Two-stage hydrorefining process

Details Two-stage hydrorefining process Two-stage hydrorefining process

1982-02-05

1983-07-12

Gantz, Delbert E.

Mineral oils: processes and products

Refining

Sulfur removal

208217, C10G 4506, C10G 4508

Patent

active

043929451

ABSTRACT:
A heavy hydrocarbonaceous oil containing certain types of organic sulfur compounds, such as, dibenzothiophenes, is hydrorefined in two stages with interstage removal of hydrogen sulfide and ammonia. A nickel-containing hydrorefining catalyst is used in the first hydrorefining stage and a cobalt-containing hydrorefining catalyst is used in the second hydrorefining stage.

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patent: 3968027 (1976-07-01), Frayer et al.
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