Refractory lining material for electrolytic reduction cell...

Details Refractory lining material for electrolytic reduction cell... Refractory lining material for electrolytic reduction cell...

C - Chemistry, Metallurgy

04

B

117/162, 204/209

C04B 35/65 (2006.01) B32B 18/00 (2006.01) C04B 35/58 (2006.01) C04B 41/51 (2006.01) C04B 41/88 (2006.01) C25C 3/08 (2006.01)

Patent

CA 1222667

A B S T R A C T A method of making a refractory material, e.g. suitable for use in lining Al electrolytic cells, comprises passing molten Al containing suspended particles of a transition metal diboride (e.g. TiB2) through a refractory filter, on and in which the particles are deposited. The filter can be used as it is, or compressed and sintered, or comminuted and formed into bodies. The concentration of the diboride may be at least 25% on the upstream surface of the filter but progressively reduced with increasing distance from that surface.

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