(19)

(11)

EP 2 300 362 A1

(12)

(43) Date of publication: 30.03.2011 Bulletin 2011/13 (21) Application number: 08789984.5 (22) Date of filing: 12.06.2008

(51) International Patent Classification (IPC):  C01B 3/38(2006.01) C01B 3/34(2006.01) C01B 3/50(2006.01) (86) International application number: PCT/IT2008/000395 (87) International publication number: WO 2009/150678 (17.12.2009 Gazette 2009/51)

(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 MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (71) Applicant: Tecnimont KT S.p.A. 00148 Roma (IT)	(72) Inventor: IAQUANIELLO, Gaetano I-00153 Roma (IT) (74) Representative: Sarpi, Maurizio  Studio Ferrario S.r.l. Via Collina, 36 00187 Roma 00187 Roma (IT)