Coking of gas oil from slurry hydrocracking
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United States of America Patent
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Aug 18, 2015
Grant Date -
May 20, 2010
app pub date -
Nov 15, 2008
filing date -
Nov 15, 2008
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Abstract
Integrated slurry hydrocracking (SHC) and coking methods for making slurry hydrocracking (SHC) distillates are disclosed. Representative methods involve passing a slurry comprising a vacuum column resid, a liquid coker product, and a solid particulate through an SHC reaction zone in the presence of hydrogen to obtain the SHC distillate. Atmospheric distillation in the SHC product recovery section yields a combined SHC gas oil/SHC pitch stream that is sent to coking to generate the liquid coker product. In a representative embodiment, vacuum distillation in the SHC product recovery is avoided, thereby eliminating equipment that is often most susceptible to fouling.
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