期刊
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
卷 58, 期 29, 页码 13112-13121出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.iecr.9b02527
关键词
-
资金
- National Natural Science Foundation of China [21476169, 21476168]
HZSM-5 zeolite has been extensively utilized in the petrochemical and fine chemical industry owing to its excellent isomerization/cracking activity and hydrothermal stability. However, it still remains a great challenge for ZSM-5-supported catalysts to upgrade vegetable oils to aviation-fuel-range-alkanes (AFRAs). Herein, an efficient Ni/ZSM-5 catalyst composed of self-pillared (SP) nanosheets along with high external acid fraction and short characteristic diffusion length was synthesized and employed for this reaction. This SP Ni/ZSM-5 nanosheet catalyst shows high deoxygenation, cracking/isomerization activity, and excellent catalytic stability for upgrading oleic acid to AFRAs, which is attributed to the SP nanosheet structure and reasonable acid distribution. Last, a high AFRA yield of 40% with an iso/n-alkanes ratio of 1.8 was achieved.
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