Combination method of hydro-upgrading and hydro-refining of low-quality diesel oil
A technology of hydro-upgrading and combination method, which is applied in hydrotreating process, treatment of hydrocarbon oil, petroleum industry, etc., can solve problems such as effective control of unfavorable production of high-quality gasoline, poor product flexibility, inability to effectively control the depth of LCO hydrogenation, etc. , to achieve the effect of flexible production methods
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[0048] Protective agents FZC-100, FZC-105 and FZC106 are hydrogenation protective agents developed and produced by Fushun Petrochemical Research Institute of China Petrochemical Corporation; catalyst FHUDS-5 is developed and produced by Fushun Petrochemical Research Institute of Sinopec Corp. Hydrotreating catalyst; Catalyst FHUDS-6 is a hydrotreating catalyst developed and produced by Fushun Petrochemical Research Institute of China Petroleum & Chemical Corporation; Catalyst, containing Y-type molecular sieve.
[0049] Table 1 Main properties of diesel fuel oil
[0050] Catalytic Diesel mixed diesel Density, g / cm 3
0.962 0.915 Fraction range, °C 165~375 150~400 Sulfur content, wt% 1.0 2.2 Nitrogen content, µg / g 950 460 cetane number 22 44 Aromatic content, wt% 92.5 74.6
[0051] Table 2 Process conditions
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[0053] Continued Table 2 Process Conditions
[0054]
[0055] Among them, the cutting tem...
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