EP 2238290 A2 20101013 - METHOD AND DEVICE FOR PROCESSING WASTE PAPER
Title (en)
METHOD AND DEVICE FOR PROCESSING WASTE PAPER
Title (de)
VERFAHREN UND VORRICHTUNG ZUR AUFBEREITUNG VON ALTPAPIER
Title (fr)
PROCÉDÉ ET DISPOSITIF DE TRAITEMENT DE VIEUX PAPIER
Publication
Application
Priority
- EP 2008009447 W 20081108
- DE 102007055557 A 20071120
Abstract (en)
[origin: WO2009065506A2] The invention relates to a method for processing waste paper according to the following steps : a) the waste paper is decomposed into fibres, b) the fibres are washed, c) the fibers are subjected to a dispersion process, d) the fibres are subjected to a flotation method, e) the fibres are processed for further treatment in a paper machine. The liquid from the fibres obtained in step b) is reintroduced into the fibre flow prior to step d). The invention also relates to a device for carrying out said method.
IPC 8 full level
D21B 1/32 (2006.01)
CPC (source: EP US)
D21B 1/32 (2013.01 - EP US); D21B 1/325 (2013.01 - EP US); Y02W 30/64 (2015.05 - EP US)
Citation (search report)
See references of WO 2009065506A2
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA MK RS
DOCDB simple family (publication)
DE 102007055557 A1 20090528; EP 2238290 A2 20101013; US 2011162810 A1 20110707; WO 2009065506 A2 20090528; WO 2009065506 A3 20090709
DOCDB simple family (application)
DE 102007055557 A 20071120; EP 08851130 A 20081108; EP 2008009447 W 20081108; US 73474208 A 20081108