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Tailor and Control of Acidic Strength in Ordered Mesoporous Aluminosilicates by Using Preformed Zeolite Precursors

 

作者: Sen Lin,   Li‐Feng Wang,   Yu Han,   Yi Yu,   Yan Di,   Run‐Wei Wang,   Da‐Zhen Jiang,   Feng‐Shod Xiao,  

 

期刊: Chinese Journal of Chemistry  （WILEY Available online 2004）
卷期: Volume 22, issue 1  

页码: 9-13

 

ISSN:1001-604X

 

年代: 2004

 

DOI:10.1002/cjoc.20040220104

 

出版商: Wiley‐VCH Verlag GmbH&Co. KGaA

 

关键词: NH3‐TPD;acidic strength;ordered mesoporous aluminosilicate;preformed zeolite precursor

 

数据来源: WILEY

 

摘要:

AbstractThe acidic strength of ordered mesoporous aluminosilicates of MAS‐2, MAS‐3, MAS‐7 and MAS‐9 and microporous crystals of Y. L, beta, and ZSM‐5 zeolites was systemically investigated by temperature‐programmed desorption of ammonia (NH3‐TPD). Due to the use of preformed zeolite precursors of Y. L, beta and ZSM‐5, the ordered mesoporous aluminosilicates with distinguished acidic strength were obtained. being dependent on the type of preformed zeolite precursors. Therefore, the acidic strength of these mesoporous aluminosilicates could be tailored

 

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