Process for manufacture of metal oxide

Details Process for manufacture of metal oxide Process for manufacture of metal oxide

C - Chemistry, Metallurgy

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C01B 13/32 (2006.01) C01B 13/14 (2006.01) C01B 33/16 (2006.01) C01F 7/36 (2006.01) C01F 11/02 (2006.01) C01G 15/00 (2006.01) C01G 23/053 (2006.01)

Patent

CA 1278417

PROCESS FOR MANUFACTURE OF METAL OXIDE ABSTRACT OF THE DISCLOSURE An improved process for the manufacture of a metal oxide is disclosed. In the process wherein a hydrolyzable organometallic compound is hydrolyzed by an alkaline hydrolyzing agent in an alkaline organic solvent, and thereafter, the metal oxide is formed by a condensation reaction of a metal hydroxide resulting from the hydrolysis of the organometallic compound, the improvement comprises feeding the organometallic compound and the hydrolyzing agent into the organic solvent so that a concentration of the hydrolyzed compound is initially above a critical level of supersaturation, and thereafter, is maintained in a range from above an upper limit of solubility to the critical level of super- saturation. According to the above process, the metal oxide can be obtained in the form of a powder material with a uniform particle size distribution.

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