Hydrodeoxygenation of palmitic acid over zeolite-supported nickel catalysts

Chao Wei Lee, Po Yi Lin, Bing Hung Chen, Roman G. Kukushkin, Vadim A. Yakovlev

研究成果: Article

摘要

In this study, Ni and Ni/Mo catalysts supported on zeolite ZSM-5, aka Ni/ZSM-5 and Ni-Mo(R)/ZSM-5, were successfully prepared by the incipient wetness impregnation method to hydrotreat heterogeneously the palmitic acid with an aim for the production of green diesel. Various instruments, such as XRD, SEM, BET, XPS, NH3-TPD and H2-TPR, were employed to characterize these catalysts. The hydrodeoxygenation (HDO) reaction of palmitic acid was carried out in an autoclave at 300 °C with an initial pressure of hydrogen at 35 bar. With Ni-Mo(R)/ZSM-5 catalysts priorly reduced in H2 at 500 °C, the conversion of palmitic acid could reach near 99% after 4 h of HDO reaction at 300 °C. Furthermore, a significant portion of isomerized paraffins appeared in the product, as revealed by GC–MS. That is, both hydrodeoxygenation and hydroisomerization reactions took place conjointly on palmitic acid with Ni-Mo(R)/ZSM-5 catalysts.

原文English
期刊Catalysis Today
DOIs
出版狀態Accepted/In press - 2020 一月 1

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Chemistry(all)

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