Journal of the Ceramic Society of Japan
Online ISSN : 1348-6535
Print ISSN : 1882-0743
ISSN-L : 1348-6535
Technical reports
Synthesis and characterization of LTA-type zeolite by microwave-assisted hydrothermal process
Kumi KUMADANIYuichiro TAKAMATSUTakaaki MINAMIMasakazu TOGOHironobu MURATAAtsushi NAKAHIRA
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2019 Volume 127 Issue 8 Pages 585-589

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Abstract

LTA-type zeolites were synthesized by the microwave-assisted hydrothermal process and conventional hydrothermal process. Obtained products were characterized by X-ray powder diffraction and X-ray absorption near edge structure measurements and their microstructures were observed by scanning electron microscopy. In this study, the effects of microwave-assisted hydrothermal process on the morphology (particle size etc) and microstructures for the LTA-type zeolite were mainly examined. As a result, the crystallization of precursor gel of LTA was rapidly carried out by the exposure of microwave for a significantly short term and consequently LTA-type zeolite obtained by the microwave-assisted hydrothermal process had well-defined cubic facet and moreover the small average particle size, compared with the samples obtained by conventional hydrothermal process.

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© 2019 The Ceramic Society of Japan
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