Catalyst composition and method for producing high-viscosity lubricating oil base oil from propane deasphalted oil
A technology for lubricating base oil and deasphalted oil, which is applied in the directions of lubricating compositions, chemical instruments and methods, physical/chemical process catalysts, etc., to achieve the effects of improving yield, reducing yield and excellent product properties
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Embodiment 1
[0026]Embodiment 1: Catalyst composition, comprise hydrogenation pretreatment catalyst, hydroisomerization catalyst and supplementary refining catalyst; Hydrogenation pretreatment catalyst is supported by heat-resistant inorganic oxide and nickel, molybdenum, cobalt supported on the carrier and one or more metals in tungsten, and one or more additives selected from fluorine, phosphorus, silicon and boron; the hydrogenation isomerization catalyst is an aluminum silicate molecular sieve catalyst loaded with precious metals, and the hydrogenation isomerization The microporous carbon deposition amount of the catalyst is 0.3wt% to 8wt%; the supplementary refined catalyst is supported by a heat-resistant inorganic oxide and one or more precious metals in platinum, palladium and iridium loaded on the support, and selected It is composed of one or more additives of nickel, molybdenum, cobalt and tungsten.
Embodiment 2
[0027] Embodiment 2: As an optimization of the above examples, the micropore carbon deposit of the hydroisomerization catalyst is 0.6% to 3wt%, and the micropore volume of the hydroisomerization catalyst is 0.01ml / g to 0.04ml / g, The acid amount of the hydroisomerization catalyst is 1.2mmol (NH 3 ) / g to 2.8mmol(NH 3 ) / g, the specific surface area of the hydroisomerization catalyst is 80m 2 / g to 260m 2 / g, the total pore volume of the hydroisomerization catalyst is 0.1ml / g to 0.6ml / g.
Embodiment 3
[0028] Embodiment 3: As the optimization of the above examples, the noble metal loaded in the hydroisomerization catalyst is one or more of platinum, palladium and iridium, and the loading amount of the noble metal is 0.3wt% to 0.8wt%; hydrogenation The aluminum silicate molecular sieve contained in the heterogeneous catalyst is an aluminum silicate molecular sieve with a ten-membered ring structure or an aluminum silicate molecular sieve with a twelve-membered ring structure, and the aluminum silicate molecular sieve with a ten-membered ring structure is ZSM-22 molecular sieve, ZSM One or more of -23 molecular sieve, ZSM-3 molecular sieve5, ZSM-11 molecular sieve and MCM-22 molecular sieve, and the aluminum silicate molecular sieve with twelve-membered ring structure is one of ZSM-12 molecular sieve and Y molecular sieve or several.
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Abstract
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