Production of shaped silica-rich bodies

Details Production of shaped silica-rich bodies Production of shaped silica-rich bodies

B - Operations, Transporting

01

J

B01J 37/00 (2006.01) B01J 21/08 (2006.01)

Patent

CA 2715356

In a method of forming a shaped body, a mixture is formed comprising a particulate silica-rich material, water and a potassium base or basic salt, wherein the total solids content of the mixture is from about 20 to about 90 weight percent. The mixture is extruded into extrudates and the extrudates are dried and heated to a temperature of from about 3000°C to about 8000°C to form the shaped body.

Dans un procédé de formation d'un corps façonné, un mélange est formé comprenant une matière particulaire riche en silice, de l'eau et une base ou un sel basique de potassium, la teneur totale en matières solides du mélange étant d'environ 20 à environ 90 pour cent en poids. Le mélange est extrudé en extrudats et les extrudats sont séchés et chauffés à une température d'environ 3 000 °C à environ 8 000 °C afin de former le corps façonné.

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