Method for preparing biological aviation fuel by using litsea cubeba kernel oil
A technology of aviation fuel and litsea cubeba oil, applied in the field of preparing bio-aviation fuel from litsea cubeba fruit seed oil, achieving good economic and social benefits and improving quality
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Embodiment 1
[0029] This embodiment includes the following steps:
[0030] (1) Filter the litsea cubeba fruit pit oil to remove particulate impurities, add softened water at the same temperature at 70°C, the weight of the added softened water is equivalent to 5% of the weight of litsea cubeba oil, stir for 30 minutes, and then Centrifuge at a speed of 3000r / min for 30 minutes, take the supernatant, and dry it in a vacuum oven at 103°C for 3 hours to obtain refined litsea cubeba oil;
[0031] (2) After cooling the refined litsea cubeba fruit stone oil obtained in step (1), it is introduced into a fixed-bed hydrogenation reaction device filled with a hydrodeoxygenation catalyst to carry out a hydrodeoxygenation reaction; the hydrodeoxygenation catalyst is NiO- WO 3 / Aluminosilicate molecular sieve supported catalyst, the dosage is equivalent to 3% of the weight of the obtained refined Litsea cubeba oil, the temperature is raised to 350°C, the absolute pressure is 4MPa, and hydrogen is introd...
Embodiment 2
[0037] This embodiment includes the following steps:
[0038] (1) Filter the Litsea cubeba fruit kernel oil to remove particulate impurities, add softened water at the same temperature at 70°C, the weight of the added softened water is equivalent to 5% of the weight of Litsea cubeba oil, stir for 30 minutes, and then Centrifuge at a speed of 3000r / min for 30 minutes, take the supernatant, and dry it in a vacuum oven at 103°C for 3 hours to obtain refined litsea cubeba oil;
[0039] (2) After cooling the refined litsea cubeba fruit stone oil obtained in step (1), it is introduced into a fixed-bed hydrogenation reaction device filled with a hydrodeoxygenation catalyst to carry out a hydrodeoxygenation reaction; the hydrodeoxygenation catalyst is equivalent to the obtained Refined litsea cubeba oil weight 2% CoO-MoO 3 / γ-Al 2 o 3 Supported catalyst, the temperature is raised to 320°C, the absolute pressure is 3MPa, and hydrogen is introduced at the same time, the hydrogen-oil ...
Embodiment 3
[0043] This embodiment includes the following steps:
[0044] (1) Filter the Litsea cubeba fruit kernel oil to remove particulate impurities, add softened water at the same temperature at 70°C, the weight of the added softened water is equivalent to 5% of the weight of Litsea cubeba oil, stir for 30 minutes, and then Centrifuge at a speed of 3000r / min for 30 minutes, take the supernatant, and dry it in a vacuum oven at 103°C for 4 hours to obtain refined litsea cubeba oil;
[0045] (2) After cooling the refined litsea cubeba fruit stone oil obtained in step (1), it is introduced into a fixed-bed hydrogenation reaction device filled with a hydrodeoxygenation catalyst to carry out a hydrodeoxygenation reaction; the hydrodeoxygenation catalyst is equivalent to the obtained Refined litsea cubeba oil weight 5% NiO-MoO 3 / γ-Al 2 o 3 Supported catalyst, the temperature is raised to 350°C, the absolute pressure is 3.5MPa, and hydrogen is introduced at the same time, the volume rati...
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