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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Embodiment 1-4 and comparative example 1
[0029] The flow chart of Examples 1 to 4 is shown in Fig. 1. In the comparative example, the coking gasoline and diesel raw materials are directly entered into the hydrofinishing reaction zone without fractionation, and the hydrofinishing catalyst is filled with a hydrogenation protecting agent, and its loading volume is 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 hydrogenation pretreatment catalyst is 3996 (3996 is catalyst brand) produced by Fushun Petrochemical Company Catalyst Factory. brand), the hydrogenation protection agent is FZC-102 (FZC-102 is the catalyst brand) produced by the pilot test base of Fushun Petrochemical Research Institute, wherein the hydrogenation protection agent is loaded before the hydrogenation pretreatment catalyst, and its filling volume is hydro...
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