Basicities of alumina-supported alkaline earth metal oxides

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题名:	Basicities of alumina-supported alkaline earth metal oxides
作者:	Chen,YW;Chen,HY;Lin,WF
贡献者:	化學工程與材料工程學系
关键词:	CATALYSTS
日期:	1998
上传时间:	2010-06-29 17:29:23 (UTC+8)
出版者:	中央大學
摘要:	A series of alumina-supported alkaline earth metal oxide catalysts were prepared by incipient-wetness impregnation. These catalysts were characterized by nitrogen-sorption to determine their surface areas and pore size distributions. The basicities of these catalysts were characterized by temperature-programmed desorption of carbon dioxide. The TPD results demonstrate that all of the catalysts have one-peak profiles. The basicity increases with increasing atomic number of the alkaline earth metal. The alumina-supported alkaline earth oxides exhibit the same basic properties as bulk metal oxides. However, the presence of alumina can increase the mechanical strength of the catalyst, since the alkaline earth oxides have a weak mechanical strength. The basic properties of the catalysts are strongly influenced by the calcination temperature.
關聯:	REACTION KINETICS AND CATALYSIS LETTERS
显示于类别:	[化學工程與材料工程研究所] 期刊論文

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