Process for the hydrotreatment of hydrocarbon oil employing catalysts based on alumina, silica or silica-alumina
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United States of America Patent
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Apr 22, 1986
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N/A
app pub date -
Jan 22, 1985
filing date -
Oct 21, 1982
priority date (Note) -
Expired
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Abstract
Supported catalysts which are made by shaping catalyst carrier, with or without catalyst precursors, into balls, calcining the balls at 300.degree.-1000.degree. C., and crushing the calcined balls to particles whose average size is 0.2-0.8 times the average diameter of the balls. When the precursors are not present during the manufacture, they are added thereafter.
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