Method for producing high-quality diesel oil with low condensation point
A diesel and low-condensation technology, which is applied in the petroleum industry, hydrocarbon oil treatment, hydrotreating process, etc., can solve the problems of cycle limitation, large temperature drop, and high reaction temperature at the outlet of the bed, so as to reduce the overall temperature gradient and ensure quality and yield, the effect of lowering the hot spot temperature
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[0036] use figure 1 The process flow shown is to produce high-quality diesel oil with low freezing point by grading and mixing in series. 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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