FR2161864A1 - Alumina mfr - from bauxite and sodium aluminate using a complex phosphate to destroy foam - Google Patents

Alumina mfr - from bauxite and sodium aluminate using a complex phosphate to destroy foam

Info

Publication number
FR2161864A1
FR2161864A1 FR7200074A FR7200074A FR2161864A1 FR 2161864 A1 FR2161864 A1 FR 2161864A1 FR 7200074 A FR7200074 A FR 7200074A FR 7200074 A FR7200074 A FR 7200074A FR 2161864 A1 FR2161864 A1 FR 2161864A1
Authority
FR
France
Prior art keywords
bauxite
sodium aluminate
mfr
alumina
complex phosphate
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
Application number
FR7200074A
Other languages
English (en)
French (fr)
Other versions
FR2161864B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
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.)
ALUFAB SA
Original Assignee
ALUFAB SA
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 ALUFAB SA filed Critical ALUFAB SA
Publication of FR2161864A1 publication Critical patent/FR2161864A1/fr
Application granted granted Critical
Publication of FR2161864B1 publication Critical patent/FR2161864B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • C01F7/14—Aluminium oxide or hydroxide from alkali metal aluminates
    • C01F7/144—Aluminium oxide or hydroxide from alkali metal aluminates from aqueous aluminate solutions by precipitation due to cooling, e.g. as part of the Bayer process
    • C01F7/145—Aluminium oxide or hydroxide from alkali metal aluminates from aqueous aluminate solutions by precipitation due to cooling, e.g. as part of the Bayer process characterised by the use of a crystal growth modifying agent other than aluminium hydroxide seed
    • 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
    • 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
    • C01F7/14—Aluminium oxide or hydroxide from alkali metal aluminates
    • C01F7/144—Aluminium oxide or hydroxide from alkali metal aluminates from aqueous aluminate solutions by precipitation due to cooling, e.g. as part of the Bayer process

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Saccharide Compounds (AREA)
FR7200074A 1971-12-01 1972-01-04 Alumina mfr - from bauxite and sodium aluminate using a complex phosphate to destroy foam Granted FR2161864A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1750071 1971-12-01

Publications (2)

Publication Number Publication Date
FR2161864A1 true FR2161864A1 (en) 1973-07-13
FR2161864B1 FR2161864B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1976-10-29

Family

ID=4425893

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7200074A Granted FR2161864A1 (en) 1971-12-01 1972-01-04 Alumina mfr - from bauxite and sodium aluminate using a complex phosphate to destroy foam

Country Status (2)

Country Link
CH (1) CH545751A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2161864A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997018164A1 (en) * 1995-11-13 1997-05-22 Cytec Technology Corp. Method for foam control in bayer process

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997018164A1 (en) * 1995-11-13 1997-05-22 Cytec Technology Corp. Method for foam control in bayer process
US5837211A (en) * 1995-11-13 1998-11-17 Cytec Technology Corp. Compositions and method for foam control in Bayer process

Also Published As

Publication number Publication date
CH545751A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-02-15
FR2161864B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1976-10-29

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Legal Events

Date Code Title Description
ST Notification of lapse