EP 1149188 B1 20020911 - HIGH-STRENGTH LOW-ALLOY STEEL ANODES FOR ALUMINIUM ELECTROWINNING CELLS
Title (en)
HIGH-STRENGTH LOW-ALLOY STEEL ANODES FOR ALUMINIUM ELECTROWINNING CELLS
Title (de)
ANODEN AUS HOCHFESTEM, NIEDRIGLEGIERTEM STAHL FÜR ZELLEN ZUR ALUMINIUM-SCHMELZELEKTROLYSE
Title (fr)
ANODES EN ACIER HAUTE RESISTANCE FAIBLEMENT ALLIE POUR CELLULES D'EXTRACTION ELECTROLYTIQUE DE L'ALUMINIUM
Publication
Application
Priority
- IB 0000028 W 20000110
- IB 9900015 W 19990108
Abstract (en)
[origin: WO0040783A1] An anode of a cell for the electrowinning of aluminium comprises a low-carbon high-strength low-alloy (HSLA) steel body or layer whose surface is oxidised to form a coherent and adherent outer iron oxide-based layer the surface of which is electrochemically active for the evolution of oxygen. The iron oxide-based layer has a low solubility in the molten electrolyte. During use, the thickness of the iron oxide-based layer is such as to reduce or prevent diffusion of oxygen from the electrochemically active surface into the steel body or layer. During cell operation, the anode may be maintained dimensionally stable by saturating the electrolyte with anode constituents.
IPC 1-7
IPC 8 full level
C25C 3/12 (2006.01)
CPC (source: EP)
C25C 3/12 (2013.01)
Designated contracting state (EPC)
DE ES GB
DOCDB simple family (publication)
WO 0040783 A1 20000713; AU 1793200 A 20000724; CA 2360094 A1 20000713; CA 2360094 C 20051129; DE 60000436 D1 20021017; DE 60000436 T2 20030515; EP 1149188 A1 20011031; EP 1149188 B1 20020911; ES 2180506 T3 20030216
DOCDB simple family (application)
IB 0000028 W 20000110; AU 1793200 A 20000110; CA 2360094 A 20000110; DE 60000436 T 20000110; EP 00900036 A 20000110; ES 00900036 T 20000110