EP 2352859 B1 20180627 - PICKLING METHOD AND PICKLING PLANT
Title (en)
PICKLING METHOD AND PICKLING PLANT
Title (de)
BEIZVERFAHREN UND BEIZANLAGE
Title (fr)
PROCÉDÉ ET INSTALLATION DE DÉCAPAGE
Publication
Application
Priority
- DE 2009001552 W 20091103
- DE 102008055668 A 20081103
- DE 102008063729 A 20081218
- DE 102008062970 A 20081223
Abstract (en)
[origin: WO2010060408A2] Disclosed are a method for treating aluminum or aluminum alloy workpieces and a plant that can be operated according to such a method. According to the invention, a partial amount of a solution is withdrawn from a bath for treating the workpieces, solids are removed from said partial amount of the solution, and the partial amount of the solution is fed back to the bath at a predetermined concentration and a predetermined volume flow rate.
IPC 8 full level
C23F 1/36 (2006.01); C23F 1/46 (2006.01); C23G 1/22 (2006.01); C23G 1/36 (2006.01); C23G 3/02 (2006.01); C25D 21/14 (2006.01)
CPC (source: EP)
C23F 1/36 (2013.01); C23F 1/46 (2013.01); C23G 1/22 (2013.01); C23G 1/36 (2013.01); C23G 3/027 (2013.01); C25D 11/16 (2013.01)
Citation (examination)
- WO 0194510 A1 20011213 - CHURCH & DWIGHT CO INC [US], et al
- DE 4008379 A1 19910919 - GARTNER & CO J [DE]
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 MK MT NL NO PL PT RO SE SI SK SM TR
DOCDB simple family (publication)
WO 2010060408 A2 20100603; WO 2010060408 A3 20101007; WO 2010060408 A4 20101125; DE 112009003274 A5 20120920; EP 2352859 A2 20110810; EP 2352859 B1 20180627
DOCDB simple family (application)
DE 2009001552 W 20091103; DE 112009003274 T 20091103; EP 09796936 A 20091103