Citation: YAO Min, WANG Yan-di, LU Mei-zhen, JI Jian-bing, LIU Xue-jun. Hydrodeoxygenation of soybean oil methyl esters to alkane biodiesel over the PdMoP/γ-Al₂O₃ catalyst[J]. Journal of Fuel Chemistry and Technology, ;2019, 47(12): 1450-1457. shu

Hydrodeoxygenation of soybean oil methyl esters to alkane biodiesel over the PdMoP/γ-Al₂O₃ catalyst

Zhejiang Province Key Laboratory of Biofuel Utilization Technology, Biodiesel Laboratory of China Petroleum and Chemical Industry Federation, School of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China

Corresponding author: LIU Xue-jun, liuxuejun@zjut.edu.cn
Received Date: 25 July 2019
Revised Date: 28 October 2019

Figures(8)

The PdMoP/γ-Al₂O₃ catalyst was prepraed through loading the Pd, Mo, and P elements on the γ-Al₂O₃ support by incipient impregnation method and characterized by XRD, NH₃-TPD, XPS, Py-FTIR, nitrogen physisorption and STEM-EDS. The catalytic performance of PdMoP/γ-Al₂O₃ in the hydrodeoxygenation of soybean oil methyl ester to alkane biodiesel was invetigqated and the operation conditions were optimized. The results show that a combination of Pd, Mo and P elements can effectively adjust the catalyst acidity; Mo can reduce strong acidity, whereads P can enhance weak acidity, leading to a decrease in the B/L ratio of weak acid sites and a slight increase in the B/L ratio of strong acid sites. The optimized hydrodeoxygenation conditions are 315 ℃, 1.5 MPa, WHSV=0.5 h^-1, and V(hydrogen)/V(esters)=1100; under such conditions, the conversion of soybean oil methyl esters reaches 98.4% and the C_15-18 alkane yield is 91.5%.
- hydrodeoxygenation,
- PdMoP/γ-Al₂O₃ catalyst,
- acid regulation,
- soybean oil methyl esters,
- alkane biodiesel
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沈阳化工大学材料科学与工程学院沈阳 110142

Hydrodeoxygenation of soybean oil methyl esters to alkane biodiesel over the PdMoP/γ-Al2O3 catalyst

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通讯作者: 陈斌, bchen63@163.com

Hydrodeoxygenation of soybean oil methyl esters to alkane biodiesel over the PdMoP/γ-Al₂O₃ catalyst