Hydrofinishing catalyst and method for producing base oil using same

A hydrofinishing catalyst comprising:

• an amorphous silica-alumina support;
• and
• a hydrogenated active metal supported on the support,
• wherein composition uniformity defined as the following Expression 1 satisfies Expression 2,
• UN
• =
• ∑
• i
• =
• 1
• i
• =
• M
• ⁢
• 
• C
• Al
• ⁡
• (
• i
• )
• -
• C
• Al
• ⁡
• (
• ave
• )
• 
• M
• ×
• C
• Al
• ⁡
• (
• ave
• )
• ×
• 1
• ⁢
• 0
• ⁢
• 0
• (
• Expression
• ⁢
• ⁢
• 1
• )
• in Expression 1, UN is composition uniformity, CAl is an Al composition having a total mass (wt %) of Al and Si as a denominator and a mass (wt %) of Al as a numerator, CAl(ave) is an average Al composition on a cross section of a support passing through the center of the support, CAl(i) is an Al composition at an i-th position of positions spaced apart from each other by a predetermined interval along a reference line and sequentially numbered, the reference line being a straight line passing through the center of the cross section of the support, and M is a total number of positions at which the Al composition is measured at the reference line, and is a natural number of 20 to 500,
• UN≤3.0, and (Expression 2)
• The catalyst satisfies the following Expression 4
• (Expression 4)
• Amount of Bronsted acid sites measured by adsorption of pyridine at 200° C.≥30 μmol/g.