优化催化条件以减少芳烃并增加烷烃，从而提高喷气式生物燃料的质量。
Optimizing catalysis conditions to decrease aromatic hydrocarbons and increase alkanes for improving jet biofuel quality.
机构信息
State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou 310027, China.
State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou 310027, China.
出版信息
Bioresour Technol. 2014 Apr;158:378-82. doi: 10.1016/j.biortech.2014.02.112. Epub 2014 Mar 5.
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°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°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.
为了生产具有高烷烃含量和低芳烃含量的优质喷气式生物燃料，使用 HY 和 HZSM-5 两种沸石作为催化剂，负载 Ni 和 Mo，将豆油转化为喷气燃料。沸石 HY 表现出较高的喷气燃料烷烃选择性（40.3%）和较低的喷气燃料芳烃选择性（23.8%），而 HZSM-5 沸石则分别为 13.8%和 58.9%。当反应温度从 330°C 升高到 390°C 时，在 4 MPa 氢气压力下，Ni-Mo/HY 催化剂的喷气燃料产率从 0%增加到 49.1%，这是由于反应途径从齐聚反应向裂化反应的转变。进一步将反应温度从 390°C 升高到 410°C，导致喷气燃料芳烃的产率从 18.7%增加到 30%，降低了喷气燃料的质量。在 1 MPa 低氢气压力下，负载 8wt.%Ni 和 12wt.%Mo 的 HY 催化剂可获得 48.2%的高喷气燃料产率。
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