Method for producing high grade of diesel oil by charking full distillate oil
A technology of coking whole distillate oil and coking heavy distillation, which is applied in the processing field of coking whole distillate oil, can solve the problems of affecting the stable operation of production equipment, affecting the yield of diesel oil, and being easy to coke, so as to achieve stable operation and reduce gas production. efficiency and reduce energy consumption
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[0028] Examples 1-4 and Comparative Example 1
[0029] The flow chart of Examples 1 to 4 is shown in Figure 1. The comparative example is that the coking gasoline and diesel raw materials are directly fed into the hydrorefining reaction zone without fractionation. The hydrorefining catalyst is filled with a hydrogenation protective agent, and its filling volume is hydrorefining. 20% of the catalyst volume, the follow-up process is the same as in Figure 1.
[0030] The hydrorefining catalyst used in each embodiment and comparative example is FH-98 (FH-98 is the catalyst brand) produced by Wenzhou Catalyst Factory, and the hydrotreating pretreatment catalyst is 3996 (3996 is the catalyst produced by Fushun Petrochemical Company Catalyst Factory). The hydrogenation protective agent is FZC-102 (FZC-102 is the catalyst grade) produced by the pilot plant of Fushun Petrochemical Research Institute. The hydrogenation protective agent is filled before the hydrogenation pretreatment catalys...
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