(19)
(11) EP 1 444 395 A1

(12)

(43) Date of publication:
11.08.2004 Bulletin 2004/33

(21) Application number: 02751936.2

(22) Date of filing: 23.07.2002
(51) International Patent Classification (IPC)7D21C 11/06
(86) International application number:
PCT/SE2002/001405
(87) International publication number:
WO 2003/016616 (27.02.2003 Gazette 2003/09)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 14.08.2001 SE 0102717

(71) Applicant: Kvaerner Power AB
402 75 Göteborg (SE)

(72) Inventors:
  • WIMBY, Martin
    S-417 57 Göteborg (SE)
  • OLAUSSON, Lars
    S-424 53 Angered (SE)
  • ERIKSSON, Mikael
    S-431 33 Mölndal (SE)

(74) Representative: Johansson, Lars E. 
Hynell Patenttjänst ABPatron Carls Väg 2
683 40 Hagfors/Uddeholm
683 40 Hagfors/Uddeholm (SE)

   


(54) PROCESS FOR LEACHING ELECTRICAL FILTER ASH FROM A RECOVERY BOILER