(19)
(11) EP 3 523 404 A1

(12)

(43) Date of publication:
14.08.2019 Bulletin 2019/33

(21) Application number: 17858813.3

(22) Date of filing: 26.09.2017
(51) International Patent Classification (IPC): 
C10L 9/08(2006.01)
C02F 11/18(2006.01)
 C02F 11/10(2006.01)
D21C 11/00(2006.01)
(86) International application number:
PCT/SE2017/050932
(87) International publication number:
WO 2018/067055 (12.04.2018 Gazette 2018/15)
(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: 05.10.2016 SE 1651305

(71) Applicant: C-Green Technology AB
114 28 Stockholm (SE)

(72) Inventors:
  • LUNDQVIST, Fredrik
    SE-178 40 Ekerö (SE)
  • ODÉN, Erik
    SE-182 78 Stocksund (SE)
  • ÖHMAN, Fredrik
    SE-802 70 Gävle (SE)

(74) Representative: Kransell & Wennborg KB 
P.O. Box 27834
115 93 Stockholm
115 93 Stockholm (SE)

   


(54) METHOD FOR HYDROTHERMAL CARBONIZATION OF SLUDGE IN CHEMICAL PULP MILLS