Effect of Nitric Acid Treatment on Carbon Nanotubes (CNTs)-Cordierite Monoliths Supported Ruthenium Catalysts for Ammonia Synthesis

被引：5
|
作者：
Xiujin Yu
Bingyu Lin
Binbin Gong
Jianxin Lin
Rong Wang
Kemei Wei
机构：
[1] Fuzhou University,National Engineering Research Center of Chemical Fertilizer Catalyst
来源：
Catalysis Letters | 2008年 / 124卷
关键词：
CNTs-cordierite; Nitric acid treatment; Ru; Ammonia synthesis;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Nitric acid treatment of CNTs-cordierite monolith changes the amount of Mg, Si, Al and oxygen-containing functional groups, thereby influencing on the surface area and pore size distribution of composite materials. Appropriate treatment of CNTs-cordierite with nitric acid increases the surface area and the amount of micropores slightly, but improves the activities for ammonia synthesis noticeable, which might be a consequent of the variation of the amount of Mg, Si, Al and oxygen-containing functional groups. The ammonia synthesis activity of Ba–Ru/CNTs-cordierite increase by more than 30% if the support material is treated at 30 °C for 4 h with nitric acid.
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收藏
页码：168 / 173
页数：5
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