EP 0654546 A1 19950524 - Method for pickling and an installation therefor.
Title (en)
Method for pickling and an installation therefor.
Title (de)
Beizverfahren und Einrichtung.
Title (fr)
Procédé et installation de décapage.
Publication
Application
Priority
NL 9302035 A 19931124
Abstract (en)
The present invention relates to a pickling method comprising of i) pickling in a pickling bath with a pickling medium with an iron concentration of more than 150 g iron/l; ii) cooling the pickling medium in order to crystallize iron chloride; iii) separating formed iron chloride crystals; and iv) returning pickling medium with iron removed to the pickling bath, and to a pickling installation therefor. <IMAGE>
IPC 1-7
IPC 8 full level
C23G 1/36 (2006.01)
CPC (source: EP)
C23G 1/36 (2013.01)
Citation (search report)
- [XY] US 5057290 A 19911015 - PETERSON JOSEPH C [US], et al
- [Y] DE 3521632 A1 19861218 - METALLGESELLSCHAFT AG [DE]
- [A] FR 997963 A 19520114 - COLIN & CIE
- [A] WO 8605523 A1 19860925 - KORROSIONSFORSKNING AB [SE]
- [A] WO 8102026 A1 19810723 - BOLIDEN AB [SE], et al
- [A] FR 1234930 A 19600701
- [A] CHEMICAL ABSTRACTS, vol. 107, no. 14, 5 October 1987, Columbus, Ohio, US; abstract no. 119313x, SCHWARZROCK: "Regeneration of acid bath in pickling steel" page 231; & CS 234724 B1 19850416 - SCHWARZROCK PAVEL, et al
Designated contracting state (EPC)
AT BE CH DE DK ES FR IT LI NL SE
DOCDB simple family (publication)
DOCDB simple family (application)
EP 94203432 A 19941124; NL 9302035 A 19931124