Antifoam to achieve high conversion in hydroconversion of heavy oils
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United States of America Patent
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Nov 13, 1990
Grant Date -
N/A
app pub date -
Apr 17, 1989
filing date -
Apr 15, 1988
priority date (Note) -
Expired
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Abstract
A process for the conversion of a heavy hydrocarbon oil in the presence of hydrogen and a catalyst or additive is described. It is shown that conversion can be increased by injecting an anti-foaming agent or a solution of anti-foaming agent in light oil into the reactor. Significantly better results are obtained when the anti-foam or the solution of anti-foam is injected directly into the top section of the reactor.
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