Preparation of magnetic nanocomposites of solid acid catalysts and their applicability in esterification

doi:10.1016/S1872-2067(14)60221-7

Abstract

Abstract:

Solid acid catalysts are superior to traditional liquid acids because they are noncorrosive, environmentally benign, and recyclable. In addition, nano-magnetic solid acid catalysts are preferable as they exhibit large specific surface areas together with good acidity and are also readily separated from the post-reaction mixture. Three component nano-magnetic solid catalysts TiO₂-Al₂O₃-Fe₃O₄ and CeO₂-Al₂O₃-Fe₃O₄ and a four component catalyst ZrO₂-Al₂O₃-CeO₂-Fe₃O₄ were synthesized by a co-precipitation method and were subsequently characterized by inductively coupled plasma-atomic emission spectroscopy, Brunauer-Emmett-Teller surface area analysis, X-ray diffraction, transmission electron microscopy, and thermal gravimetric analysis. Their catalytic activities were also evaluated in the esterification reaction of acetic acid with n-butanol. The results demonstrated that these rare earth-based magnetic nanocomposites exhibited good catalytic activity.

Key words: Magnetic nanocomposite, Solid acid catalyst, Co-precipitation method, Esterification reaction

Huanwang Jing, Xiaomei Wang, Yong Liu, Anqi Wang. Preparation of magnetic nanocomposites of solid acid catalysts and their applicability in esterification[J]. Chinese Journal of Catalysis, 2015, 36(2): 244-251.

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URL: https://www.cjcatal.com/EN/10.1016/S1872-2067(14)60221-7

https://www.cjcatal.com/EN/Y2015/V36/I2/244

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