Process for the production of a precipitated silica slurry...

Details Process for the production of a precipitated silica slurry... Process for the production of a precipitated silica slurry...

C - Chemistry, Metallurgy

01

B

C01B 33/18 (2006.01) B01J 19/00 (2006.01) B01J 19/18 (2006.01) C01B 33/193 (2006.01)

Patent

CA 2292819

A continuous process for producing a precipitated silica slurry is described. In the process, an aqueous metal silicate compound, an acid and an electrolyte are continuously fed to a mixing zone produce a reaction mixture. The reaction mixture is maintained at a temperature of less than about 100°C in a quiescent zone. The reaction mixture is continuously removed from the quiescent zone. The precipitated silica slurry produced in accordance with the present process has a relatively narrow particle size distribution and may be dispersed more easily than currently available silica materials.

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