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Open AccessArticle

A Novel High-Activity Zn-Co Catalyst for Acetylene Acetoxylation

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School of Chemistry and Chemical Engineering of Shihezi University, Shihezi 832000, Xinjiang, China
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Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, Shihezi 832000, Xinjiang, China
*
Authors to whom correspondence should be addressed.
Catalysts 2018, 8(6), 239; https://doi.org/10.3390/catal8060239
Received: 26 April 2018 / Revised: 24 May 2018 / Accepted: 1 June 2018 / Published: 6 June 2018
(This article belongs to the Special Issue Heterogeneous Acid Catalyst)
In this paper, Zn(OAc)2/AC and Zn-Co/AC catalysts were prepared and applied in an acetylene acetoxylation reaction. Compared with monometallic Zn(OAc)2/AC catalyst, which is widely applied in industry, the Zn-Co catalysts exhibited excellent catalytic performance. Transmission electron microscopy results displayed that the addition of cobalt improved the dispersity of zinc acetate particles and inhibited catalyst sintering on the catalyst surface. X-ray photoelectron spectra suggested that the Co additive changed the electron density of zinc acetate probably because of the interaction between Zn and Co species. Temperature programmed desorption analysis demonstrated Co additive strengthened the adsorption of acetic acid and weakened the adsorption of acetylene. View Full-Text
Keywords: acetylene acetoxylation; Zn(OAc)2 catalyst; cobalt acetylene acetoxylation; Zn(OAc)2 catalyst; cobalt
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MDPI and ACS Style

He, P.; Huang, L.; Wu, X.; Xu, Z.; Zhu, M.; Wang, X.; Dai, B. A Novel High-Activity Zn-Co Catalyst for Acetylene Acetoxylation. Catalysts 2018, 8, 239.

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