE (1) | DE2542054C2 (enExample) |
| FR (1) | FR2324580A1 (enExample) |
| GB (1) | GB1548449A (enExample) |
| IT (1) | IT1066194B (enExample) |
| MX (1) | MX143733A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4236202A1 (de) * | 1992-10-27 | 1994-04-28 | Bayer Ag | Verfahren zur rückstandsarmen und hochauszehrenden Erzeugung von Natriumdichromat |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2557403C2 (de) * | 1975-12-19 | 1983-01-13 | Bayer Ag, 5090 Leverkusen | Verfahren zum Aufschluß Kieselsäure-reicher Chromerze |
| US4162295A (en) * | 1977-11-14 | 1979-07-24 | Allied Chemical Corporation | Method for production of alkali metal chromates from chrome ores |
| US4207295A (en) * | 1979-02-13 | 1980-06-10 | Union Carbide Corporation | Processing of chromium ore |
| DE2935718C2 (de) * | 1979-09-04 | 1982-08-12 | Bayer Ag, 5090 Leverkusen | Verfahren zum oxidativen Aufschluß von chromhaltigen Erzen |
| US4298581A (en) * | 1980-04-15 | 1981-11-03 | Cabot Corporation | Process for recovering chromium, vanadium, molybdenum and tungsten values from a feed material |
| WO2004083123A1 (fr) * | 2003-03-19 | 2004-09-30 | Institute Of Process Engineering Chinese Academy Of Sciences | Procede d'obtention de chromates de metal alcalin |
| CN101817561B (zh) * | 2010-04-12 | 2012-05-30 | 湖北振华化学股份有限公司 | 一种铬铁矿加压浸出清洁生产铬酸钠的方法 |
| CN104341004A (zh) * | 2013-07-25 | 2015-02-11 | 中国科学院过程工程研究所 | 一种铬铁矿加压浸出制备铬酸钾的新工艺 |
| CN103614566B (zh) * | 2013-12-13 | 2014-12-10 | 重庆大学 | 一种从转炉钒铬渣中提取钒和铬的方法 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US442109A (en) * | 1890-12-09 | Ander - donald | ||
| US1752863A (en) * | 1929-04-03 | 1930-04-01 | Mutual Chemical Company | Manufacture of chromates |
| FR692614A (fr) * | 1929-04-03 | 1930-11-07 | Mutual Chemical Company Of Ame | Procédé de fabrication des chromates |
| US1901939A (en) * | 1930-07-03 | 1933-03-21 | Natural Products Refining Co | Process of producing chromates |
| US2381236A (en) * | 1940-08-08 | 1945-08-07 | Marvin J Udy | Chromium recovery |
| DE804479C (de) * | 1948-10-02 | 1951-04-23 | Dr Gerhard Holder | Verfahren zum Aufschliessen von Chromerzen |
| GB1186439A (en) * | 1966-07-12 | 1970-04-02 | Bayer Ag | Alkali Treatment of Chromium Ores |
| US3812234A (en) * | 1969-05-24 | 1974-05-21 | Bayer Ag | Process for the production of alkalichromate |
-
1975
- 1975-09-20 DE DE2542054A patent/DE2542054C2/de not_active Expired
-
1976
- 1976-09-06 MX MX166173A patent/MX143733A/es unknown
- 1976-09-07 US US05/721,129 patent/US4066734A/en not_active Expired - Lifetime
- 1976-09-14 GB GB37995/76A patent/GB1548449A/en not_active Expired
- 1976-09-17 JP JP51110952A patent/JPS5239600A/ja active Granted
- 1976-09-17 IT IT51325/76A patent/IT1066194B/it active
- 1976-09-20 FR FR7628216A patent/FR2324580A1/fr active Granted
- 1976-09-20 BR BR7606212A patent/BR7606212A/pt unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4236202A1 (de) * | 1992-10-27 | 1994-04-28 | Bayer Ag | Verfahren zur rückstandsarmen und hochauszehrenden Erzeugung von Natriumdichromat |
Also Published As
| Publication number | Publication date |
|---|---|
| MX143733A (es) | 1981-07-02 |
| FR2324580A1 (fr) | 1977-04-15 |
| DE2542054A1 (de) | 1977-03-31 |
| JPS5239600A (en) | 1977-03-26 |
| JPS5731535B2 (enExample) | 1982-07-05 |
| IT1066194B (it) | 1985-03-04 |
| GB1548449A (en) | 1979-07-18 |
| US4066734A (en) | 1978-01-03 |
| FR2324580B1 (enExample) | 1980-06-06 |
| BR7606212A (pt) | 1977-06-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| D2 | Grant after examination | ||
| 8339 | Ceased/non-payment of the annual fee |