PURPOSE: To obtain a catalyst for hydrotreating hydrocarbon oil which is easy in activation treatment by carrying the water-soluble compds. of groups VI and VIII metals in the periodic table, phosphoric acid and thio-acid on an inorganic oxide carrier.
CONSTITUTION: The water-soluble compds. of both group VI metals such as molybdenum and tungsten in the periodic table and group VIII metals such as cobalt and nickel, phosphoric acid and thio-acid such as thioacetic acid are carried on an inorganic oxide carrier such as alumina and silica. Thereby thio-acid forms a soluble coordination compd. together with metals and metallic sulfide is carried in a high dispersion state on the inorganic carrier. Therefore the catalyst for hydrotreating hydrocarbon oil which has excellent performance is obtained with a simplified operation.
SAKAI SHIGERU
KAWAGUCHI TOMIO
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