Method of and apparatus for processing heavy hydrocarbons
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United States of America Patent
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Jul 6, 1999
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N/A
app pub date -
May 23, 1997
filing date -
May 23, 1997
priority date (Note) -
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Abstract
A fractioning solvent deasphalting plant applies a solvent whose critical temperature is T.sub.c to a hydrocarbon feed containing asphaltenes and atmospheric distillate having fractions that boil above about T.sub.c -50.degree. F. such that said feed is separated into a substantially solvent-free product stream of atmospheric distillate, a substantially solvent-free product stream containing deasphalted oil substantially free of said atmospheric distillate, and a substantially solvent-free product stream containing asphaltenes substantially free of said atmospheric distillate.
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