Synthesis of Sulfated Zirconia by Grafting on Mesoporous SBA-15 by Sol-Gel Method

被引：0
|
作者：
Jin Dingfeng [1 ]
Hu Guobo [1 ]
Jin Hongxiao [1 ]
Wang Xinqing [1 ]
Hong Bo [1 ]
Peng Xiaoling [1 ]
Ge Hongliang [1 ]
机构：
[1] China Jiliang Univ, Hangzhou 310018, Zhejiang, Peoples R China
来源：
RARE METAL MATERIALS AND ENGINEERING | 2012年 / 41卷
基金：
中国国家自然科学基金;
关键词：
sol-gel; mesoporous; sulfated zirconia; grafting;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Mesoporous SBA-15 silica graft sulfate zirconia materials via sol-gel method were investigated. SAXRD, XRD, N-2 adsorption-desorption and HRTEM were used to characterize the properties of this acid catalysts. SAXRD and XRD characterizations revealed that SO42-/ZrO2-SBA-15 catalysts with monolayer coverage can be obtained using this grafting technique. N-2 adsorption-desorption exhibits improved thermal stability. HRTEM presents that the ordered mesostructure of the mesoporous material is preserved at all calcination temperatures. The SO42-/ZrO2-SBA-15-500 catalyst showed the highest activity in the condensation between toluene and formaldehyde. The conversion of formaldehyde reached 35.7%.
引用
收藏
页码：379 / 382
页数：4
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