Stability of fly ash-based BEA-zeolite in hot liquid phase

Alechine E. Ameh,Chuks P. Eze,Edith Antunes,Mero-Lee U. Cornelius,Nicholas M. Musyoka,Leslie F. Petrik

Catalysis Today（2020）

引用 12|浏览7

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摘要

•Fly ash based silica extract was converted to BEA zeolite by hydrothermal processes•Stability in hot liquid phase of the fly ash based BEA zeolite was demonstrated•Stability was a function of relative crystallinity and the presence of defects•Framework desilication and reduced Si/Al ratio caused structural degradation•Degraded framework showed little or no structural collapse or phase transformation

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关键词

BEA zeolite,Stability,Crystallinity,Framework,Extraframework,Desilication

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