SO42−/ZrO2 as catalyst for upgrading of pyrolysis oil by esterification
Lu Li, Bin Yan, Huaxiao Li, Shitao Yu, Shiwei Liu, Hailong Yu, Xiaoping Ge
文献索引：10.1016/j.fuel.2018.04.006
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摘要
Pyrolysis oil of rubber seed oil (RSO) was upgraded by methyl esterificationusingSO42−/ZrO2 solid acid as catalyst. The activity and reusability of SO42−/ZrO2 solid acid were investigated and the experiment indicated that the esterification rate could reach 99.62% and was still above 95% in the third reaction. The component of SO42−/ZrO2 solid acid changed little after the third used. The properties of the obtained biofuel were studied and the results showed they were superior to pyrolysis oil and biodiesel, and similar to 0# diesel. The methyl esterification reaction kinetics was researched. The kinetics calculation indicated that the reaction order of the methyl esterification is 1.058, and Arrhenius equation can be expressed as 
k1=7.711×106e-47.913RT.