FR2322206A1 - Obtention d'alumine et de phosphate par decomposition alcaline de minerais de phosphate d'aluminium contenant de la silice - Google Patents
Obtention d'alumine et de phosphate par decomposition alcaline de minerais de phosphate d'aluminium contenant de la siliceInfo
- Publication number
- FR2322206A1 FR2322206A1 FR7625915A FR7625915A FR2322206A1 FR 2322206 A1 FR2322206 A1 FR 2322206A1 FR 7625915 A FR7625915 A FR 7625915A FR 7625915 A FR7625915 A FR 7625915A FR 2322206 A1 FR2322206 A1 FR 2322206A1
- Authority
- FR
- France
- Prior art keywords
- phosphate
- containing silica
- ores containing
- alkaline decomposition
- obtaining alumina
- 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.)
- Granted
Links
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title 2
- 229910019142 PO4 Inorganic materials 0.000 title 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title 1
- ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical group O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 title 1
- 238000000354 decomposition reaction Methods 0.000 title 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 title 1
- 239000010452 phosphate Substances 0.000 title 1
- 239000000377 silicon dioxide Substances 0.000 title 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
- C22B21/00—Obtaining aluminium
- C22B21/04—Obtaining aluminium with alkali metals earth alkali metals included
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/18—Phosphoric acid
- C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/26—Phosphates
- C01B25/30—Alkali metal phosphates
- C01B25/305—Preparation from phosphorus-containing compounds by alkaline treatment
- C01B25/306—Preparation from phosphorus-containing compounds by alkaline treatment from phosphates
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
- C01F7/04—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
- C01F7/06—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom by treating aluminous minerals or waste-like raw materials with alkali hydroxide, e.g. leaching of bauxite according to the Bayer process
- C01F7/0673—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom by treating aluminous minerals or waste-like raw materials with alkali hydroxide, e.g. leaching of bauxite according to the Bayer process from phosphate-containing minerals
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Engineering & Computer Science (AREA)
- Geochemistry & Mineralogy (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/608,949 US4016238A (en) | 1975-08-29 | 1975-08-29 | Process for the obtention of alumina and phosphate values by the alkaline decomposition of silica-containing aluminum phosphate ores |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2322206A1 true FR2322206A1 (fr) | 1977-03-25 |
FR2322206B1 FR2322206B1 (fr) | 1981-04-30 |
Family
ID=24438763
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7625915A Granted FR2322206A1 (fr) | 1975-08-29 | 1976-08-27 | Obtention d'alumine et de phosphate par decomposition alcaline de minerais de phosphate d'aluminium contenant de la silice |
Country Status (2)
Country | Link |
---|---|
US (1) | US4016238A (fr) |
FR (1) | FR2322206A1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4325928A (en) * | 1979-03-01 | 1982-04-20 | Albright & Wilson Limited | Rock treatment process |
CN100411989C (zh) * | 2006-01-23 | 2008-08-20 | 中国铝业股份有限公司 | 三水铝石的溶出方法 |
BRPI0709478A2 (pt) * | 2006-04-07 | 2011-07-19 | Alcoa Australia | método de redução de concentrções de cálcia em licores verdes do processo bayer |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE522445A (fr) * | ||||
BE544415A (fr) * | ||||
GB371632A (en) * | 1930-05-14 | 1932-04-28 | Huels Chemische Werke Ag | Process for treating aluminium phosphates |
FR740365A (fr) * | 1931-07-25 | 1933-01-25 | Chemische Werke Vorm H & E Alb | Procédé pour obtenir séparément des phosphates et de l'alumine lors de l'attaque de phosphates d'aluminium par des alcalis |
US2557891A (en) * | 1949-03-30 | 1951-06-19 | Kaiser Aluminium Chem Corp | Process for control of phosphate in alumina production |
US2812239A (en) * | 1953-07-08 | 1957-11-05 | Kaiser Aluminium Chem Corp | Extracting alumina from alumina and aluminum phosphate ores in one liquor |
US2843456A (en) * | 1953-04-27 | 1958-07-15 | Kaiser Aluminium Chem Corp | Process for treating aluminous ores |
FR1198093A (fr) * | 1958-04-14 | 1959-12-04 | Procédé de préparation d'alumine et de phosphate trisodique ou de phosphate tripotassique | |
US2939765A (en) * | 1958-03-07 | 1960-06-07 | Vaw Ver Aluminium Werke Ag | Method for reducing the silica content of alumina containing materials of the bauxite type |
FR2045694A1 (en) * | 1969-06-20 | 1971-03-05 | Kazak Politekhniches | Alumina and phosphate recovery from phos- - phatic aluminium ore |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1845876A (en) * | 1930-03-22 | 1932-02-16 | Firm Chemische Werke Vorm H & | Process for the production of alumina and alkali phosphates |
GB389359A (en) * | 1931-07-25 | 1933-03-16 | Huels Chemische Werke Ag | Process for the production of alumina and alkali phosphates |
-
1975
- 1975-08-29 US US05/608,949 patent/US4016238A/en not_active Expired - Lifetime
-
1976
- 1976-08-27 FR FR7625915A patent/FR2322206A1/fr active Granted
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE522445A (fr) * | ||||
BE544415A (fr) * | ||||
GB371632A (en) * | 1930-05-14 | 1932-04-28 | Huels Chemische Werke Ag | Process for treating aluminium phosphates |
FR740365A (fr) * | 1931-07-25 | 1933-01-25 | Chemische Werke Vorm H & E Alb | Procédé pour obtenir séparément des phosphates et de l'alumine lors de l'attaque de phosphates d'aluminium par des alcalis |
US2557891A (en) * | 1949-03-30 | 1951-06-19 | Kaiser Aluminium Chem Corp | Process for control of phosphate in alumina production |
US2843456A (en) * | 1953-04-27 | 1958-07-15 | Kaiser Aluminium Chem Corp | Process for treating aluminous ores |
US2812239A (en) * | 1953-07-08 | 1957-11-05 | Kaiser Aluminium Chem Corp | Extracting alumina from alumina and aluminum phosphate ores in one liquor |
US2939765A (en) * | 1958-03-07 | 1960-06-07 | Vaw Ver Aluminium Werke Ag | Method for reducing the silica content of alumina containing materials of the bauxite type |
FR1198093A (fr) * | 1958-04-14 | 1959-12-04 | Procédé de préparation d'alumine et de phosphate trisodique ou de phosphate tripotassique | |
FR2045694A1 (en) * | 1969-06-20 | 1971-03-05 | Kazak Politekhniches | Alumina and phosphate recovery from phos- - phatic aluminium ore |
Also Published As
Publication number | Publication date |
---|---|
FR2322206B1 (fr) | 1981-04-30 |
US4016238A (en) | 1977-04-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |