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AU474596B2 - Improvements in the bayer process production of alumina - Google Patents

Improvements in the bayer process production of alumina

Info

Publication number
AU474596B2
AU474596B2 AU51390/73A AU5139073A AU474596B2 AU 474596 B2 AU474596 B2 AU 474596B2 AU 51390/73 A AU51390/73 A AU 51390/73A AU 5139073 A AU5139073 A AU 5139073A AU 474596 B2 AU474596 B2 AU 474596B2
Authority
AU
Australia
Prior art keywords
alumina
bayer process
process production
production
bayer
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
Application number
AU51390/73A
Other versions
AU5139073A (en
Inventor
GORDON BREUER and ALTON EDWARDS MCLAUGHLIN RICHARD
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.)
Kaiser Aluminum and Chemical Corp
Original Assignee
Kaiser Aluminum and Chemical Corp
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 Kaiser Aluminum and Chemical Corp filed Critical Kaiser Aluminum and Chemical Corp
Priority to AU51390/73A priority Critical patent/AU474596B2/en
Application granted granted Critical
Publication of AU5139073A publication Critical patent/AU5139073A/en
Publication of AU474596B2 publication Critical patent/AU474596B2/en
Expired 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
    • C01F7/06—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
    • C01F7/062—Digestion
    • 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
    • C01F7/0613—Pretreatment of the minerals, e.g. grinding

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nutrition Science (AREA)
AU51390/73A 1972-04-03 1973-01-24 Improvements in the bayer process production of alumina Expired AU474596B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU51390/73A AU474596B2 (en) 1972-04-03 1973-01-24 Improvements in the bayer process production of alumina

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US24080272A 1972-04-03 1972-04-03
AU51390/73A AU474596B2 (en) 1972-04-03 1973-01-24 Improvements in the bayer process production of alumina

Publications (2)

Publication Number Publication Date
AU5139073A AU5139073A (en) 1974-07-25
AU474596B2 true AU474596B2 (en) 1974-07-25

Family

ID=25629237

Family Applications (1)

Application Number Title Priority Date Filing Date
AU51390/73A Expired AU474596B2 (en) 1972-04-03 1973-01-24 Improvements in the bayer process production of alumina

Country Status (1)

Country Link
AU (1) AU474596B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2870535A1 (en) * 2004-05-18 2005-11-25 Aluminium Pechiney Soc Par Act IMPROVEMENT TO THE BAYER PROCESS FOR THE PRODUCTION OF ALUMINA TRIHYDRATE BY ALKALINE CONTAMINATION OF BAUXITE, THIS METHOD COMPRISING A PRE-ASSESSMENT STEP

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8906500D0 (en) * 1989-03-21 1989-05-04 Shell Int Research Process for the production of aluminium hydroxide from bauxite

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2870535A1 (en) * 2004-05-18 2005-11-25 Aluminium Pechiney Soc Par Act IMPROVEMENT TO THE BAYER PROCESS FOR THE PRODUCTION OF ALUMINA TRIHYDRATE BY ALKALINE CONTAMINATION OF BAUXITE, THIS METHOD COMPRISING A PRE-ASSESSMENT STEP
WO2005123591A1 (en) * 2004-05-18 2005-12-29 Aluminium Pechiney Improvement to the bayer process for the production of alumina trihydrate by means of alkaline leaching of bauxite, said method comprising a predesilicification step
US7704471B2 (en) 2004-05-18 2010-04-27 Aluminium Pechiney Bayer process for production of alumina trihydrate by alkaline digestion of bauxite, the process comprising a predesilication step
AU2005254281B2 (en) * 2004-05-18 2010-07-29 Aluminium Pechiney Improvement to the Bayer process for the production of alumina trihydrate by means of alkaline leaching of bauxite, said method comprising a predesilicification step

Also Published As

Publication number Publication date
AU5139073A (en) 1974-07-25

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