(19)

(11)

EP 2 406 566 A2

(12)

(88) Date of publication A3: 24.03.2011 (43) Date of publication: 18.01.2012 Bulletin 2012/03 (21) Application number: 10708355.2 (22) Date of filing: 05.03.2010

(51) International Patent Classification (IPC):  F25J 3/02(2006.01) F25J 3/06(2006.01) C01B 31/20(2006.01) C01B 3/50(2006.01) F25J 1/02(2006.01) (86) International application number: PCT/GB2010/000405 (87) International publication number: WO 2010/103259 (16.09.2010 Gazette 2010/37)

(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 SM TR (30) Priority: 09.03.2009 EP 09250654 16.12.2009 WO PCT/GB2009/002895 12.01.2010 EP 10250045 21.01.2010 EP 10250096 (71) Applicant: BP Alternative Energy International Limited Sunbury on Thames, Middlesex TW16 7BP (GB)	(72) Inventors: BOUGH, Matthew Hull HU9 1FB (GB) FORSYTH, Jonathan, Alec Berkshire RG14 1RN (GB) GODFREY, Michael, John Middlesex TW11 9PR (GB) HUDA, Badrul Surrey GU22 9LZ (GB) (74) Representative: Murray, Elisabeth Anne et al BP International Limited Global Patents & Technology Law Chertsey Road Sunbury-on-Thames, Middx TW16 7LN Sunbury-on-Thames, Middx TW16 7LN (GB)