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Microwave-assisted method for the direct synthesis of nano-sized Cu-zeolite

Authors:

A. Rajapakshe,

National Institute of Fundamental Studies, Kandy, LK
About A.
Environmental Science Research Program
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A. Bandara,

University of Peradeniya, Peradeniya, LK
About A.
Department of Chemistry
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R. Weerasooriya,

National Institute of Fundamental Studies, Kandy, LK
About R.
Environmental Science Research Program
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L. Jayarathna

National Institute of Fundamental Studies, Kandy, LK
About L.
Environmental Science Research Program
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Abstract

Recently, the direct synthesis methods for zeolite modification have received much attention from scientists to improve zeolites as catalysts in a variety of applications. Unlike conventional methods, well advanced physicochemical properties could be introduced to zeolites through direct synthesis. During this work, Cu-loaded zeolite was directly synthesized using a microwave-assisted method, and the resulted samples were characterized by Fourier transform infrared spectroscopy (FTIR), powder X-ray diffraction (PXRD), scanning electron microscopy (SEM) and Raman microscopy. The PXRD and SEM results revealed that the Cu-loaded zeolite has LTA (Linde Type A) crystal structure with high crystallinity and particle size obtained within the 300 - 600 nm range. The FTIR and Raman microscopic data showed the bond formation of Cu within the zeolite framework. Unlike other methods, modification of zeolite was done at a low temperature of 110℃. During this microwave-assisted method, nano-sized, LTA type Cu-zeolite was successfully obtained.
How to Cite: Rajapakshe, A., Bandara, A., Weerasooriya, R., & Jayarathna, L. (2021). Microwave-assisted method for the direct synthesis of nano-sized Cu-zeolite. Ceylon Journal of Science, 50(5), 403–410. DOI: http://doi.org/10.4038/cjs.v50i5.7929
Published on 28 Oct 2021.
Peer Reviewed

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