Hydrocarbon conversion process with catalytic materials of contr

Details Hydrocarbon conversion process with catalytic materials of contr Hydrocarbon conversion process with catalytic materials of contr

1989-01-10

1990-11-13

Myers, Helane E.

Mineral oils: processes and products

Refining

Sulfur removal

208216PP, 208217, 208254H, 208108, 208112, 502210, 502213, 502243, C10G 2300

Patent

active

049699890

ABSTRACT:
Catalytic materials are modified by adding one or more electropositive and/or electronegative elements thereto in amounts sufficient to adjust the resultant geometric mean electronegativity to a value within a desired or predetermined range. The invention is particularly suited to the preparation of hydrocarbon hydroprocessing catalysts, particularly with respect to hydrodesulfurization catalysts comprising a support material containing a porous refractory oxide. With such catalysts, not only is the geometric mean electronegativity adjusted to a desired value, but if the electropositive or electronegative element added to the catalyst has pore growth promotion properties, the average pore size of the resultant catalyst is increased while its surface area, and usually also its total pore volume, is decreased.

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