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Katoh M, Kimura M, Sugino M, et al. Modification of commercial NaY zeolite to give high water diffusivity and adsorb a large amount of water. J Colloid Interface Sci. 2015;455:220-5doi: 10.1016/j.jcis.2015.05.050.
Katoh, M., Kimura, M., Sugino, M., Horikawa, T., Nakagawa, K., & Sugiyama, S. (2015). Modification of commercial NaY zeolite to give high water diffusivity and adsorb a large amount of water. Journal of colloid and interface science, 455220-5. https://doi.org/10.1016/j.jcis.2015.05.050
Katoh, Masahiro, et al. "Modification of commercial NaY zeolite to give high water diffusivity and adsorb a large amount of water." Journal of colloid and interface science vol. 455 (2015): 220-5. doi: https://doi.org/10.1016/j.jcis.2015.05.050
Katoh M, Kimura M, Sugino M, Horikawa T, Nakagawa K, Sugiyama S. Modification of commercial NaY zeolite to give high water diffusivity and adsorb a large amount of water. J Colloid Interface Sci. 2015 Oct 01;455:220-5. doi: 10.1016/j.jcis.2015.05.050. Epub 2015 Jun 03. PMID: 26072446.
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J Colloid Interface Sci. 2015 Oct 01;455:220-5. doi: 10.1016/j.jcis.2015.05.050. Epub 2015 Jun 03.

Modification of commercial NaY zeolite to give high water diffusivity and adsorb a large amount of water.

Journal of colloid and interface science

Masahiro Katoh, Michisato Kimura, Mao Sugino, Toshihide Horikawa, Keizo Nakagawa, Shigeru Sugiyama

Affiliations

  1. Department of Advanced Materials, Institute of Technology and Science, Tokushima University, 2-1 Minami-Josanjimacho, Tokushima 770-8506, Japan. Electronic address: [email protected].
  2. Department of Advanced Materials, Institute of Technology and Science, Tokushima University, 2-1 Minami-Josanjimacho, Tokushima 770-8506, Japan.

PMID: 26072446 DOI: 10.1016/j.jcis.2015.05.050

Abstract

By using NaY zeolites as desiccant materials, commercial NaY zeolite was alkali treated with 1 M NaOH aqueous solution and then Mg(2+) ion-exchanged by 0.5 M Mg(NO3)2 aqueous solution. Alkali treatment (AT) of NaY zeolite removed silicon atoms selectivity from the framework of Y-type zeolite and enhanced water diffusivity of Y-type zeolite. On the other hand, Mg(2+) ion-exchange of NaY zeolite increased the amount of water adsorbed. Prepared Y-AT-Mg zeolite had both water adsorption velocity and a large difference of water adsorbed amount between adsorption at 30 °C and desorption at 100 °C.

Copyright © 2015 Elsevier Inc. All rights reserved.

Keywords: Alkali treatment; Commercial NaY zeolite; High water diffusivity; Ion exchange; Large water capacity

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