A kind of utilization method of catalytic oil slurry
A technology of catalytic oil slurry and curing agent, which is applied in the field of road asphalt production, can solve the problems of poor temperature sensitivity and anti-aging performance, and achieve the effects of increasing the flash point, improving the economic benefits of the enterprise, and improving the temperature sensitivity
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Embodiment 1
[0030] Heat the catalytic oil slurry to 190°C, add powdered condensed aluminum phosphate (aluminum tripolyphosphate, fineness 800 mesh) into the catalytic oil slurry, of which the catalytic oil slurry accounts for 98.7wt% of the total, and the condensed aluminum phosphate accounts for the total The amount of 1.3wt%, at 190 ℃, with ordinary stirring and mixing reaction for 240min, and then the modified catalytic oil slurry was obtained.
[0031] The above-mentioned modified catalytic oil slurry is added to the atmospheric residue (25 DEG C density 0.975g / cm 3 , softening point 32.5°C, flash point 221°C, the same below), in which the proportion of modified catalytic oil slurry accounts for 5wt%, and then vacuum distillation is carried out to distill light fractions <515°C, and the yield of light fractions is 36wt% , to obtain a vacuum residue with excellent properties. Its properties are shown in Table 2.
Embodiment 2
[0033] Catalytic oil slurry accounted for 95.0wt% of the total, condensed aluminum phosphate (aluminum dihydrogen tripolyphosphate, fineness 800 mesh) accounted for 5.0wt% of the total, other conditions were the same as in Example 1, and modified catalytic oil slurry was obtained.
[0034] The conditions for vacuum distillation after the modified catalytic oil slurry is mixed with the atmospheric residue are the same as in Example 1. The properties of the vacuum residue are shown in Table 2.
Embodiment 3
[0036] The catalytic oil slurry accounted for 99.8wt% of the total amount, and the condensed aluminum phosphate accounted for 0.2wt% of the total amount. Other conditions were the same as in Example 1 to obtain a modified catalytic oil slurry.
[0037] The conditions for vacuum distillation after the modified catalytic oil slurry is mixed with the atmospheric residue are the same as in Example 1. The properties of the vacuum residue are shown in Table 2.
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