(19)
(11) EP 0 977 919 A1

(12)

(43) Date of publication:
09.02.2000 Bulletin 2000/06

(21) Application number: 98919692.8

(22) Date of filing: 07.04.1998
(51) International Patent Classification (IPC)7D21C 11/12
(86) International application number:
PCT/SE9800/637
(87) International publication number:
WO 9848/102 (29.10.1998 Gazette 1998/43)
(84) Designated Contracting States:
AT DE FI SE

(30) Priority: 24.04.1997 SE 9701546

(71) Applicant: Kvaerner Pulping AB
651 15 Karlstad (SE)

(72) Inventor:
  • NILSSON, Bengt
    S-663 00 Skoghall (SE)

   


(54) SEPARATING ALKALI METALS FROM GASIFIED BLACK LIQUOR