A kind of production method of hydrogenated low-condensation diesel oil
A production method and diesel technology, which are used in hydrotreating process, petroleum industry, treatment of hydrocarbon oil, etc., can solve the problems of cycle limitation, limitation of diesel fraction yield and pour point depressant effect, and large temperature drop, so as to achieve the adaptability of raw materials. Strong, significant desulfurization effect, cetane number improvement effect
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[0040] use figure 1 The process flow shown is to produce low-condensation-point diesel oil 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 the modified depreciating catalyst, the mixing volume ratio of the hydrogenation-modifying catalyst and the hydrodecondensing catalyst is 1:4. The hydrogenation modification catalyst used in Example 1 is FC-18 catalyst, the hydrogenation modification isomerization depreciation catalyst is FC-14 catalyst, and the hydrodegradation catalyst is FDW-3 catalyst, and the catalysts are Fushun Petroleum A commercial catalyst developed and produced by the Chemical Research Institute.
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