Optimizing catalysis conditions to decrease aromatic hydrocarbons and increase alkanes for improving jet biofuel quality

被引:59
作者
Cheng, Jun [1 ]
Li, Tao [1 ]
Huang, Rui [1 ]
Zhou, Junhu [1 ]
Cen, Kefa [1 ]
机构
[1] Zhejiang Univ, State Key Lab Clean Energy Utilizat, Hangzhou 310027, Zhejiang, Peoples R China
基金
中国国家自然科学基金;
关键词
Jet fuel; Catalysis; Alkane; Aromatic hydrocarbon; TRIGLYCERIDES; DIESEL; FUEL; OILS;
D O I
10.1016/j.biortech.2014.02.112
中图分类号
S2 [农业工程];
学科分类号
0828 ;
摘要
To produce quality jet biofuel with high amount of alkanes and low amount of aromatic hydrocarbons, two zeolites of HY and HZSM-5 supporting Ni and Mo were used as catalysts to convert soybean oil into jet fuel. Zeolite HY exhibited higher jet range alkane selectivity (40.3%) and lower jet range aromatic hydrocarbon selectivity (23.8%) than zeolite HZSM-5 (13.8% and 58.9%). When reaction temperature increased from 330 to 390 degrees C, yield of jet fuel over Ni-Mo/HY catalyst at 4 MPa hydrogen pressure increased from 0% to 49.1% due to the shift of reaction pathway from oligomerization to cracking reaction. Further increase of reaction temperature from 390 to 410 degrees C resulted in increased yield of jet range aromatic hydrocarbons from 18.7% to 30%, which decreased jet fuel quality. A high yield of jet fuel (48.2%) was obtained at 1 MPa low hydrogen pressure over Ni (8 wt.%)-Mo (12 wt.%)/HY catalyst. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码:378 / 382
页数:5
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