Hydrocarbon desulfurization catalyst and process

Details Hydrocarbon desulfurization catalyst and process Hydrocarbon desulfurization catalyst and process

B - Operations, Transporting

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196/136, 252/52.

B01J 23/00 (2006.01) B01J 23/88 (2006.01) B01J 27/19 (2006.01) B01J 35/10 (2006.01) B01J 37/00 (2006.01) C10G 45/04 (2006.01) C10G 45/08 (2006.01)

Patent

CA 1164436

ABSTRACT OF THE DISCLOSURE A method is provided for preparing a porous catalyst carrier having a pore volume of at least 0.5 cc/g, a content of micropores in which the pore diameter is between 80 and 150 A. which constitutes at least 70% of the pore volume and a content of macropores which constitutes less than 3% of the pore volume. In the method, a powdered solid comprised of predominantly alpha- alumina monohydrate and sized in the range below 500 microns is treated with a particular amount of a monobasic acid. The acid in the resulting mixture is then at least partially neutralized by admixing with a nitrogen base such as aqueous ammonia. The treated and neutralized feed is converted into a catalyst carrier by shaping as desired, drying, and calcining. Further aspects of the invention are a hydrodesulfurization catalyst prepared using the present carrier and a hydrodesulfurization process for metals- contaminated hydrocarbon feeds using the catalyst.

233225

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