Process for modifying the pore volume distribution of...

Details Process for modifying the pore volume distribution of... Process for modifying the pore volume distribution of...

B - Operations, Transporting

01

J

252/39

B01J 21/04 (2006.01) B01J 35/10 (2006.01) B01J 37/00 (2006.01) C10G 45/08 (2006.01)

Patent

CA 1069873

ABSTRACT OF THE DISCLOSURE Modification of the pore volume distribution of an alumina base catalyst support is accomplished by treating an alumina precursor of chi-rho-eta structure with an aqueous ammonium carbonate or bicarbonate solution under pressure at about 100-160°C for 10-24 hours, followed by drying and thermal activation at a temperature of at least about 500°C. The resulting support will possess more than about 70% of its total pore volume in the 45-300 angstrom unit pore diameter range. This pore volume distribution renders it particularly suitable for use as a catalyst carrier for hydrodesulphurization purposes.

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