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Open AccessArticle

Hydrogenation of Ethyl Acetate to Ethanol over Ni-Based Catalysts Obtained from Ni/Al Hydrotalcite-Like Compounds

State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, Guangdong, China
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Molecules 2010, 15(8), 5139-5152; https://doi.org/10.3390/molecules15085139
Received: 18 June 2010 / Revised: 17 July 2010 / Accepted: 23 July 2010 / Published: 29 July 2010
A series of Ni-based catalysts were prepared using hydrogen reduction of Ni/Al hydrotalcite-like compounds (Ni/Al HTlcs) synthesized by coprecipitation. The physico-chemical properties of Ni/Al hydrotalcite-like compounds and the corresponding Ni-based catalysts were characterized using inductively coupled plasma (ICP), BET surface areas, X-ray diffraction (XRD), Fourier transform infrared (FTIR) spectroscopy and scanning electron microscopy (SEM) techniques. The results indicated that Ni/Al HTlcs with layered structures could be successfully prepared by the coprecipitation method, and the characteristic HTlcs reflections were also observed in the XRD analysis. The NiO and Ni0 phases were identified in all Ni-based catalysts, which displayed randomly interconnected pores and no layer structures. In addition, the studies also found the Ni/Al HTlcs and Ni-based catalysts had high specific surface areas, low pore volumes and low pore diameters. The catalytic hydrogenation of ethyl acetate to ethanol with Ni-based catalysts was also investigated. Among the studied catalysts, RE1NASH-110-3 showed the highest selectivity and yield of ethyl acetate to ethanol, which were 68.2% and 61.7%, respectively. At the same time, a major by-product, butyl acetate, was formed due to an ester-exchange reaction. A proposed hydrogenation pathway for ethyl acetate over Ni-based catalysts was suggested. View Full-Text
Keywords: hydrogenation; ethyl acetate; ethanol; Ni/Al hydrotalcite-like compounds hydrogenation; ethyl acetate; ethanol; Ni/Al hydrotalcite-like compounds
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MDPI and ACS Style

Zhang, B.; Lin, L.; Zhuang, J.; Liu, Y.; Peng, L.; Jiang, L. Hydrogenation of Ethyl Acetate to Ethanol over Ni-Based Catalysts Obtained from Ni/Al Hydrotalcite-Like Compounds. Molecules 2010, 15, 5139-5152. https://doi.org/10.3390/molecules15085139

AMA Style

Zhang B, Lin L, Zhuang J, Liu Y, Peng L, Jiang L. Hydrogenation of Ethyl Acetate to Ethanol over Ni-Based Catalysts Obtained from Ni/Al Hydrotalcite-Like Compounds. Molecules. 2010; 15(8):5139-5152. https://doi.org/10.3390/molecules15085139

Chicago/Turabian Style

Zhang, Beixiao; Lin, Lu; Zhuang, Junping; Liu, Ying; Peng, Lincai; Jiang, Longfei. 2010. "Hydrogenation of Ethyl Acetate to Ethanol over Ni-Based Catalysts Obtained from Ni/Al Hydrotalcite-Like Compounds" Molecules 15, no. 8: 5139-5152. https://doi.org/10.3390/molecules15085139

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