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Base and alkane adsorption on HZSM-5 with different Si/Al ratios
XIA Yifen,XUE Nianhua * #
Key Lab of Mesoscopic Chemistry, the School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China
*Correspondence author
#Submitted by
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Funding: 高等学校博士学科点专项科研基金资助课题(No.20100091120035)
Opened online: 7 March 2014
Accepted by: none
Citation: XIA Yifen,XUE Nianhua.Base and alkane adsorption on HZSM-5 with different Si/Al ratios[OL]. [ 7 March 2014] http://en.paper.edu.cn/en_releasepaper/content/4588077
 
 
Adsorbed ammonia and correspongding temperature-grammed desorption proved that the similar acidity in HZSM-5 zeolites with different Si/Al ratios, as well as revealed by the IR spectra of adsorbed pyridine in these zeolites. Howevwer, the adsorbed propane shows different interaction with the zeolites from the different density of the acid sites. It revealed that stronger interaction between the alkane interaction and zeolites when more acid sites presented in zeolites. The Nuclear Magnetic Resonance (NMR) spectra of the 1H DQ of zeolites and the 13C of adsorbed propane proved that the adjacency between Bronsted acid sites and the co-interaction of the active sites on one propane molecules.
Keywords:Physical Chemistry; adsorption; HZSM-5
 
 
 

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