(19)
(11) EP 3 215 672 A1

(12)

(43) Date of publication:
13.09.2017 Bulletin 2017/37

(21) Application number: 15857624.9

(22) Date of filing: 04.11.2015
(51) International Patent Classification (IPC): 
D21C 3/24(2006.01)
D21C 7/14(2006.01)
D21C 11/00(2006.01)
 D21C 3/02(2006.01)
D21C 9/02(2006.01)
(86) International application number:
PCT/SE2015/051161
(87) International publication number:
WO 2016/072919 (12.05.2016 Gazette 2016/19)
(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: 07.11.2014 SE 1451340

(71) Applicant: Valmet AB
851 94 Sundsvall (SE)

(72) Inventors:
  • WILGOTSON, Fredrik
    S-852 31 Sundsvall (SE)
  • HÄGGLUND, Magnus
    S-651 15 Karlstad (SE)
  • OLSSON, Krister
    S-652 28 Karlstad (SE)

(74) Representative: Becker Kurig Straus 
Patentanwälte Bavariastrasse 7
80336 München
80336 München (DE)

   


(54) METHOD FOR OPERATING A TWO VESSEL DIGESTER SYSTEM