(19)
(11) EP 3 256 780 A1

(12)

(43) Date of publication:
20.12.2017 Bulletin 2017/51

(21) Application number: 16704032.8

(22) Date of filing: 08.02.2016
(51) International Patent Classification (IPC): 
F23C 10/12(2006.01)
F23L 1/02(2006.01)
F23C 10/20(2006.01)
 F23J 7/00(2006.01)
F23L 9/02(2006.01)
(86) International application number:
PCT/FI2016/050079
(87) International publication number:
WO 2016/128616 (18.08.2016 Gazette 2016/33)
(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 RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
MA MD

(30) Priority: 09.02.2015 FI 20155088

(71) Applicant: Fortum OYJ
02150 Espoo (FI)

(72) Inventors:
  • DERNJATIN, Pauli
    00670 Helsinki (FI)
  • HEIKKILÄ, Jouko
    00350 Helsinki (FI)

(74) Representative: Papula Oy 
P.O. Box 981
00101 Helsinki
00101 Helsinki (FI)

   


(54) METHOD FOR REDUCING NITROGEN OXIDE EMISSIONS IN A BUBBLING FLUIDIZED BED BOILER AND BUBBLING FLUIDIZED BED BOILER