简介概要

Microwave-induced synthesis and characterization of nanometer Ce0.5Zr0.5O2 solid solution for the acidic catalytic reaction

来源期刊:Rare Metals2008年第2期

论文作者:HU Yucai YIN Ping LIANG Tao JIANG Wei DU Zhengkun CHEN Yonghua School of Chemistry and Materials Science,Ludong University,Yantai ,China

文章页码:138 - 141

摘    要:<正>Ce0.5Zr0.5O2 solid solution was successfully synthesized using cerium nitrate,zirconium nitrate,and urea as raw materials by the microwave irradiation method and characterized by X-ray diffraction,fluorescence spectrum,transmission electron microscopy,and infrared spectrum. Its acid catalytic activity was evaluated in the esterification reaction of acetic acid and n-butyl alcohol.The results show that Ce0.5Zr0.5O2 solid solution has cubic fluorite structure,and its particle diameter is in the nanometer scale.As a sort of solid acid,it possesses a higher acid catalytic activity and can be easily separated from reaction liquids.It can be used for several times,and basically,its activity keeps constant. The proton acid sites and Lewis acid sites exist in the structure of Ce0.5Zr0.5O2 solid solution.

详情信息展示

Microwave-induced synthesis and characterization of nanometer Ce0.5Zr0.5O2 solid solution for the acidic catalytic reaction

HU Yucai YIN Ping LIANG Tao JIANG Wei DU Zhengkun CHEN Yonghua School of Chemistry and Materials Science,Ludong University,Yantai 264025,China

摘 要:<正>Ce0.5Zr0.5O2 solid solution was successfully synthesized using cerium nitrate,zirconium nitrate,and urea as raw materials by the microwave irradiation method and characterized by X-ray diffraction,fluorescence spectrum,transmission electron microscopy,and infrared spectrum. Its acid catalytic activity was evaluated in the esterification reaction of acetic acid and n-butyl alcohol.The results show that Ce0.5Zr0.5O2 solid solution has cubic fluorite structure,and its particle diameter is in the nanometer scale.As a sort of solid acid,it possesses a higher acid catalytic activity and can be easily separated from reaction liquids.It can be used for several times,and basically,its activity keeps constant. The proton acid sites and Lewis acid sites exist in the structure of Ce0.5Zr0.5O2 solid solution.

关键词:

<上一页 1 下一页 >

有色金属在线官网  |   会议  |   在线投稿  |   购买纸书  |   科技图书馆

中南大学出版社 技术支持 版权声明   电话:0731-88830515 88830516   传真:0731-88710482   Email:administrator@cnnmol.com

互联网出版许可证:(署)网出证(京)字第342号   京ICP备17050991号-6      京公网安备11010802042557号