ALKALINE STABILISATION OF RESIDUAL SLUDGE IN CLOSED SYSTEMS WITH OPTIONAL AMMONIA RECYCLING

Details for Australian Patent Application No. 2003279602 (hide)

Owner UNIVERSIDAD NACIONAL AUTONOMA DE MEXICO

Inventors JIMENEZ CISNEROS, Blanca, Elena; MENDEZ CONTRERAS, Juan, Manuel

Pub. Number AU-A-2003279602

PCT Number PCT/MX03/00106

PCT Pub. Number WO2005/051853

Filing date 28 November 2003

Wipo publication date 17 June 2005

International Classifications

C02F 011/14 Treatment of sludge - with addition of chemical agents

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

Event Publications

26 February 2004 Complete Application Filed

4 August 2005 Application Open to Public Inspection

  Published as AU-A-2003279602

17 August 2006 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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