期刊
FUEL PROCESSING TECHNOLOGY
卷 139, 期 -, 页码 91-99出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.fuproc.2015.08.004
关键词
Hydrogenation; Palm oil; Biodiesel; Cetane number
资金
- National Basic Research Program of China [2014CB744306]
- National Science Fund for Excellent Young Scholars [21422607]
- National Natural Science Foundation of China [21276267]
- Beijing Nova Program [Z12111000250000]
Biodiesel, derived from vegetable oil via hydrotreating, is becoming a promising alternative energy. Novel Ni-Mo-W/gamma-Al2O3-ZSM-5 catalysts were developed and firstly applied in palm oil hydrogenation process. The catalysts were prepared by extrusion method and characterized by XRD, SEM, TEM, BET, NH3-TPD, and H-2-TPR The influences of acidity on the activity, selectivity, and stability of catalysts were systematically studied. The mechanisms of deoxygenation and isomerization were discussed. The catalyst Ni-Mo-W (5 wt.%-5 wt.%-15 wt.%)/gamma-Al2O3-ZSM-5 (85 wt.% 15 wt.%) was confirmed as the optimum one. Finally, the key reaction parameters such as reaction temperature, pressure, liquid hourly space velocity and H-2/oil volume ratio were optimized. The hydrogenation reaction path of palm oil was also proposed. (C) 2015 Elsevier B.V. All rights reserved.
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