EP 1792012 A4 20121107 - METHOD AND APPARATUS FOR FEEDING CHEMICALS INTO A PROCESS LIQUID FLOW
Title (en)
METHOD AND APPARATUS FOR FEEDING CHEMICALS INTO A PROCESS LIQUID FLOW
Title (de)
VERFAHREN UND VORRICHTUNG ZUR STOFFZUFUHR IN EINEN PROZESSFLÜSSIGKEITSSTROM
Title (fr)
PROCEDE ET APPAREIL D'ALIMENTATION EN PRODUITS CHIMIQUES DANS UN FLUX DE LIQUIDE DE TRAITEMENT
Publication
Application
Priority
- FI 2005000329 W 20050712
- FI 20040990 A 20040716
Abstract (en)
[origin: WO2006008333A2] The present invention relates to a method and apparatus for feeding chemicals into a process liquid flow. The object of a preferred embodiment of the method and the apparatus of the present invention is feeding retention /chemical together with an additive, which may be another chemical or for example a mineral, to paper suspension flow to be fed to a paper machine. The method and the apparatus of the invention are particularly well applicable in feeding an additive of the paper manufacture, such as a filler, together with a retention chemical to paper pulp essentially simultaneously.
IPC 8 full level
D21H 23/04 (2006.01); B01F 3/08 (2006.01); B01F 5/00 (2006.01); B01F 5/02 (2006.01); B01F 5/04 (2006.01); B01F 15/02 (2006.01); D21H 23/02 (2006.01); D21H 17/67 (2006.01); D21H 21/10 (2006.01); D21H 21/16 (2006.01); D21H 21/30 (2006.01)
IPC 8 main group level
D21H (2006.01)
CPC (source: EP KR US)
B01F 23/451 (2022.01 - EP US); B01F 25/10 (2022.01 - EP US); B01F 25/20 (2022.01 - KR); B01F 25/311 (2022.01 - EP US); B01F 25/313 (2022.01 - EP US); B01F 25/314 (2022.01 - EP US); B01F 35/71 (2022.01 - KR); B01F 35/715 (2022.01 - EP); D21H 23/02 (2013.01 - EP US); B01F 35/715 (2022.01 - US); B01F 2101/47 (2022.01 - EP US); D21H 17/67 (2013.01 - EP US); D21H 21/10 (2013.01 - EP US); D21H 21/16 (2013.01 - EP US); D21H 21/30 (2013.01 - EP US)
Citation (search report)
- [XDI] US 6659636 B1 20031209 - MATULA JOUNI [FI]
- [XI] EP 0745463 A2 19961204 - MEDITE CORP [US]
- See references of WO 2006008333A2
Citation (examination)
US 4880447 A 19891114 - BLOCH CHRISTOPHER J [US]
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)
WO 2006008333 A2 20060126; WO 2006008333 A3 20060413; CA 2572991 A1 20060126; EP 1792012 A2 20070606; EP 1792012 A4 20121107; FI 116473 B 20051130; FI 20040990 A0 20040716; JP 2008506859 A 20080306; JP 2011183395 A 20110922; KR 101241794 B1 20130314; KR 20070052264 A 20070521; US 2008230194 A1 20080925; US 2011226432 A1 20110922
DOCDB simple family (application)
FI 2005000329 W 20050712; CA 2572991 A 20050712; EP 05771628 A 20050712; FI 20040990 A 20040716; JP 2007520848 A 20050712; JP 2011126063 A 20110606; KR 20077000778 A 20050712; US 201113108521 A 20110516; US 57216505 A 20050712