Process for the conversion of heavy feedstocks such as heavy crude oils and distillation residues
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United States of America Patent
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Feb 28, 2012
Grant Date -
Aug 10, 2006
app pub date -
Dec 12, 2003
filing date -
Dec 20, 2002
priority date (Note) -
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Abstract
A process for the conversion of heavy feedstocks using hydrotreatment, distillation or flash, and deasphalting that includes mixing a heavy feedstock with a hydrogenation catalyst and subjecting the thus-formed mixture to a hydrotreatment reactor for reaction with one or more of hydrogen and hydrogen sulfide to form a first product stream; subjecting the first product stream to a distillation or flash to form a plurality of distillate fractions; and recycling heavies from the distillation residue and/or tar by deasphalting in the presence of a solvent; where the hydrotreatment reaction product is pre-separated under high pressure to form light and heavy fractions and sending the heavy fraction to the distillation and/or flash.
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