Method for enhancing quality stability of hydrocracked product
A technology for hydrocracking and product quality, which is applied in chemical instruments and methods, hydrotreating processes, metal/metal oxide/metal hydroxide catalysts, etc., and can solve the problems of high bromine index and exceeding the standard of heavy naphtha. , to achieve the effect of reducing acidity and hydrogenation performance, extending operating cycle, improving and stabilizing product quality
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Embodiment 1
[0038] use figure 1 In the process flow shown, A and B are used for the treatment catalyst, C1 is used for the cracking catalyst, the conversion rate of the reaction mass is controlled to 75%, the operation time is 26 months, and the bromine index of heavy naphtha is sampled and analyzed.
Embodiment 2
[0042] use figure 1 In the process flow shown, A and B are used for the treatment catalyst, C2 is used for the cracking catalyst, the conversion rate of the reaction mass is controlled to 77%, the operation time is 29 months, and the bromine index of heavy naphtha is sampled and analyzed.
Embodiment 3
[0046] use figure 1 In the process flow shown, A and B are used for the treatment catalyst, C3 is used for the cracking catalyst, the conversion rate of the reaction mass is controlled to 76%, the operation time is 31 months, and the bromine index of heavy naphtha is sampled and analyzed.
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