(19)
(11) EP 2 547 825 A1

(12)

(43) Date of publication:
23.01.2013 Bulletin 2013/04

(21) Application number: 11718420.0

(22) Date of filing: 17.03.2011
(51) International Patent Classification (IPC): 
D21D 5/24(2006.01)
 B04C 1/00(2006.01)
(86) International application number:
PCT/FI2011/050230
(87) International publication number:
WO 2011/114003 (22.09.2011 Gazette 2011/38)
(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

(30) Priority: 18.03.2010 FI 20105269

(71) Applicant: Andritz Oy
00180 Helsinki (FI)

(72) Inventors:
  • LJOKKOI, Risto
    FI-48601 Kotka (FI)
  • SIIK, Sami
    FI-49490 Neuvoton (FI)
  • ENGSTRÖM, Johan
    FI-02700 Kauniainen (FI)

(74) Representative: HOFFMANN EITLE 
Patent- und Rechtsanwälte Arabellastraße 4
81925 München
81925 München (DE)

   


(54) ARRANGEMENT AND METHOD FOR SEPARATING HARMFUL MATERIAL IN A PULP PRODUCTION PROCESS