ES259055A1 - Metodo de extracciën parcial del contenido de hierro de minerales de cromita - Google Patents
Metodo de extracciën parcial del contenido de hierro de minerales de cromitaInfo
- Publication number
- ES259055A1 ES259055A1 ES0259055A ES259055A ES259055A1 ES 259055 A1 ES259055 A1 ES 259055A1 ES 0259055 A ES0259055 A ES 0259055A ES 259055 A ES259055 A ES 259055A ES 259055 A1 ES259055 A1 ES 259055A1
- Authority
- ES
- Spain
- Prior art keywords
- lowering
- ore
- cr2o3
- concentrates
- contained
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title abstract 6
- 229910052742 iron Inorganic materials 0.000 title abstract 2
- 239000012141 concentrate Substances 0.000 title 1
- 239000003638 chemical reducing agent Substances 0.000 abstract 2
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 abstract 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 abstract 1
- 239000003245 coal Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000011065 in-situ storage Methods 0.000 abstract 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract 1
- 238000002386 leaching Methods 0.000 abstract 1
- 235000011149 sulphuric acid Nutrition 0.000 abstract 1
- 239000001117 sulphuric acid Substances 0.000 abstract 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
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
-
- 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
- C22B34/00—Obtaining refractory metals
- C22B34/30—Obtaining chromium, molybdenum or tungsten
- C22B34/32—Obtaining chromium
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Fuses (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US821091A US3105756A (en) | 1959-06-18 | 1959-06-18 | Method of lowering the iron content of chromite ores or concentrates without appreciable lowering of the contained cr2o3 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES259055A1 true ES259055A1 (es) | 1960-11-16 |
Family
ID=25232475
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES0259055A Expired ES259055A1 (es) | 1959-06-18 | 1960-06-18 | Metodo de extracciën parcial del contenido de hierro de minerales de cromita |
Country Status (4)
Country | Link |
---|---|
US (1) | US3105756A (enrdf_load_stackoverflow) |
ES (1) | ES259055A1 (enrdf_load_stackoverflow) |
GB (1) | GB951086A (enrdf_load_stackoverflow) |
NO (1) | NO115131B (enrdf_load_stackoverflow) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3219434A (en) * | 1962-05-02 | 1965-11-23 | United Internat Res Inc | Process for the production of chrome concentrates |
US3257198A (en) * | 1962-12-21 | 1966-06-21 | Hydrocarbon Research Inc | Beneficiation of ore |
FR1426349A (fr) * | 1964-12-17 | 1966-01-28 | Siderurgie Fse Inst Rech | Procédé de traitement de matières pulvérulentes |
US3361557A (en) * | 1965-03-22 | 1968-01-02 | R N Corp | Processes for direct reduction of ironbearing ores, slags and the like |
US3816095A (en) * | 1972-03-09 | 1974-06-11 | Allied Chem | Method for recovering chromium values from chromite ore |
DE4236202C2 (de) * | 1992-10-27 | 1994-07-21 | Bayer Ag | Verfahren zur rückstandsarmen und hochauszehrenden Erzeugung von Natriumdichromat |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US153573A (en) * | 1874-07-28 | Improvement in treating copper ores | ||
US1196049A (en) * | 1916-08-29 | von rauschenplat | ||
US1360666A (en) * | 1917-01-23 | 1920-11-30 | Merrill Co | Process of extracting copper from its ores |
US1403237A (en) * | 1919-04-26 | 1922-01-10 | Charles Page Perin | Method of treating iron ore for the recovery of chromium |
US2123240A (en) * | 1935-06-08 | 1938-07-12 | Hammarberg Axel | Recovery of valuable metals or metal compounds from complex ores |
-
1959
- 1959-06-18 US US821091A patent/US3105756A/en not_active Expired - Lifetime
-
1960
- 1960-06-08 GB GB20200/60A patent/GB951086A/en not_active Expired
- 1960-06-18 ES ES0259055A patent/ES259055A1/es not_active Expired
- 1960-06-18 NO NO136349A patent/NO115131B/no unknown
Also Published As
Publication number | Publication date |
---|---|
US3105756A (en) | 1963-10-01 |
GB951086A (en) | 1964-03-04 |
NO115131B (enrdf_load_stackoverflow) | 1968-08-05 |
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