Hydrogenation catalyst aid for residual oil suspended bed and its use
A technology of suspended bed and residual oil, which is applied in the petroleum industry, processing hydrocarbon oil, refining hydrocarbon oil, etc., can solve the problems affecting the industrialization process of the process, the coking of the reactor, and the coking of the residual oil.
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[0018] Density (20C) / g·cm -3
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[0025] It can be seen from the above examples that under the same conditions, after applying the catalyst promoter provided by the present invention, the amount of coking on the reactor is significantly reduced, and the greater the amount of additives added, the higher the reduction rate of the coking amount of the reactor . This is because the present invention is developed for the residual oil suspension bed hydrogenation process. Under the various effects of the catalyst promoter components, a protective film can be formed on the surface of the reactor to reduce the coking of the reactor at high temperature. It helps to improve the coke suppression effect of hydrogenation of the catalyst, and reduces the coking and fouling phenomenon of residual oil and reaction products in heating furnace tubes, reaction tubes, and fractionation.
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