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U.S. Department of Energy
Office of Scientific and Technical Information

Two-stage hydrorefining process

Patent ·
OSTI ID:5736766
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.
Assignee:
Exxon Research and Engineering Co.
Patent Number(s):
US 4392945
OSTI ID:
5736766
Country of Publication:
United States
Language:
English

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