Process for activating a hydrotreating catalyst
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United States of America Patent
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Jun 7, 2011
Grant Date -
Nov 29, 2007
app pub date -
Sep 30, 2004
filing date -
Oct 3, 2003
priority date (Note) -
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Abstract
The invention pertains to a process for activating an hydrotreating catalyst comprising a Group VIB metal oxide and a Group VIII metal oxide which process comprises contacting the catalyst with an acid and an organic additive which has a boiling point in the range of 80-500° C. and a solubility in water of at least 5 grams per liter (20° C., atmospheric pressure), optionally followed by drying under such conditions that at least 50% of the additive is maintained in the catalyst. The hydrotreating catalyst may be a fresh hydrotreating catalyst or a used hydrotreating catalyst which has been regenerated.
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