FR2322206B1 - - Google Patents

Info

Publication number
FR2322206B1
FR2322206B1 FR7625915A FR7625915A FR2322206B1 FR 2322206 B1 FR2322206 B1 FR 2322206B1 FR 7625915 A FR7625915 A FR 7625915A FR 7625915 A FR7625915 A FR 7625915A FR 2322206 B1 FR2322206 B1 FR 2322206B1
Authority
FR
France
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
Application number
FR7625915A
Other languages
French (fr)
Other versions
FR2322206A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of FR2322206A1 publication Critical patent/FR2322206A1/fr
Application granted granted Critical
Publication of FR2322206B1 publication Critical patent/FR2322206B1/fr
Granted legal-status Critical Current

Links

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)
FR7625915A 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 Granted FR2322206A1 (fr)

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 FR2322206A1 (fr) 1977-03-25
FR2322206B1 true FR2322206B1 (OSRAM) 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 (OSRAM)
FR (1) FR2322206A1 (OSRAM)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
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

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE544415A (OSRAM) *
BE522445A (OSRAM) *
US1845876A (en) * 1930-03-22 1932-02-16 Firm Chemische Werke Vorm H & Process for the production of alumina and alkali phosphates
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
GB389359A (en) * 1931-07-25 1933-03-16 Huels Chemische Werke Ag Process for the production of alumina and alkali phosphates
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
FR2322206A1 (fr) 1977-03-25
US4016238A (en) 1977-04-05

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Legal Events

Date Code Title Description
ST Notification of lapse