Title: Method and apparatus for alumina prepn. by decomposing sodium aluminate solution without stirring
Application Number: 85108251 Application Date: 1985.11.13
Publication Number: 1003252 Publication Date: 1986.09.17
Approval Pub. Date: 1989.12.20 Granted Pub. Date: 1989.12.20
International Classifi-cation: C01F7/06;C01F7/14
Applicant(s) Name: Aluminium Pechiney Address:
Inventor(s) Name: C.Eric;G.Hunry
Attorney & Agent: XU RUXUN LIU MENGMEI
Abstract:
    A method and apparatus for decomposing a sodium aluminate liquor supersaturated with alumina, obtained from alkaline action on bauxite by the Bayer process, is initiated by introduction of alumina trihydrate seed, thereby forming a suspension. The suspension is fed in at the top of a non-agitated reactor described as a
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