COMBUSTION AIR SYSTEM FOR RECOVERY BOILERS, BURNING SPENT LIQUORS FROM PULPING PROCESSES

Details for Australian Patent Application No. 2002244781 (hide)

Owner ANDRITZ OY

Inventors MATTELMAKI, Esko; SAVIHARJU, Kari; SIMONEN, Jorma; SIMONEN, Liisa; VAKKILAINEN, Esa

Pub. Number AU-A-2002244781

PCT Pub. Number WO2002/081971

Priority 60/281,791 06.04.01 US

Filing date 3 April 2002

Wipo publication date 21 October 2002

International Classifications

F23L 009/00 Passages or apertures for delivering secondary air for completing combustion of fuel

F23G 007/04 Methods or apparatus, e.g. incinerators, specially adapted for combustion of specific waste or low grade fuels, e.g. chemicals - of waste liquors, e.g. sulfite liquors

D21C 011/12 Regeneration of pulp liquors - Combustion of pulp liquors

Event Publications

10 April 2003 Application Open to Public Inspection

  Published as AU-A-2002244781

19 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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