High aromatic hydrocarbon oil as well as preparation method and application thereof
A technology of high aromatics and oil materials, which is applied in the treatment of hydrocarbon oils, only multi-stage series refining and cracking process treatment, petroleum industry, etc., can solve the problems of high equipment investment and operating costs, reduce production rate, increase aromatics content, The effect of increasing economic benefits
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Embodiment 1
[0076] Such as figure 1 As shown, FCC feed oil and catalytic cracking / cracking catalyst are subjected to catalytic cracking / cracking reaction in riser reactor 7 to form reaction oil gas. The operating conditions of the catalytic cracking / cracking reaction are shown in Table 2 below.
[0077] Such as figure 1 As shown, the reaction oil gas from the reaction unit is fed below the washing and desuperheating section of the catalytic cracking / cracking fractionator 2, and the reaction oil gas and the FCC feed oil are fully contacted in the washing and desuperheating section 13 to elute the reaction oil gas Catalyst powder contained in. The operating conditions of the fractionation tower are shown in Table 2 below.
[0078] In the fractionation tower, high-aromatic oil, heavy diesel oil (as required) and light diesel oil are extracted sequentially from bottom to top, and gasoline, liquefied gas and dry gas are separated after passing through a subsequent gas-liquid separator and...
Embodiment 2-4
[0080] According to the conditions described in Table 2, the steps similar to those described in Example 1 were used to prepare high aromatics oil. The product distribution of Examples 2-4 can be seen in Table 2 below. Moreover, the properties of the high aromatics oil produced in Examples 2-4 are shown in Table 2 below.
[0081] Table 2
[0082]
[0083]
Embodiment 5
[0094] According to the conditions described in Table 4, the steps similar to those described in Example 1 were used to prepare high aromatics oil. The product distribution of Example 5 can be seen in Table 4 below. Moreover, the properties of the high aromatics oil produced in Example 5 are shown in Table 4 below.
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