期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 135, 期 31, 页码 11437-11440出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja4043388
关键词
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资金
- National Natural Science Foundation of China [U1162115, 21076163]
- Natural Science Foundation of Zhejiang Province of China [Y4090084]
Developing highly active hydrodesulfurization (HDS) catalysts is of great importance for producing ultraclean fuel. Herein we report on crystalline mordenite nanofibers (NB-MOR) with a bundle structure containing parallel mesopore channels. After the introduction of cobalt and molybdenum (CoMo) species into the mesopores and rnicropores of NB-MOR, the NB-MOR-supported CoMo catalyst (CoMo/NB-MOR) exhibited an unprecedented high activity (99.1%) as well as very good catalyst life in the HDS of 4,6-dimethyldibenzothiophene compared with a conventional gamma-alumina-supported CoMo catalyst (61.5%). The spillover hydrogen formed in the micropores migrates onto nearby active CoMo sites in the mesopores, which could be responsible for the great enhancement of the HDS activity.
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