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Zeolite L Synthesis using Different Molar Gel Compositions for the Purpose of Minimising Reagent Water.
Wan, Ya Williams, Craig D. Duke, Catherine V. A. Cox, Jeffrey J.
Wan, Ya
Williams, Craig D.
Duke, Catherine V. A.
Cox, Jeffrey J.
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Issue Date
2001
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Abstract
A new starting molar gel composition 1.3K2O:Al2O3:6.0SiO2:37H2O containing much less silica, potassium and water than a conventional gel composition has been successfully used for the synthesis of zeolite L with minimum chemical waste. Inductively coupled plasma analysis on the mother liquors showed that conversion of 99.7% for Al, 90.9% for Si and 82.2% for K had been achieved when the new gel composition was used for the synthesis. The zeolite L synthesized from the new gel composition showed a well-defined cylindrical morphology. Zeolite L has also been synthesized from two other modified molar gel compositions 1.5K2O:Al2O3:6.0SiO2:37H2O and 1.9K2O:1.0Al2O3:6.0SiO2:67H2O. The chemical waste associated with those two synthesis gel compositions is also greatly reduced.
Citation
Microporous and Mesoporous Materials, 47(1): 79-84
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Journal article
Language
en
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ISSN
13871811