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Enhanced Adsorption Properties of Ag-loaded β-zeolite towards Toluene Conference attendances

Language Английский
Participant type Устный
Conference 6th International Conference on Material Science and Engineering Technology
20-22 Oct 2017 , Seoul
Authors Temerev Victor Leonidovich 1 , Vedyagin Aleksey Anatolʹevich 2,3 , Iost Kristina Nikolaevna 1 , Afonasenko Tatyana Nikolaevna 1 , Tsyrul'nikov Pavel Grigor'evich 1
Affiliations
1 Center of New Chemical Technologies of the Federal Research Center Boreskov Institute of Catalysis of Siberian Branch of the Russian Academy of Sciences
2 Center of New Chemical Technologies of the Federal Research Center Boreskov Institute of Catalysis of Siberian Branch of the Russian Academy of Sciences
3 National Research Tomsk Polytechnic University

Abstract: Two series of Ag-loaded β-zeolites with silica/alumina ratio of 25 and 36 were prepared by ion exchange technique. The silver loading was varied in a range of 2-10 wt%. The samples were characterized by low-temperature nitrogen adsorption, Infrared and UV-vis spectroscopy, and transmission electron microscopy. Adsorption/desorption properties of zeolites were examined using a specially designed setup. Toluene was used as a model hydrocarbon. It was found that adsorption capacity of zeolites grows up along with silver content increase till 8%, and reduces then. According to data of physicochemical methods, at low loading the silver exists in cluster and ionic forms, while at high loading agglomerated particles predominate, which worsens the adsorption properties.
Cite: Temerev V.L. , Vedyagin A.A. , Iost K.N. , Afonasenko T.N. , Tsyrul'nikov P.G.
Enhanced Adsorption Properties of Ag-loaded β-zeolite towards Toluene
6th International Conference on Material Science and Engineering Technology 20-22 Oct 2017