FR2405902B1 - - Google Patents

Info

Publication number
FR2405902B1
FR2405902B1 FR7804697A FR7804697A FR2405902B1 FR 2405902 B1 FR2405902 B1 FR 2405902B1 FR 7804697 A FR7804697 A FR 7804697A FR 7804697 A FR7804697 A FR 7804697A FR 2405902 B1 FR2405902 B1 FR 2405902B1
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
FR7804697A
Other languages
French (fr)
Other versions
FR2405902A1 (en
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.)
Nippon Light Metal Co Ltd
Original Assignee
Nippon Light Metal Co Ltd
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 Nippon Light Metal Co Ltd filed Critical Nippon Light Metal Co Ltd
Publication of FR2405902A1 publication Critical patent/FR2405902A1/en
Application granted granted Critical
Publication of FR2405902B1 publication Critical patent/FR2405902B1/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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
FR7804697A 1977-10-17 1978-02-20 Coarse alumina prodn. by Bayer process - by seeding part of pregnant liquid in agglomeration stage and rest in cementation stage Granted FR2405902A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12345677A JPS5456999A (en) 1977-10-17 1977-10-17 Preparation of crude alumina particles

Publications (2)

Publication Number Publication Date
FR2405902A1 FR2405902A1 (en) 1979-05-11
FR2405902B1 true FR2405902B1 (en) 1981-05-29

Family

ID=14861055

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7804697A Granted FR2405902A1 (en) 1977-10-17 1978-02-20 Coarse alumina prodn. by Bayer process - by seeding part of pregnant liquid in agglomeration stage and rest in cementation stage

Country Status (6)

Country Link
JP (1) JPS5456999A (en)
AU (1) AU506136B2 (en)
DE (1) DE2807245C2 (en)
FR (1) FR2405902A1 (en)
HU (1) HU178662B (en)
YU (1) YU38478A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4305913A (en) * 1980-08-06 1981-12-15 Kaiser Aluminum & Chemical Corporation Alumina hydrate production from Bayer liquor by seeding
JPS57140316A (en) * 1981-02-20 1982-08-30 Sumitomo Alum Smelt Co Ltd Manufacture of coarse granular aluminum hydroxide
JPS6085789U (en) * 1983-11-18 1985-06-13 福岡　敏郎 magnetic recording tape
US4511542A (en) * 1984-05-24 1985-04-16 Kaiser Aluminum & Chemical Corporation Bayer process production of alumina hydrate
JPH0314792U (en) * 1989-06-22 1991-02-14
US5163973A (en) * 1990-02-14 1992-11-17 Alcan Internatinal Limited Process for producing low soda alumina
US5102426A (en) * 1990-02-14 1992-04-07 Alcan International Limited Process for precipitating alumina from bayer process liquor
JP5285317B2 (en) * 2008-03-28 2013-09-11 住友化学株式会社 Method for producing aluminum hydroxide

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2707669A (en) * 1951-02-06 1955-05-03 Kaiser Aluminium Chem Corp Alumina production
GB1045216A (en) * 1963-05-06 1966-10-12 Aluminium Lab Ltd Improvements in or relating to the precipitation of alumina

Also Published As

Publication number Publication date
AU3342178A (en) 1979-08-30
YU38478A (en) 1982-06-30
JPS5456999A (en) 1979-05-08
DE2807245A1 (en) 1979-05-03
JPS5761692B2 (en) 1982-12-25
DE2807245C2 (en) 1983-05-11
AU506136B2 (en) 1979-12-13
FR2405902A1 (en) 1979-05-11
HU178662B (en) 1982-06-28

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Legal Events

Date Code Title Description
ST Notification of lapse