Ceramic filter and process for making it

Details Ceramic filter and process for making it Ceramic filter and process for making it

C - Chemistry, Metallurgy

04

B

183/110, 182/120

C04B 38/00 (2006.01) B01D 39/20 (2006.01) B01D 71/02 (2006.01) C04B 35/10 (2006.01) C04B 35/119 (2006.01) C04B 35/48 (2006.01) C04B 35/64 (2006.01)

Patent

CA 2035180

ABSTRACT OF THE DISCLOSURE A process for manufacturing a ceramic filter having a given pore size required as a filter membrane and also having superior alkali resistance and acid resistance. The filter of the present invention is produced by preparing an aggregate comprising alumina coarse particles and a sintering aid comprising alumina-zirconium mixed particles containing not more than 90 wt.% of alumina, blending said alumina coarse particles and alumina- zirconium mixed particles so as for alumina to be in an amount of from 80 to 99 wt.% based on the total weight of the starting materials, forming the blended starting materials to have a desired shape, and firing the formed product.

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