Residual oil hydrodemetallization method
A technology of hydrodemetallization and residual oil hydrogenation, which is applied in the fields of hydroprocessing, petroleum industry, and hydrocarbon oil treatment, and can solve the problems of complex process, difficult industrialization, and high viscosity
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Embodiment 1
[0055] The method of this example is basically the same as that of Comparative Example 1, except that ethylene tar A is used to replace part of the residue raw material A (see Table 3) and part of the hydrogenation protecting agent is used to replace part of the hydrodemetallization catalyst (see Table 2). . Among them, the process conditions are shown in Table 3, and the fixed-bed hydrogenation results are shown in Table 4. At different operating times, the viscosity of hydrogenation effluent, the removal rate of metal Ni and V, and the removal rate of sulfur are shown in Figure 1-3 .
Embodiment 2
[0057] This example is basically the same as Example 1, except that the feedstock of this example uses residual oil raw material B, ethylene tar B, heavy cycle oil and different catalyst gradation methods. The process conditions are shown in Table 3, and the catalyst gradation is shown in Table 3. Table 2, the fixed bed hydrogenation results are shown in Table 4.
Embodiment 3
[0059]This example is basically the same as Example 1, the difference is that the feedstock of this example uses residual oil raw material A and ethylene tar B and different catalyst gradation methods, the process conditions are shown in Table 3, and the catalyst gradation is shown in Table 2. The bed hydrogenation results are shown in Table 4.
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