(19)

(11)

EP 2 321 579 A2

(12)

(88) Date of publication A3: 27.05.2010 (43) Date of publication: 18.05.2011 Bulletin 2011/20 (21) Application number: 09790468.4 (22) Date of filing: 15.07.2009

(51) International Patent Classification (IPC):  F23G 5/027(2006.01) F23G 5/32(2006.01) F23N 3/00(2006.01) F23G 5/16(2006.01) F23N 5/02(2006.01) F23N 5/00(2006.01) (86) International application number: PCT/US2009/050694 (87) International publication number: WO 2010/009231 (21.01.2010 Gazette 2010/03)

(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 Designated Extension States: AL BA RS (30) Priority: 15.07.2008 US 80805 P 18.05.2009 US 467887 (71) Applicant: Covanta Energy Corporation Fairfield NJ 07004 (US)	(72) Inventor: ZHANG, Hanwei Fairfield, NJ 07004 (US) (74) Representative: Crippa, Paolo Ernesto et al Jacobacci & Partners S.p.A. Via Senato, 8 20121 Milano 20121 Milano (IT)