Multistage resid hydrocracking
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United States of America Patent
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Jan 23, 2018
Grant Date -
Nov 24, 2016
app pub date -
Aug 5, 2016
filing date -
Jun 23, 2009
priority date (Note) -
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Abstract
Processes for upgrading resid hydrocarbon feeds are disclosed. The upgrading processes may include: hydrocracking a resid in a first reaction stage to form a first stage effluent; hydrocracking a deasphalted oil fraction in a second reaction stage to form a second stage effluent; fractionating the first stage effluent and the second stage effluent to recover at least one distillate hydrocarbon fraction and a resid hydrocarbon fraction; feeding the resid hydrocarbon fraction to a solvent deasphalting unit to provide an asphaltene fraction and the deasphalted oil fraction.
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