Global Patent Index - EP 1792008 A1

EP 1792008 A1 20070606 - METHOD AND DEVICE FOR CHARGING A FIBRE MATERIAL SUSPENSION

Title (en)

METHOD AND DEVICE FOR CHARGING A FIBRE MATERIAL SUSPENSION

Title (de)

VERFAHREN UND VORRICHTUNG ZUM BELADEN EINER FASERSTOFFSUSPENSION

Title (fr)

PROCEDE ET DISPOSITIF DE CHARGE D'UNE SUSPENSION DE MATIERE FIBREUSE

Publication

EP 1792008 A1 20070606 (DE)

Application

EP 05771522 A 20050816

Priority

  • EP 2005008851 W 20050816
  • DE 102004045089 A 20040917

Abstract (en)

[origin: WO2006032333A1] The invention relates to a method for charging a fibre material suspension, which contains cellulose fibres, with calcium carbonate, said method consisting of the following steps: calcium hydroxide in a liquid or dry form or calcium oxide is introduced into the fibre material suspension, carbon dioxide is introduced into the fibre material suspension, calcium carbonate is precipitated from the calcium hydroxide by the carbon dioxide in a pressurised pressure container (2).

IPC 8 full level

D21H 17/67 (2006.01)

CPC (source: EP US)

D21H 17/675 (2013.01 - EP US); D21H 17/70 (2013.01 - EP US); D21H 21/52 (2013.01 - EP US); D21H 23/04 (2013.01 - EP US)

Citation (search report)

See references of WO 2006032333A1

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

DE 102004045089 A1 20060323; BR PI0514926 A 20080701; CA 2580697 A1 20060330; CN 101014740 A 20070808; EP 1792008 A1 20070606; US 2007151681 A1 20070705; WO 2006032333 A1 20060330

DOCDB simple family (application)

DE 102004045089 A 20040917; BR PI0514926 A 20050816; CA 2580697 A 20050816; CN 200580030107 A 20050816; EP 05771522 A 20050816; EP 2005008851 W 20050816; US 67783207 A 20070222