Method of purifying Fischer-Tropsch derived water

Details for Australian Patent Application No. 2003252192 (hide)

Owner Sasol Technology (Pty) Ltd

Inventors Koper, Edward Ludovicus; Van der Walt, Janette; Du Pllessis, Gert Hendrik; Phillips, Trevor David; Du Toit, Francois Jacobus; Dancuart Kohler, Luis Pablo Fidel

Agent Davies Collison Cave

Pub. Number AU-B-2003252192

PCT Number PCT/ZA03/00082

PCT Pub. Number WO2003/106351

Priority 60/389,467 18.06.02 US; 2002/4845 18.06.02 ZA

Filing date 18 June 2003

Wipo publication date 31 December 2003

Acceptance publication date 26 March 2009

International Classifications

C02F 3/04 (2006.01) Biological treatment of water, waste water, or sewage - using trickle filters

B01D 61/02 (2006.01) Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration - Reverse osmosis

B01D 61/14 (2006.01) Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration - Ultrafiltration

C02F 1/04 (2006.01) Treatment of water, waste water, or sewage - by distillation or evaporation

C02F 1/24 (2006.01) Treatment of water, waste water, or sewage - by flotation

C02F 1/28 (2006.01) Treatment of water, waste water, or sewage - by sorption

C02F 1/32 (2006.01) Treatment of water, waste water, or sewage - with ultra-violet light

C02F 1/42 (2006.01) Treatment of water, waste water, or sewage - by ion-exchange

C02F 1/44 (2006.01) Treatment of water, waste water, or sewage - by dialysis, osmosis or reverse osmosis

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

C02F 1/72 (2006.01) Treatment of water, waste water, or sewage - by oxidation

C02F 3/00 (2006.01) Biological treatment of water, waste water, or sewage

C02F 3/08 (2006.01) Biological treatment of water, waste water, or sewage - using moving contact bodies

C02F 3/12 (2006.01) Biological treatment of water, waste water, or sewage - Activated sludge processes

C02F 3/28 (2006.01) Biological treatment of water, waste water, or sewage - Anaerobic digestion processes

C02F 3/30 (2006.01) Biological treatment of water, waste water, or sewage - Aerobic and anaerobic processes

C02F 9/00 (2006.01) Multistep treatment of water, waste water or sewage

C02F 3/06 (2006.01) Biological treatment of water, waste water, or sewage - using submerged filters

C02F 101/32 (2006.01)

C02F 101/34 (2006.01)

Event Publications

16 October 2003 Complete Application Filed

  Priority application(s): 60/389,467 18.06.02 US; 2002/4845 18.06.02 ZA

26 February 2004 Application Open to Public Inspection

  Published as AU-B-2003252192

26 March 2009 Application Accepted

  Published as AU-B-2003252192

7 May 2009 Corrigenda

  Applications Accepted - Name Index Under the name Sasol Technology (Pty) Ltd, Application No. 2003252192, under INID(72) correct the co-inventor to Du Plessis, Gert Hendrik

23 July 2009 Standard Patent Sealed

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