EP 2431500 B1 20130403 - Regeneration of zinc nickel alkali electrolytes by removing cyanide ions by using soluble quarternary ammonium compounds
Title (en)
Regeneration of zinc nickel alkali electrolytes by removing cyanide ions by using soluble quarternary ammonium compounds
Title (de)
Regeneration alkalischer Zinknickelelektrolyte durch Entfernen von Cyanidionen mit Hilfe von löslichen quartären Ammoniumverbindungen
Title (fr)
Régénération d'électrolytes alcalins en nickel-zinc par suppression de cyanidions à l'aide de composés solubles d'ammonium quaternaire
Publication
Application
Priority
EP 10177852 A 20100921
Abstract (en)
[origin: EP2431500A1] Use of a soluble quaternary ammonium compound for regeneration of a zinc nickel electrolyte by removal of cyanide, is claimed. An independent claim is also included for regenerating the zinc nickel electrolyte by removal of cyanide ions, comprising adding a soluble quaternary ammonium compound to the zinc nickel electrolyte, and removing the cyanide-containing precipitate.
IPC 8 full level
C25D 3/24 (2006.01); C25D 21/06 (2006.01); C25D 21/18 (2006.01)
CPC (source: EP)
C25D 3/24 (2013.01); C25D 3/565 (2013.01); C25D 21/06 (2013.01); C25D 21/18 (2013.01)
Designated contracting state (EPC)
AL 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)
EP 2431500 A1 20120321; EP 2431500 B1 20130403; ES 2416984 T3 20130805; PL 2431500 T3 20130830
DOCDB simple family (application)
EP 10177852 A 20100921; ES 10177852 T 20100921; PL 10177852 T 20100921