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Catalysts 2019, 9(2), 194; https://doi.org/10.3390/catal9020194

Alkali and Alkaline Earth Cation-Decorated TiO2 Nanotube-Supported Rh Catalysts for Vinyl Acetate Hydroformylation

1
College of Chemistry, Nankai University, Tianjin 300071, China
2
The Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Nankai University, Tianjin 300071, China
3
Collaborative Innovation Center of Chemical Science and Engineering, Tianjin 300071, China
*
Author to whom correspondence should be addressed.
Received: 20 November 2018 / Revised: 10 February 2019 / Accepted: 13 February 2019 / Published: 20 February 2019
(This article belongs to the Special Issue Catalytic Carbonylation Reactions)
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Abstract

Alkali and alkaline earth cation-decorated TiO2 nanotube (TNT)-supported rhodium catalysts were synthesized and characterized by inductively-coupled plasma optical emission spectrometer, surface characterization analyzer, X-ray diffraction, transmission electron microscopy, X-ray photoelectron spectroscopy, and Fourier transforming infrared spectrum, respectively. Their catalytic performances were evaluated by the hydroformylation of vinyl acetate. Results showed that both the conversion rate of vinyl acetate and selectivity for aldehyde were improved after Rh/TNTs were modified by alkali or alkali-earth cations. Such improved selectivity for aldehyde might be attributed to the presence of alkali or alkaline earth cations which enhanced CO adsorption, while the high conversion rate of vinyl acetate was likely due to the proper interaction of Lewis acid–base between cations modified TNTs and vinyl acetate. View Full-Text
Keywords: hydroformylation; vinyl acetate; TiO2 nanotubes; Rh nanoparticles; cations hydroformylation; vinyl acetate; TiO2 nanotubes; Rh nanoparticles; cations
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Chuai, H.; Su, P.; Liu, H.; Zhu, B.; Zhang, S.; Huang, W. Alkali and Alkaline Earth Cation-Decorated TiO2 Nanotube-Supported Rh Catalysts for Vinyl Acetate Hydroformylation. Catalysts 2019, 9, 194.

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