Process for separating pitch from slurry hydrocracked vacuum gas oil
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United States of America Patent
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Sep 24, 2013
Grant Date -
Dec 30, 2010
app pub date -
Jun 25, 2009
filing date -
Jun 25, 2009
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Abstract
A process is disclosed for converting heavy hydrocarbon feed into lighter hydrocarbon products. The heavy hydrocarbon feed is slurried with a particulate solid material to form a heavy hydrocarbon slurry and hydrocracked in a slurry hydrocracking unit to produce vacuum gas oil (VGO) and pitch. A first vacuum column separates VGO from pitch, and a second vacuum column further separates VGO from pitch. As much as 15 wt-% of VGO can be recovered by the second vacuum column and recycled to the slurry hydrocracking unit. A pitch composition is obtained which can be made into particles and transported without sticking together.
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