期刊
APPLIED CATALYSIS A-GENERAL
卷 577, 期 -, 页码 107-112出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apcata.2019.03.012
关键词
Acetic acid; 1-Hexanoic acid; Furan; 2-Methylfuran; H-ZSM-5; Acylation reaction
资金
- Catalysis Center for Energy Innovation, an Energy Frontier Research Center - U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences [DE-SC0001004]
The acylation of furan and 2-methylfuran (2-MF) with acetic acid (AA) and 1-hexanoic acid (HA) was studied over an H-ZSM-5 catalyst. Temperature-programmed desorption (TPD) measurements showed evidence that AA adsorbs strongly at Bronsted sites, with reaction to CO2 and acetone beginning at 523 K, while both furan and 2-MF oligomerize upon adsorption at room temperature. Steady-state, flow-reactor measurements demonstrate that selectivities for the acylation reactions can approach 100% below 523 K when reactions are operated in excess organic acids, with maximum conversion limited by equilibrium. Coking becomes important when the reaction is operated in excess furan or 2-MF and at high reactant concentrations, while ketonization products are observed when the reaction is performed above 523 K. Potential uses for the reactions are discussed.
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