Study of Cu-Ni/SiO2 catalyst prepared from a novel precursor, [Cu(H2O)6][Ni(dipic)2].2H2O/SiO2, for water gas shift reaction
- 作者：Ali Reza Salehi Rad ; Maryam Behzad Khoshgouei ; Soheil Rezvani ; Ali Reza Rezvani ; rezvani2001ir@yahoo.ca
- 关键词：Novel precursor ; [Cu(H2O)6][Ni(dipic)2].2H2O/SiO2 ; Bimetallic catalyst ; Complex ; Water gas shift reaction
- 刊名：Fuel Processing Technology
- 出版年：2012
- 期刊代码：36_03783820
- 类别：ce
- 出版时间：April, 2012
- 卷：96
- 期：Complete
- 页码：9-15
- 文件大小：930 K
摘要
Silica-supported copper-nickel bimetallic catalyst was prepared from [Cu(H2O)6][Ni(dipic)2].2H2O/SiO2 precursor. The cationic-anionic complex, [Cu(H2O)6][Ni(dipic)2].2H2O, was prepared from the reaction of (NH4)2[Ni(dipic)2] with Cu(NO3)2.3H2O in water and characterized by elemental analysis, conductometric and various spectroscopy techniques such as FT-IR, UV-vis and atomic absorption. The physicochemical characteristics of both precursor and calcined catalyst were carried out using X-ray diffraction, thermal analysis methods (TGA and DSC), FT-infrared, scanning electron microscopy and BET specific surface area. The catalyst was evaluated for water gas shift reaction. When the Cu-Ni/SiO2 catalyst was used for water gas shift reaction at 300 掳C and atmospheric pressure, the CO conversion and CO2 selectivity were about 97.83%and 98.67%, respectively, showing higher activity and selectivity than the reference catalyst prepared by impregnation conventional method.
© 2004-2018 中国地质图书馆版权所有 京ICP备05064691号 京公网安备11010802017129号 地址：北京市海淀区学院路29号 邮编：100083 电话：办公室：(+86 10)66554848；文献借阅、咨询服务、科技查新：66554700 |