(19)

(11)

EP 2 291 229 A2

(12)

(88) Date of publication A3: 04.03.2010 (43) Date of publication: 09.03.2011 Bulletin 2011/10 (21) Application number: 09770599.0 (22) Date of filing: 29.04.2009

(51) International Patent Classification (IPC):  B01D 53/02(2006.01) B01D 53/62(2006.01) (86) International application number: PCT/US2009/042093 (87) International publication number: WO 2009/158064 (30.12.2009 Gazette 2009/53)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA RS (30) Priority: 26.06.2008 US 75839 (71) Applicant: Uop LLC 25 East Algonquin Rd. P.O. Box 5017 Des Plaines, Illinois 60017-5017 (US)	(72) Inventor: DAVIS, Lamar, A. Des Plaines, IL 60017-5017 (US) (74) Representative: Hayes, Adrian Chetwynd  Boult Wade Tennant Verulam Gardens 70 Gray's Inn Road London WC1X 8BT London WC1X 8BT (GB)