(19)
(11) EP 3 377 696 A1

(12)

(43) Date of publication:
26.09.2018 Bulletin 2018/39

(21) Application number: 16866744.2

(22) Date of filing: 18.10.2016
(51) International Patent Classification (IPC): 
D21C 7/10(2006.01)
D21C 11/10(2006.01)
D21C 3/24(2006.01)
 D21C 7/14(2006.01)
D21C 3/22(2006.01)
(86) International application number:
PCT/SE2016/051013
(87) International publication number:
WO 2017/086856 (26.05.2017 Gazette 2017/21)
(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: 16.11.2015 SE 1551483

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

(72) Inventor:
  • OLSSON, Krister
    SE-652 28 Karlstad (SE)

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

   


(54) METHOD FOR HEATING CELLULOSIC MATERIAL TO FULL COOKING TEMPERATURE IN DIGESTERS