METHOD AND APPARATUS FOR REMOVING HYDROCARBONS FROM WATER BY AIR FLOATATION

Details for Australian Patent Application No. 2003217383 (hide)

Owner AMCOL INTERNATIONAL CORPORATION

Inventors OCCHIPINTI, John; JUST, Gerard, A.; SMITH, Jeffrey, J.; DARLINGTON, Jerald, W., Jr.

Pub. Number AU-A-2003217383

PCT Number PCT/US03/04177

PCT Pub. Number WO2004/018366

Priority 10/227,682 26.08.02 US

Filing date 12 February 2003

Wipo publication date 11 March 2004

International Classifications

C02F 001/24 Treatment of water, waste water, or sewage - by flotation

B01D 017/02 Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion - Separation of non-miscible liquids

C02F 001/28 Treatment of water, waste water, or sewage - by sorption

B04C 005/04 Apparatus in which the axial direction of the vortex is reversed

C02F 001/40 Treatment of water, waste water, or sewage - Devices for separating or removing fatty or oily substances or similar floating material

B03D 001/14 Flotation - Flotation machines

Event Publications

31 July 2003 Complete Application Filed

  Priority application(s): 10/227,682 26.08.02 US

22 April 2004 Application Open to Public Inspection

  Published as AU-A-2003217383

12 May 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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