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粘土固体酸的表面酸性调控及其催化活性 被引量:2

Regulating the Surface Acidity of Clay Solid Acid and Its Catalytic Activity
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摘要 Clay solid acid was prepared by making use of the interlamellar space acitvity of montmorillonite. The method of nonaqueous solution titration was applied to study the surface acidity changes of montmorillonite when interlayer ions (of montmorillonite) were replaced by various cations under different conditions.The results show that the type and concentration of cations have remarkable effects on surface acidity of clay.The surface acidity of clay solid acid can be regulated by using different methods and conditions,which shows a higher catalylic activity when it was used in organic reaction. Clay solid acid was prepared by making use of the interlamellar space acitvity of montmorillonite. The method of nonaqueous solution titration was applied to study the surface acidity changes of montmorillonite when interlayer ions (of montmorillonite) were replaced by various cations under different conditions.The results show that the type and concentration of cations have remarkable effects on surface acidity of clay.The surface acidity of clay solid acid can be regulated by using different methods and conditions,which shows a higher catalylic activity when it was used in organic reaction.
出处 《矿物岩石地球化学通报》 CAS CSCD 1999年第4期277-279,共3页 Bulletin of Mineralogy, Petrology and Geochemistry
基金 国家自然科学基金 福建省自然科学基金
关键词 蒙脱石 表面酸性 催化活性 montmorillonite surface acidity catalylic activity
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