Method for preparing a hydrodesulfurization catalyst

Details Method for preparing a hydrodesulfurization catalyst Method for preparing a hydrodesulfurization catalyst

1974-08-12

1978-09-12

Shine, W. J.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252466J, B01J 2104, B01J 2384, B01J 2388

Patent

active

041136616

ABSTRACT:
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.

REFERENCES:
patent: 2774744 (1956-12-01), Barrett et al.
patent: 2830960 (1958-04-01), Broomhead
patent: 2932620 (1960-04-01), VON Fuener et al.
patent: 3340180 (1967-09-01), Beuther et al.
patent: 3694351 (1972-09-01), White
patent: 3814683 (1974-06-01), Christman et al.
patent: 3825488 (1974-07-01), Gatsis

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