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(11)

EP 1 189 679 A1

(12)

(43) Date of publication: 27.03.2002 Bulletin 2002/13 (21) Application number: 00915052.5 (22) Date of filing: 14.04.2000

(51) International Patent Classification (IPC)7: B01D 53/32, F01N 3/10 (86) International application number: PCT/AU0000/325 (87) International publication number: WO 0062/904 (26.10.2000 Gazette 2000/43)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 16.04.1999 AU PP979099 (71) Applicant: SWINBURNE LIMITED Hawthorn, VIC 3122 (AU)	(72) Inventors: SIORES, Elias Kew East, Victoria 3102 (AU) DESTEFANI, Carlos, Alberto Hawthorn, Victoria 3122 (AU) (74) Representative: Habasque, Etienne Joel Jean-François et al Cabinet Lavoix2, Place d'Estienne d'Orves 75441 Paris Cédex 09 75441 Paris Cédex 09 (FR)