Method of preparing a catalyst for use in the hydrotreating of high boiling hydrocarbon feedstocks
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United States of America Patent
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May 14, 2002
Grant Date -
Jan 3, 2002
app pub date -
Nov 6, 1997
filing date -
Nov 6, 1997
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Abstract
A catalyst characterized by its ability to hydrotreat a charge hydrocarbon feed containing components boiling above 1000.degree. F., and sediment-formers, sulfur, metals, asphaltenes, carbon residue, and nitrogen is prepared by mulling a porous alumina support with a salt of a Group VIII metal oxide and with a salt of a Group VI-B metal oxide in the presence of an acid to provide a mixture, by extruding the mixture to form an extrudate, by drying the extrudate and by subjecting the dried extrudate to hydrothermal calcination to provide the catalyst.
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