A two-stage hydrogenation treatment method for inferior raw materials
A technology for hydroprocessing and low-quality feedstock oil, which is applied in the fields of hydroprocessing process, hydrocarbon oil treatment, hydrocarbon oil treatment products, etc. It can solve the problems of low overall catalyst activity, high reaction pressure, high reaction temperature, etc. The effect of hydrogen refining effluent quality, reducing hydrogen sulfide and ammonia content, and reducing reaction temperature
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Embodiment 1
[0039] use figure 1 In the process flow shown, both the first-stage reaction zone and the second-stage reaction zone are filled with the hydrotreating catalyst B. In the second stage of the reaction zone, the upper part is a gas-liquid co-current process, and the lower part is a gas-liquid counter-current process. The catalyst loading volume ratio of the co-current reaction zone and the counter-current reaction zone is 1:1.
Embodiment 2
[0041] The basic process is the same as in Example 1. Only the catalyst A is loaded in the first stage reaction zone, and the catalyst B is loaded in the second stage reaction zone. In the second stage of the reaction zone, the catalyst loading volume ratio of the gas-liquid co-current and gas-liquid countercurrent reaction zones is 1:1.
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