Process for the conversion of heavy charges such as heavy crude oils and distillation residues
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United States of America Patent
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Apr 6, 2010
Grant Date -
Jul 20, 2006
app pub date -
Dec 20, 2005
filing date -
Dec 22, 2004
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Abstract
S, passing both the stream containing the reaction product with dispersed catalyst from the hydroprocessing section and the stream containing the reaction product with dispersed catalyst from the second hydroprocessing section, to one or more distillation or flash stages, whereby the more volatile fractions are separated from the distillation residue (tar) or from the liquid discharged from the flash unit, sending the distillation residue (tar) or the liquid discharged from the flash unit, containing the catalyst in the dispersed phase, with a high content of metal sulphides, produced by demetallization of the charge, to a second deasphalting section thereby obtaining deasphalted oil and asphaltenes.
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