EP 1654420 A2 20060510 - METHOD FOR CHARGING A FIBER SUSPENSION, AND ARRANGEMENT FOR CARRYING OUT SAID METHOD
Title (en)
METHOD FOR CHARGING A FIBER SUSPENSION, AND ARRANGEMENT FOR CARRYING OUT SAID METHOD
Title (de)
VERFAHREN ZUM BELADEN EINER FASERSTOFFSUSPENSION UND ANORDNUNG ZUR DURCHFÜHRUNG DES VERFAHRENS
Title (fr)
PROCEDE POUR INTRODUIRE UNE CHARGE DANS UNE SUSPENSION DE MATIERE FIBREUSE ET DISPOSITIF POUR LA MISE EN OEUVRE DUDIT PROCEDE
Publication
Application
Priority
- EP 2004051701 W 20040803
- DE 10335751 A 20030805
Abstract (en)
[origin: WO2005014934A2] Disclosed is a method for charging a fiber suspension containing cellulose fibers with calcium carbonate. Said method comprises the following steps: liquid or dry calcium hydroxide or calcium oxide is introduced into the fiber suspension; gaseous carbon dioxide is introduced into the fiber suspension; calcium carbonate is precipitated by the carbon dioxide; and the fiber suspension is ground during the charging process.
IPC 1-7
IPC 8 full level
D21B 1/00 (2006.01); D21H 17/67 (2006.01); D21H 17/70 (2006.01); D21H 21/52 (2006.01); D21H 23/16 (2006.01)
CPC (source: EP US)
D21B 1/00 (2013.01 - EP US); D21H 17/675 (2013.01 - EP US); D21H 17/70 (2013.01 - EP US); D21H 21/52 (2013.01 - EP US); D21H 23/16 (2013.01 - EP US)
Citation (search report)
See references of WO 2005014934A2
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2005014934 A2 20050217; WO 2005014934 A3 20050609; BR PI0413337 A 20061010; CN 1823197 A 20060823; DE 10335751 A1 20050303; EP 1654420 A2 20060510; JP 2007501337 A 20070125; US 2007131361 A1 20070614
DOCDB simple family (application)
EP 2004051701 W 20040803; BR PI0413337 A 20040803; CN 200480020557 A 20040803; DE 10335751 A 20030805; EP 04766407 A 20040803; JP 2006522357 A 20040803; US 56604604 A 20040803