A kind of production method of low-condensation high-quality diesel oil
A production method, diesel technology, applied in the petroleum industry, hydrocarbon oil treatment, hydrotreating process, etc., can solve the problems of cycle limitation, large temperature drop, high reaction temperature at bed outlet, etc., to reduce the overall temperature gradient and ensure quality and yield, and the effect of extending the service life
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[0037] use figure 1 The process flow shown is to produce high-quality diesel oil with low freezing point by using gradation series and mixed packing process. Example 1 includes two hydrogenation reaction zones connected in series, and in each reaction zone's composite bed of modified depreciating catalyst, the mixing volume ratio of hydrofinishing catalyst and hydrodecondensing catalyst is 1:4. The hydrorefining catalyst used in Example 1 is FH-98 catalyst, the hydrogenation modified isomerization depreciation catalyst is FC-14 catalyst, and the hydrodepreciation catalyst is FDW-3 catalyst. The catalysts are Fushun Petrochemical Co., Ltd. A commercial catalyst developed and produced by the research institute.
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