Improvement to Bayer process for making alumina trihydrate, said improvement concerning the separation of aluminate liquor and insoluble residues

Details for Australian Patent Application No. 2005286404 (hide)

Owner Aluminium Pechiney

Inventors Magnan, Yves; Rousseaux, Jean-Marc; Pignol, Gerard

Agent Spruson & Ferguson

Pub. Number AU-B-2005286404

PCT Pub. Number WO2006/032770

Priority 0409946 21.09.04 FR

Filing date 19 September 2005

Wipo publication date 30 March 2006

Acceptance publication date 29 July 2010

International Classifications

C01F 7/06 (2006.01) Compounds of aluminium

B01D 21/01 (2006.01) Separation of suspended solid particles from liquids by sedimentation - using flocculating agents

B01D 21/26 (2006.01) Separation of suspended solid particles from liquids by sedimentation - Separation of sediment aided by centrifugal force

C01F 7/47 (2006.01) Compounds of aluminium

Event Publications

15 March 2007 PCT application entered the National Phase

  PCT publication WO2006/032770 Priority application(s): WO2006/032770

29 July 2010 Application Accepted

  Published as AU-B-2005286404

25 November 2010 Standard Patent Sealed

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