Method for hydrogenating naphthenic base distillate to produce lubricating oil basic oil
A technology for naphthenic distillate oil and lubricating oil base oil, applied in lubricating composition, hydrotreating process, petroleum industry, etc., can solve problems such as improvement, no freezing point, etc., achieve more secondary pores and prolong service life , the effect of reducing energy consumption
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[0033] Embodiment 1 In the upper part of the first reactor, the hydroprocessing catalyst FF-26 is filled, and the lower part is filled with the hydroprocessing catalyst FC-14. The FC-14 catalyst loading is 10% of the total hydroprocessing catalyst volume. The second reaction The first reactor is filled with hydrodecondensation catalyst FDW-3, and the third reactor is filled with supplementary refining catalyst FV-10. The catalyst loaded in Example 2 is the same as that in Example 1, except that the loaded amount of FC-14 catalyst is 20% of the volume of the total hydrotreating catalyst. The specific process conditions and product properties of Examples 1-2 are shown in Table 3.
[0034] The physicochemical property of table 2 catalyst
[0035]
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