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Microwave-assisted catalytic pyrolysis of Chinese Tallow kernel oil for aromatic production in a downdraft reactor
Journal of Analytical and Applied Pyrolysis ( IF 5.8 ) Pub Date : 2018-08-01 , DOI: 10.1016/j.jaap.2018.05.008 Zhenting Yu , Yunpu Wang , Lin Jiang , Leilei Dai , Yuhuan Liu , Roger Ruan , Dengle Duan , Yue Zhou , Liangliang Fan , Yunfeng Zhao , Rongge Zou
Journal of Analytical and Applied Pyrolysis ( IF 5.8 ) Pub Date : 2018-08-01 , DOI: 10.1016/j.jaap.2018.05.008 Zhenting Yu , Yunpu Wang , Lin Jiang , Leilei Dai , Yuhuan Liu , Roger Ruan , Dengle Duan , Yue Zhou , Liangliang Fan , Yunfeng Zhao , Rongge Zou
Abstract Microwave-assisted pyrolysis of Chinese tallow kernel oil with silicon carbide (SiC)-foamed ceramic catalyst in a downdraft reactor was carried out in this study. In this paper, we studied the influence of catalytic temperature, catalyst-to-feed ratio, and feeding rate on product distribution and chemical components of bio-oil. The aromatic proportion reached a maximum value of 89.707 wt% when catalytic conditions were set as follows: 300 °C catalytic temperature, 1:2 catalyst/feedstock ratio, and 1 ml/min feed rate. Fourier-transform infrared spectra were consistent with the results obtained from gas chromatography–mass spectrometry. Their outstanding thermal stability allowed SiC-foamed ceramics to perform well in five cycles of repeated experiments under optimal conditions. These results indicate that the SiC-foamed ceramics are promising catalysts for aromatic production in microwave-assisted pyrolysis of Chinese tallow kernel oil in a downdraft reactor. This pathway can also improve the application prospects of microwave pyrolysis technology.
更新日期：2018-08-01
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