Method for processing ethylene tar
A technology of ethylene tar and processing method, which is applied in tar processing, petroleum industry, etc., can solve the problems that the ethylene tar fraction cannot be processed and has not been effectively processed, so as to achieve safe and stable operation, increase saturation rate, and increase added value Effect
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Embodiment 1
[0040] The properties of the light and heavy fractions of ethylene tar used are shown in Table 2 and Table 5. The embodiment adopts a serial flow process and two reactors, the first reactor is equipped with hydrogenation protection agent FZC-103 and hydrofining catalyst 3936, and the second reactor is equipped with hydrogenation carbon removal catalyst HDC-1 The first hydrocracking catalyst loaded in the middle is a hydrocracking catalyst containing amorphous silica-alumina and Y molecular sieve, and the second hydrocracking catalyst loaded in the lower part is a hydrocracking catalyst containing amorphous silica-alumina and β molecular sieve. In Example 1, the volume ratio of FZC-103: 3936: HDC-1: the first hydrocracking catalyst: the second hydrocracking catalyst is as follows: 12: 13: 13: 31: 31, the operating conditions and reaction results are shown in the table 3.
Embodiment 2
[0042] Compared with Example 1, the used FZC-103: 3936: HDC-1: the first hydrocracking catalyst: the volume ratio of the second hydrocracking catalyst becomes: 8: 15: 20: 30: 27, operating conditions and The reaction results are shown in Table 3. Among them, FC-18 is produced by the No. 3 Petroleum Plant of PetroChina Fushun Petrochemical Company.
Embodiment 3
[0044] Compared with Example 1, the used FZC-103: 3936: HDC-1: the first hydrocracking catalyst: the volume ratio of the second hydrocracking catalyst becomes: 8: 15: 10: 42: 25, operating conditions and The reaction results are shown in Table 3.
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