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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[0035] Example 1
[0036] use figure 1 The shown process flow uses grading and mixing in series to produce low freezing point high-quality diesel. Example 1 includes two series-connected hydrogenation reaction zones, and the mixing volume ratio of the hydrotreating catalyst and the hydropour point depressurization catalyst in each reaction zone is 1:4. The hydrorefining catalyst used in Example 1 was a FH-98 catalyst, the hydrogenation-upgrading isomerized pour point depressant catalyst was an FC-14 catalyst, and the hydrogen-promoting catalyst was an FDW-3 catalyst, and the catalysts were all Fushun Petrochemical Co., Ltd. The commercial catalyst developed and produced by the research institute.
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