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(11)

EP 1 492 604 A1

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(43) Date of publication: 05.01.2005 Bulletin 2005/01 (21) Application number: 02731252.9 (22) Date of filing: 05.04.2002

(51) International Patent Classification (IPC)7: B01D 15/00, B01D 17/00, B01J 8/02, B01J 8/04 (86) International application number: PCT/US2002/010559 (87) International publication number: WO 2003/086567 (23.10.2003 Gazette 2003/43)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (71) Applicant: FLUOR CORPORATION Aliso Viejo, CA 92656-2606 (US)	(72) Inventors: STUPIN, Steven W.,Fluor Corporation Aliso Viejo, CA 92656-2606 (US) JACOBS, Garry E.,Fluor Corporation Aliso Viejo, CA 92656-2606 (US) (74) Representative: Viering, Jentschura & Partner  Postfach 22 14 43 80504 München 80504 München (DE)