Wax oil hydrotreating method
A treatment method, the technology of hydrogenation of wax oil, is applied in the fields of hydrogenation treatment process, hydrocarbon oil treatment, petroleum industry, etc., and can solve the problems of reduced reaction speed of raw materials, deactivation of catalytic cracking catalyst, and hindrance of other hydrocarbon adsorption, etc., to achieve The effect of reducing hydrogen consumption, increasing conversion rate and light oil yield, and improving reaction effect
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Embodiment 1
[0028] A kind of inferior CGO is used as raw material oil, represented by raw material oil A. The properties of the raw material are shown in Table 1. From Table 1, it can be known that the sulfur content of raw material oil A is 9900 μg / g, the nitrogen content is as high as 6700 μg / g, and the asphaltene content is as high as 6700 μg / g. The content is 0.2% by weight, and the raw material is a low-quality catalytic cracking raw material with high nitrogen and low sulfur content. The raw material A enters the hydrogenation reactor together with the hydrogen, and reacts with the hydrogenation protection agent, the hydrofinishing catalyst I and the hydrofinishing catalyst II successively, and the effluent after the reaction is cooled and separated, the hydrogen-rich gas is recycled, and the liquid product enters the The fractionation system is separated into naphtha fraction, diesel fraction and refined wax oil fraction. Based on the overall catalyst volume, the loading volume per...
Embodiment 2
[0030] A kind of inferior VGO is used as raw material oil, represented by raw material oil B. The raw material properties are shown in Table 1. From Table 1, it can be seen that the sulfur content of raw material oil A is 27000 μg / g, and the nitrogen content is as high as 1700 μg / g. The raw material is A high-sulfur and low-nitrogen catalytic cracking feedstock. The raw material B enters the hydrogenation reactor together with the hydrogen, and reacts with the hydrogenation protection agent, the hydrofinishing catalyst I and the hydrofinishing catalyst II successively, and the effluent after the reaction is cooled and separated, the hydrogen-rich gas is recycled, and the liquid product enters the The fractionation system is separated into naphtha fraction, diesel fraction and refined wax oil fraction. Based on the overall catalyst volume, the loading volume percentage of the hydrogenation protecting agent is 10%, the loading volume percentage of the hydrofining catalyst I is 4...
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