以麻疯树油为原料,在Pt/SAPO-11双功能催化剂作用下一步加氢制备生物航空煤油,考察了不同反应温度、空速、压力和氢油比对产物脱氧率、C8～C16比率及C8～C16烃异构率的影响.结果表明:高温、高压会促进二次裂化反应的发生,使C8～C16比率下降;空速增大导致平均停留时间缩短,使脱氧率下降.综合考虑脱氧率、C8～C16比率及C8～C16烃异构率指标得到最佳工艺条件为反应温度670 K、空速1.2h-1、压力5 MPa、氢油比1 000∶1,在此条件下脱氧率为99.24％,C8～C16比率为71.16％,C8～C16烃异构率为37.92％.该研究为新能源的开发及其在航空领域的应用提供了理论依据.%With Jatropha curcas oil as raw material,biological aviation kerosene was prepared by one-step hydrogenation with Pt/SAPO-11 as catalyst.The effects of reaction temperature,hourly speed,pressure and ratio of hydrogen to oil on deoxidation rate,Cs-C16 ratio and Cs-C16 hydrocarbon isomerization rate of the product were studied.The results showed that the high temperature and high pressure could promote the occurrence of secondary cracking reaction,so C8-C16 ratio decreased.The increase of hourly speed led to the reduction of average residence time,resulting in the decrease of deoxidation rate.Considering the deoxidation rate,Cs-C16 ratio and Cs-C16 hydrocarbon isomerization rate,the optimal preparation conditions were obtained as follows:reaction temperature 670 K,hourly speed 1.2 h-1,pressure 5 MPa and ratio of hydrogen to oil 1 000∶ 1.Under these conditions,the deoxidation rate,C8-C16 ratio and Cs-C16 hydrocarbon isomerization rate were 99.24％,71.16％ and 37.92％ respectively.It provided a theoretical basis for the development of new energy sources and its application in the field of aviation.
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