| 摘要 |
A hydrotreating catalyst for heavy hydrocarbon oil, which comprises a boron-containing alumina carrier containing from 1 to 12 wt %, in terms of an oxide, of boron based on the catalyst, having supported thereon a metal in the Group VI, wherein the catalyst has an average pore size of from 19 to 25 nm, a pore volume of from 0.65 to 0.8 ml/g, a catalyst strength of 3 lb/mm or more, and a specific surface area of from 70 to 130 m2/g; a process for producing the hydrotreating catalyst; and a method for hydrotreating heavy hydrocarbon oil, which comprises conducting a catalytic reaction of heavy hydrocarbon oil in the presence of the catalyst composition at a temperature of from 300 to 500° C., a pressure of from 3 to 20 MPa, a hydrogen/oil ratio of from 400 to 3000 Nl/l, and LHSV of from 0.1 to 1.5 hr-1.
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