Oil stabilization
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United States of America Patent
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-
Oct 22, 1991
Grant Date -
N/A
app pub date -
Jun 16, 1989
filing date -
Jun 16, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method for stabilizing oil is provided. An oil fraction having hydrocarbons with an initial boiling point of about 200.degree. F. to about 1050.degree. F. is hydrotreated to reduce the nitrogen content of the oil fraction to be stabilized. Subsequently, condensed aromatic compounds are selectively extracted from the hydrotreated oil fraction to yield a stable oil fraction.
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