EP 0996773 A1 20000503 - A DRAINED CATHODE CELL FOR THE PRODUCTION OF ALUMINIUM
Title (en)
A DRAINED CATHODE CELL FOR THE PRODUCTION OF ALUMINIUM
Title (de)
ZELL FÜR ALUMINIUM-HERSTELLUNG MIT DRAINIERFÄHIGE KATHODE
Title (fr)
CELLULE A CATHODE DRAINEE POUR LA PRODUCTION D'ALUMINIUM
Publication
Application
Priority
- IB 9801045 W 19980707
- US 89096397 A 19970708
Abstract (en)
[origin: WO9902764A1] A drained cathode cell for the production of aluminium by the electrolysis of an aluminium compound dissolved in a molten electrolyte, in which a dimensionally stable active cathode surface (35) has a sloping aluminium-wettable surface (37) permitting the produced aluminium to drain from the cathode surface. The anodes (10) are carbon or non-carbon anodes with active faces (16) facing cathode surfaces (35) both at a slope up to about 60 DEG . The anode-cathode gap between the sloping anodes and cathodes is no more than 3 cm and is configured such that an upward circulation of the electrolyte is induced in the anode-cathode space by the anodically-released gases. An alumina-rich melt is fed at the lower part of the anode-cathode gap.
IPC 1-7
IPC 8 full level
C25C 3/08 (2006.01)
CPC (source: EP)
C25C 3/08 (2013.01)
Citation (search report)
See references of WO 9902764A1
Designated contracting state (EPC)
DE ES FR GB IT NL
DOCDB simple family (publication)
WO 9902764 A1 19990121; AU 8031398 A 19990208; CA 2295495 A1 19990121; CA 2295495 C 20071120; DE 69837966 D1 20070802; DE 69837966 T2 20080228; EP 0996773 A1 20000503; EP 0996773 B1 20070620; NO 20000095 D0 20000107; NO 20000095 L 20000306; NO 321787 B1 20060703
DOCDB simple family (application)
IB 9801045 W 19980707; AU 8031398 A 19980707; CA 2295495 A 19980707; DE 69837966 T 19980707; EP 98928496 A 19980707; NO 20000095 A 20000107