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(11)

EP 1 730 251 A1

(12)

(43) Date of publication: 13.12.2006 Bulletin 2006/50 (21) Application number: 05729260.9 (22) Date of filing: 22.03.2005

(51) International Patent Classification (IPC):  C10B 53/00(2006.01) F23G 7/00(2006.01) C10B 1/02(2006.01) B09B 3/00(2006.01) F23G 5/027(2006.01) (86) International application number: PCT/GB2005/001086 (87) International publication number: WO 2005/105954 (10.11.2005 Gazette 2005/45)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR (30) Priority: 31.03.2004 GB 0408518 (71) Applicant: AEA Technology Didcot, Oxfordshire OX11 0QJ (GB)

(72) Inventors: DUFFY, Graeme Oxford, Oxfordshire OX1 4PX (GB) ADAM, Malcolm, Robert Wantage, Oxfordshire OX12 9XP (GB) BRABON, Steven Wantage, Oxfordshire OX11 9HU (GB) KIERAN, Dominic Egham, Surrey TW20 0BY (GB) ROSS, Colin Caithness, Scotland KW12 6UU (GB) (74) Representative: Mansfield, Peter Turquand  IP Solutions Fugro House Hithercroft Road GB-Wallingford, Oxon OX10 9RB GB-Wallingford, Oxon OX10 9RB (GB)