Continuous process for production of fine particulate ceramics

Details Continuous process for production of fine particulate ceramics Continuous process for production of fine particulate ceramics

C - Chemistry, Metallurgy

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C01B 13/18 (2006.01) B01J 3/00 (2006.01) B01J 13/00 (2006.01) C01B 13/32 (2006.01) C01B 13/36 (2006.01) C01F 7/34 (2006.01) C01F 7/36 (2006.01) C01F 7/44 (2006.01) C01F 17/00 (2006.01) C01G 25/02 (2006.01) C01G 27/02 (2006.01) C04B 35/00 (2006.01) C04B 35/626 (2006.01)

Patent

CA 1298955

ABSTRACT OF THE DISCLOSURE A process is comprised of continuously producing a fine ceramic powder by drying at supercritical conditions. The feed is a sol of ceramic oxides or hydrous oxides which is continuously pressurized and heated to in excess of the critical temperature and pressure of the sol solvent. The solvent transforms to a gas and separates from the fine particulate ceramic oxide powder, which remains in a highly divided state.

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