期刊
JOURNAL OF CATALYSIS
卷 335, 期 -, 页码 58-61出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcat.2015.12.011
关键词
Zeolite H-HPM-1; 1-Butene skeletal isomerization; Bronsted acid site density; Catalyst durability
资金
- National Creative Research Initiative Program [2012R1A3A2048833]
- BK 21-plus Program through the National Research Foundation of Korea
We have investigated the effect of acid site density on the catalytic performance of high-silica (50 <= Si/Al <= 380) H-HPM-1 zeolite in the 1-butene skeletal isomerization. Changes (<= 0.5) in the number of framework Al atoms, and thus of Bronsted acid sites, per unit cell (60 tetrahedral atoms) led to striking variations in both 1-butene conversion and isobutene selectivity. Combining isobutene yield with catalyst durability, H-HPM-1 with a framework Si/Al ratio of 350 was found to perform better than any of the catalysts studied for this reaction thus far. (C) 2015 Elsevier Inc. All rights reserved.
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