METHOD FOR REDUCING THE PRODUCTION OF SLUDGE DURING A METHOD FOR PURIFYING AQUEOUS EFFLUENTS BY MEANS OF AEROBIC BIOLOGICAL FERMENTATION

Details for Australian Patent Application No. 2003262153 (hide)

Owner RHODIA CHIMIE

Inventors VERONESE, Thierry; LOUVEL, Luc; PILAS-BEGUE, Agnes

Pub. Number AU-A-2003262153

PCT Number PCT/FR03/01152

PCT Pub. Number WO2003/086985

Priority 02/04600 12.04.02 FR

Filing date 11 April 2003

Wipo publication date 27 October 2003

International Classifications

C02F 003/12 Biological treatment of water, waste water, or sewage - Activated sludge processes

C02F 001/02 Treatment of water, waste water, or sewage - by heating

Event Publications

27 November 2003 Complete Application Filed

  Priority application(s): 02/04600 12.04.02 FR

4 December 2003 Application Open to Public Inspection

  Published as AU-A-2003262153

2 June 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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