FIELD: petroleum processing catalysts. SUBSTANCE: catalyst contains 10.0-20.0% molybdenum oxide or tungsten oxide, 2.0-6.0% cobalt oxide or nickel oxide, and carrier. Carrier consists of oxide mixture: aluminum, boron, titanium (or zirconium), and manganese at weight ratio 1:(0.005- 0.053): (0.002-0.042): (0.0004-0.0016). Carrier may as well contain 1 to 10% silicon oxide. EFFECT: enhanced activity. 4 cl, 1 tbl, 18 ex
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Authors
Dates
2000-09-10—Published
1998-10-26—Filed