Method for producing clean fuel oil from ethylene tar
A technology of ethylene tar and fuel oil, applied in the field of combined process of delayed coking and hydrogenation, which can solve the problem of poor quality of liquid products - coker gasoline, diesel oil and wax oil, low yield of liquid and light fuel oil products , Ethylene tar fraction has not been effectively dealt with and other problems, to achieve the effect of expanding raw material sources, improving utilization rate, and improving economic benefits
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[0042] Examples 1~3
[0043] use figure 1 Process. The ethylene tar was distilled into light fraction and heavy fraction, with 420°C and 480°C as the cutting points, respectively. After distillation, light and heavy fractions were obtained. The properties are listed in Table 1, and the properties of vacuum residue are listed in Table 2. The obtained heavy fraction of ethylene tar is mixed with vacuum residue, the mixed raw materials and their delayed coking process conditions, and the properties of the obtained gasoline and diesel fractions are shown in Table 3. The process conditions of coking gasoline hydrogenation pre-refining and hydrorefining are shown in Table 4. In the embodiment, the coking diesel oil fraction is mixed with the ethylene tar light fraction, and the light fuel oil is obtained by hydroprocessing. See Table 5 for the hydrotreating process conditions. In the embodiment, the hydrotreating reactor adopts two reactors in series, one reactor is filled with hydr...
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