Polycarboxylic acids as extrusion aids for silica- aluminas

Details Polycarboxylic acids as extrusion aids for silica- aluminas Polycarboxylic acids as extrusion aids for silica- aluminas

B - Operations, Transporting

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B01J 29/06 (2006.01) B01J 2/20 (2006.01) B01J 21/12 (2006.01) B01J 37/00 (2006.01) C10G 49/02 (2006.01)

Patent

CA 1092085

APPLICATION OF MONICA E. CHOCA AND GERALD R. FEISTEL FOR POLYCARBOXYLIC ACIDS AS EXTRUSION AIDS FOR SILICA-ALUMINAS ABSTRACT OF THE DISCLOSURE Silica-alumina powders can be extruded into catalyst supports having improved properties by the addition of up to 15% by weight of a polycarboxylic acid, containing 2-10 carbon atoms, based on the dry weight of the powder to the silica-alumina powders prior to extrusion. The addition of the polycarboxylic acid also increases the extrusion rate.

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