A method for hydrotreating diesel oil
A technology for hydrotreating and diesel oil, applied in hydrotreating process, treating hydrocarbon oil, chemical instruments and methods, etc., can solve the problem of poor selectivity of monocyclic aromatic hydrocarbons, and achieve the improvement of activity and stability, high activity, prevention of Aggregate effect
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Embodiment 1
[0080] use figure 1 The process shown is for diesel feedstock D. Diesel feedstock oil D enters the hydrogenation reactor from the feedstock oil inlet, and hydrogen enters the hydrogenation reactor from the hydrogen inlet. The first reaction zone and the second reaction zone are arranged in the hydrogenation reactor from top to bottom. In the first reaction zone Fill the hydrofinishing catalyst A, fill the hydrofinishing catalyst B in the second reaction zone, the reaction effluent I is discharged from the top of the hydrogenation reactor, the reaction effluent II is discharged from the bottom of the hydrogenation reactor, the reaction effluent I and the reaction After the effluent II is combined, it is separated to obtain the hydrogenated oil. The hydrogenation reaction conditions and product properties are shown in Table 2. It can be seen from Table 2 that the saturation rate of polycyclic aromatic hydrocarbons in the hydrogenated oil is 85.1%, and the selectivity of single-...
Embodiment 2
[0082] use figure 1 The process shown is for the treatment of diesel feed oil E. Diesel feedstock oil E enters the hydrogenation reactor from the feedstock oil inlet, and hydrogen enters the hydrogenation reactor from the hydrogen inlet. The first reaction zone and the second reaction zone are arranged in the hydrogenation reactor from top to bottom. In the first reaction zone Fill the hydrofinishing catalyst A, fill the hydrofinishing catalyst C in the second reaction zone, the reaction effluent I is discharged from the top of the hydrogenation reactor, the reaction effluent II is discharged from the bottom of the hydrogenation reactor, the reaction effluent I and the reaction After the effluent II is combined, it is separated to obtain the hydrogenated oil. The hydrogenation reaction conditions and product properties are shown in Table 2. It can be seen from Table 2 that the saturation rate of polycyclic aromatic hydrocarbons in the hydrogenated oil is 85.4%, and the select...
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