EP 1067217 A1 20010110 - Method and apparatus for protecting alkali chloride electrolytic cell
Title (en)
Method and apparatus for protecting alkali chloride electrolytic cell
Title (de)
Verfahren und Vorrichtung zum Schützen von Alkalimetall Elektrolysezellen
Title (fr)
Procédé et dispositif pour la protection de cellules d'électrolyse de chlorures alcalins
Publication
Application
Priority
JP 19324299 A 19990707
Abstract (en)
A method of protecting an alkali chloride electrolytic cell having a gas diffusion cathode, which comprises, on the occasion when the operation of the electrolytic cell is suspended: stopping feed of an oxygen-containing gas to a gas chamber of the cell; and substantially displacing an oxygen-containing gas atmosphere of the gas chamber with an inert gas atmosphere. Also disclosed is an apparatus for carrying out the method.
IPC 1-7
IPC 8 full level
C25B 1/46 (2006.01); C25B 15/00 (2006.01); C25B 15/02 (2006.01)
CPC (source: EP)
C25B 15/02 (2013.01)
Citation (search report)
- [X] US 4364806 A 19821221 - ROGERS DOUGLAS K
- [A] EP 0922789 A1 19990616 - ATOCHEM ELF SA [FR]
- [A] US 5112464 A 19920512 - TSOU YU-MIN [US], et al
Designated contracting state (EPC)
DE IT
DOCDB simple family (publication)
EP 1067217 A1 20010110; CN 1280212 A 20010117; JP 2001020089 A 20010123
DOCDB simple family (application)
EP 00114526 A 20000706; CN 00120344 A 20000707; JP 19324299 A 19990707