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Microwave-assisted Al-substituted Tobermorite Synthesis

Published online by Cambridge University Press:  31 January 2011

Michihiro Miyake ,
Shigeto Niiya  and
Motohide Matsuda
Michihiro Miyake
Affiliation:
Department of Environmental Chemistry and Materials, Faculty of Environmental Science and Technology, Okayama University, Tsushima-Naka, Okayama 700–8530, Japan
Shigeto Niiya
Affiliation:
Department of Environmental Chemistry and Materials, Faculty of Environmental Science and Technology, Okayama University, Tsushima-Naka, Okayama 700–8530, Japan
Motohide Matsuda
Affiliation:
Department of Environmental Chemistry and Materials, Faculty of Environmental Science and Technology, Okayama University, Tsushima-Naka, Okayama 700–8530, Japan
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Abstract

The effect of microwave heating on the hydrothermal synthesis of Al-substituted tobermorite and the removal characteristics of resulting materials were examined and compared with the effect of conventional heating. The microwave heating reduced the crystallization time of Al-substituted tobermorite—i.e., Al-substituted tobermorite was synthesized within 80 min at around 140 °C—and produced smaller crystallites than the conventional heating. The minute crystallites were found to promote the removal characteristics for Cs+ ions in short reaction time.

Type
Rapid Communications
Information
Journal of Materials Research , Volume 15 , Issue 4 , April 2000 , pp. 850 - 853
Copyright
Copyright © Materials Research Society 2000

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