Mineral oils: processes and products – Refining – Sulfur removal
Patent
1980-06-16
1982-07-27
Gantz, Delbert E.
Mineral oils: processes and products
Refining
Sulfur removal
252465, 423DIG13, 585906, C10G 4506
Patent
active
043416250
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.
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Buchanan, Jr. J. A.
Chevron Research Company
Gantz Delbert E.
Schmitkons G. E.
Uzzell A. H.
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