Method for treating wastewater containing active sludge

Details for Australian Patent Application No. 2007203252 (hide)

Owner Kang NA Hsiung Enterprise Co., Ltd.

Inventors Chen, Hsi-Yu; Hwang, Wen-Chun; Hu, Yen-Jung

Agent Freehills

Pub. Number AU-B-2007203252

Priority 200610136528.7 26.10.06 CN

Filing date 12 July 2007

Wipo publication date 15 May 2008

Acceptance publication date 25 June 2009

International Classifications

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

B01D 29/05 (2006.01) Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor

B01D 29/13 (2006.01) Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor - Supported filter elements

B01D 69/10 (2006.01) Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties

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

Event Publications

26 July 2007 Complete Application Filed

  Priority application(s): 200610136528.7 26.10.06 CN

15 May 2008 Application Open to Public Inspection

  Published as AU-B-2007203252

25 June 2009 Application Accepted

  Published as AU-B-2007203252

22 October 2009 Standard Patent Sealed

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