Two-stage heavy feed hpc process
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United States of America Patent
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Jan 13, 2009
Grant Date -
Oct 21, 2004
app pub date -
Jun 10, 2002
filing date -
Jun 8, 2001
priority date (Note) -
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Abstract
The present invention pertains to a method for hydroprocessing a heavy hydrocarbon oil, comprising bringing a heavy hydrocarbon oil into contact with hydroprocessing catalyst I in the presence of hydrogen in a first stage, after which the effluent of the first stage is contacted in whole or in part with hydroprocessing catalyst II in the presence of hydrogen in a second stage. The method according to the invention combines efficient contaminant removal with high cracking rate and low sediment formation. The invention also pertains to the combination of catalysts.
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