Method for producing lube base oil
A lubricating oil base oil and production method technology, which is applied in the petroleum industry, hydrocarbon oil treatment, hydrotreating process, etc., can solve the problems of low yield of lubricating oil base oil, and achieve high yield and clear and transparent appearance
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Problems solved by technology
Method used
Examples
Embodiment 1
[0028] The raw material adopts the mixed oil of Fischer-Tropsch synthetic wax and hydrocracking tail oil with a weight ratio of 1:1. The properties of Fischer-Tropsch synthetic wax are shown in Table 1, and the properties of hydrocracking tail oil are shown in Table 2. The properties of mixed oil See Table 3.
[0029] Table 1
[0030] project
F-T synthetic wax
Freezing point (℃)
92 (melting point)
Sulfur content (μg / g)
＜5
Nitrogen content (μg / g)
13
Oxygen content (μg / g)
5000
Distillation range (℃)
initial boiling point
10%
30%
50%
70%
90%
95%
D-1160
128
384
455
492
529
582
618
[0031] Table 2
[0032] project
Hydrocracking tail oil
Kinematic viscosity (mm 2 / s), 100℃
4.958
Freezing point (℃)
39
Saturated hydrocarbon (weight%)
99.4
Aromatics (weight%)
0.6
S content (μg / g)
...
Embodiment 2
[0043] Lubricant base oil products are produced in the manner described in Example 1, the difference is that the weight ratio of Fischer-Tropsch synthetic wax to hydrocracking tail oil in the raw material is 0.2, the properties of the mixed oil are shown in Table 5, and first add The conditions of hydrofinishing reaction, hydroisomerization reaction and post-hydrofinishing reaction are different and are shown in Table 6.
[0044] The properties of the product obtained and the yield of the product are shown in Table 10.
[0045] table 5
[0046] project
mixed oil
Kinematic viscosity (mm 2 / s), 100℃
4.755
Freezing point (℃)
75
S content (μg / g)
＜5
N content (μg / g)
＜5
[0047] Table 6
[0048] Process conditions
Embodiment 3
[0050] Lubricant base oil products are produced in the manner described in Example 1, the difference is that the weight ratio of Fischer-Tropsch synthetic wax to hydrocracking tail oil in the raw material is 5, and the properties of the mixed oil are shown in Table 7, and firstly add The conditions of hydrofinishing reaction, hydroisomerization reaction and post-hydrofinishing reaction are different and are shown in Table 8.
[0051] The properties of the product obtained and the yield of the product are shown in Table 10.
[0052] Table 7
[0053] project
mixed oil
Kinematic viscosity (mm 2 / s), 100℃
3.056
Freezing point (℃)
87
[0054] project
mixed oil
S content (μg / g)
＜5
N content (μg / g)
＜5
[0055] Table 8
[0056] Process conditions
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