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In relation to this article, we declare that there is no conflict of interest.
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Received February 23, 2015
Accepted April 27, 2015
articles This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Fine control of particle size by seeding and ageing under agitation in the synthesis of analcime zeolite

Department of Chemical Engineering and the Research Institute for Catalysis, Chonnam National University, 77, Yongbong-ro, Buk-gu, Gwangju 500-757, Korea
gseo@chonnam.ac.kr
Korean Journal of Chemical Engineering, December 2015, 32(12), 2512-2518(7), 10.1007/s11814-015-0090-2
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Abstract

The size of analcime particles produced through hydrothermal reactions of alkaline synthesis mixtures was finely controlled by seeding and ageing under agitation. Adding acid-treated analcime seeds to the synthesis mixture followed by ageing in an agitated vessel facilitated further nucleation, which resulted in the formation of fine analcime particles with an extremely narrow size distribution. The size of analcime particles could be controlled in the range of 0.5-5.0 μm with a standard deviation of less than 0.1 μm by varying the amount and type of the acid-treated seeds, the ageing time, and the agitation speed.

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