EP 1366214 B1 20041215 - ALUMINIUM-WETTABLE POROUS CERAMIC MATERIAL
Title (en)
ALUMINIUM-WETTABLE POROUS CERAMIC MATERIAL
Title (de)
ALUMINIUMBENETZBARES PORÖSES KERAMISCHES MATERIAL
Title (fr)
MATERIAU CERAMIQUE POREUX MOUILLABLE PAR L'ALUMINIUM
Publication
Application
Priority
- IB 0200668 W 20020304
- IB 0100320 W 20010307
Abstract (en)
[origin: WO02070783A1] A material, for instance used as an aluminium-wettable component (21,21', 41,41', 51), in particular of a cell for the electrowinning of aluminium (60), comprises an openly porous or reticulated ceramic structure whose surface during use is exposed to and wetted by molten aluminium. The structure is made of ceramic material inert and resistant to molten aluminium, such as alumina, and an aluminium-wettable material that comprises metal oxide and/or partly oxidised metal, in particular of manganese, iron, cobalt, nickel, copper or zinc, which is/are reactable with molten aluminium to form a surface layer containing alumina, aluminium and metal derived from the metal oxide and/or partly oxidised metal. The ceramic structure comprises a coating of the aluminium-wettable material on the inert and resistant ceramic material, or is made of a mixture of the inert and resistant material and of the aluminium-wettable ceramic material. The aluminium-wetted component is suitable for use as a cathode (21,21'), as a sidewall (41,41') or as another component (51) which during use is exposed to molten aluminium (60) and/or electrolyte (5), or another oxidising and/or corrosive media at high temperature.
IPC 1-7
IPC 8 full level
C25C 3/08 (2006.01)
CPC (source: EP US)
C25C 3/08 (2013.01 - EP US); C25C 3/085 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
DOCDB simple family (publication)
WO 02070783 A1 20020912; AT E284983 T1 20050115; CA 2438526 A1 20020912; DE 60202265 D1 20050120; DE 60202265 T2 20050525; EP 1366214 A1 20031203; EP 1366214 B1 20041215; ES 2230467 T3 20050501; NZ 527306 A 20060331; RU 2003129656 A 20050210; RU 2281987 C2 20060820; US 2004149569 A1 20040805
DOCDB simple family (application)
IB 0200668 W 20020304; AT 02702625 T 20020304; CA 2438526 A 20020304; DE 60202265 T 20020304; EP 02702625 A 20020304; ES 02702625 T 20020304; NZ 52730602 A 20020304; RU 2003129656 A 20020304; US 46945304 A 20040326