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Fuel oils and lubricants using layered bed catalysts in hydroprocessing of waxy feedstocks including Fischer-Tropsch wax, and further solvent dewaxing
Fuel oils and lubricants using layered bed catalysts in hydroprocessing of waxy feedstocks including Fischer-Tropsch wax, and further solvent dewaxing
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机译:在费托蜡等蜡状原料的加氢处理中使用层状床催化剂的燃料油和润滑剂,以及进一步的溶剂脱蜡
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摘要
Waxy hydrocarbon feedstocks are contacted with a hydrocracking catalyst and the effluent then contacted with an intermediate pore size molecular sieve hydroisomerization catalyst. The effluent from the hydroisomerization is fractionated to provide a heavy fraction and a middle distillate fuel. At least a portion of the heavy fraction is dewaxed to provide a high quality lubricant base oil with a high viscosity index and a low pour point.
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