Upgrading heavy oil
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United States of America Patent
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-
Oct 8, 1991
Grant Date -
N/A
app pub date -
Jun 13, 1989
filing date -
Jun 13, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Heavy crude oils are upgraded thermally in the presence of water and a polyhydroxy metal bentonite in an autoclave, particularly at a temperature of about 200.degree. to about 300.degree. C.
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