Diesel oil deep-hydro-desulfurizing-dearomatizing method
A technology of deep hydrogenation and diesel oil, which is applied in refining to remove heteroatoms, etc., can solve the problems of unsuitable refining equipment, complex equipment structure, and difficulty in production and maintenance operation control.
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[0011] Examples 1 to 5 and Comparative Examples 1 to 3
[0012] This test mainly investigates the hydrogenation effect and stability of the hydrogenation process of the present invention and the existing countercurrent hydrogenation process. Take diesel desulfurization and dearomatization as an example. The physical and chemical properties of the catalyst used in this test are shown in Table-1, and the properties of the feedstock oil are shown in Table-2. In this experiment, the hydrogenation reaction was carried out on a continuous test device. The operating conditions are hydrogen oil (feeding) volume ratio: 300, reaction pressure: 6.0MPa, feed oil inlet temperature: 360°C, feed space velocity: 1.5h -1 . The catalyst in the embodiment is: non-noble metal catalyst (A): noble metal catalyst (B) (V:V)=55:45, and the non-noble metal catalyst (A) is packed on the upper layer of the noble metal catalyst (B). Examples are shown in Table-3, and comparative examples are s...
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