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U.S. Department of Energy
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Start-up of a hydrorefining process

Patent ·
OSTI ID:5144480
This paper describes improvement in a hydrorefining process which comprises contacting hydrocarbonaceous oil feed and hydrogen with a catalyst comprising a hydrogenation component selected from the group consisting of Group VIB metal component, Group VIII non-noble metal component and mixtures thereof, and an alumina-containing support, at hydrorefining condition. The improvement comprises: heating the catalyst at initial start-up from a temperature below about 450{degrees}F to hydrorefining temperature at an average rate of less than 10{degrees}F per hour in the presence of hydrogen and the oil feed.
Assignee:
Shell Oil Co., Houston, TX (USA)
Patent Number(s):
A; US 5006224
Application Number:
PPN: US 7-361197
OSTI ID:
5144480
Country of Publication:
United States
Language:
English