(19)

(11)

EP 2 429 683 A1

(12)

(43) Date of publication: 21.03.2012 Bulletin 2012/12 (21) Application number: 10718227.1 (22) Date of filing: 12.05.2010

(51) International Patent Classification (IPC):  B01D 53/00(2006.01) F23J 15/02(2006.01) B01D 5/00(2006.01) F25J 3/06(2006.01) (86) International application number: PCT/EP2010/056541 (87) International publication number: WO 2010/130781 (18.11.2010 Gazette 2010/46)

(84) Designated Contracting States: AL 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 SM TR (30) Priority: 15.05.2009 EP 09160338 (71) Applicant: Shell Internationale Research Maatschappij B.V. 2596 HR The Hague (NL)

(72) Inventors: VAN DORST, Eva, Marfilia NL-1031 HW Amsterdam (NL) DE NAZELLE, Gerard NL-1031 HW Amsterdam (NL) VAN DER PLOEG, Hendrik, Jan NL-1031 HW Amsterdam (NL) VAN DER VAART, Rick NL-2288 GS Rijswijk (NL) WESKER, Evert NL-1031 HW Amsterdam (NL) (74) Representative: Matthezing, Robert Maarten  Shell International B.V. Intellectual Property Services P.O. Box 384 2501 CJ The Hague 2501 CJ The Hague (NL)