An Efficient Zr-ZSM-5-st Solid Acid Catalyst for the Polyol Esterification Reaction

被引:1
|
作者
Su, Huaigang [1 ,2 ]
Zong, Ze [3 ]
Lou, Wenjing [1 ,4 ]
Zhao, Qin [1 ,4 ]
Wang, Xiaobo [1 ,4 ]
Feng, Xiang [3 ]
Qi, Yanxing [1 ]
Song, Zhaoning [3 ]
机构
[1] Chinese Acad Sci, Lanzhou Inst Chem Phys, Natl Engn Res Ctr Fine Petrochem Intermediates, State Key Lab Solid Lubricat, Lanzhou 730000, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
[3] China Univ Petr, State Key Lab Heavy Oil Proc, Qingdao 266580, Peoples R China
[4] Qingdao Ctr Resource Chem & New Mat, Qingdao 266100, Peoples R China
基金
中国国家自然科学基金;
关键词
Zr-containing solid acid catalyst; ZSM-5; zeolite; polyol ester; esterification; lubricating ester oils; ZSM-5; ZEOLITES; ZR; ETHANE; SITES;
D O I
10.3390/catal12080901
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
In this study, Zr active species were implanted into a ZSM-5 zeolite framework to form a solid acid catalyst through steam treatment and the liquid-solid isomorphous substitution process. The as-synthesized Zr-ZSM-5-st catalyst ensured excellent esterification of trimethylolpropane and fatty acids (FAs) to achieve a polyol ester production yield of 94.41%. Combined with N-2 physisorption, X-ray diffraction, Fourier transform infrared spectroscopy, ultraviolet-visible spectroscopy, transmission electron microscopy mapping, X-ray photoelectron spectroscopy, NH3 temperature-programmed desorption, and inductively coupled mass plasma spectroscopy were conducted. The results revealed that the excellent performance of Zr-ZSM-5-st catalyst could be attributed to the enhanced acidity and the developed surface area and pore structure.
引用
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页数:10
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