Process for the hydroprocessing of heavy hydrocarbon feeds using at least two reactors
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United States of America Patent
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Issued Date -
Mar 23, 2006
app pub date -
Jun 5, 2003
filing date -
Jun 11, 2002
priority date (Note) -
Abandoned
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Abstract
The invention pertains to a process for hydroprocessing a heavy hydrocarbon feed using at least two reactors in which a heavy hydrocarbon feed is subjected sequentially to the steps of hydroprocessing in a first hydroprocessing reactor, in which it is subjected sequentially to a hydrodemetallization step, a hydrodesulfurization step carried out at a temperature higher than that of said hydrodemetallization step, and an asphaltene removal step carried out at a temperature higher than that of said hydrodesulfurization step, hydroprocessing in a second hydroprocessing reactor, in which it is subjected sequentially to a hydrodesulfurization step and an asphaltene removal step, which latter is carried out at a temperature higher than that of said hydrodesulfurization step.
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