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US 5,180,485 AGranted
Separation of indole from hydrocarbons
AssigneePhillips Petroleum Company
InventorsFilippo Pennella, Fan-Nan Lin, Marvin M. Johnson
Life of this patent
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Abstract
Indole impurities are removed from hydrocarbon-containing fluids by means of a magnesia-containing sorbent material.
Claims14
A process for at least partially removing indole from a fluid comprising at least one hydrocarbon and indole which comprises the step of contacting said fluid with a sorbent composition comprising more than about 50 weight percent mangesia, at a temperature in the range of about 10.degree. C. to about 100.degree. C.
Dependencies are inferred from the claim text.