Dual zone feedwell for a thickener

Details for Australian Patent Application No. 2008229693 (hide)

Owner Outotec Oyj

Inventors Taylor, David John Buchanon

Agent Shelston IP

Pub. Number AU-A-2008229693

Parent 2003208184

Filing date 29 September 2008

Wipo publication date 30 October 2008

International Classifications

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

B01D 21/02 (2006.01) Separation of suspended solid particles from liquids by sedimentation - Settling tanks

B01D 21/18 (2006.01) Separation of suspended solid particles from liquids by sedimentation

B01D 21/24 (2006.01) Separation of suspended solid particles from liquids by sedimentation - Feed or discharge mechanisms for settling tanks

C02F 1/52 (2006.01) Treatment of water, waste water, or sewage - by flocculation or precipitation of suspended impurities

Event Publications

23 October 2008 Complete Application Filed

30 October 2008 Application Open to Public Inspection

  Published as AU-A-2008229693

4 June 2009 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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