Ion Exchange in Zeolites A and X Precursor Gels as a Function of Crystallization Time

Mole, V. C.; Rees, L. V. C.

doi:10.1007/978-94-009-3449-8_26

V. C. Mole³ &
L. V. C. Rees³

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Synopsis

Na-Ca and Na-Mg binary exchange isotherms at 25°C have been determined in samples of zeolite A and X gels as a function of crystallization time which varied from 0 to 14 hours for zeolite A and 0–24 hours for zeolite X. Increasing crystallinity in the zeolite A samples has been shown to decrease the selectivity for the divalent ion. In the case of the zeolite X samples, the selectivity for the divalent ion first decreases with increasing crystallization time but a reversal in this selectivity occurs with crystalline zeolite X.

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Physical Chemistry Laboratories, Imperial College of Science and Technology, London, SW7 2AY, England
V. C. Mole & L. V. C. Rees

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V. C. Mole
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L. V. C. Rees
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Editors and Affiliations

Research Division, The North East Wales Institute, Deeside, Clwyd, Wales, UK
P. A. Williams
Chemistry Deparment, University of Reading, Whiteknights, Reading, UK
M. J. Hudson

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Mole, V.C., Rees, L.V.C. (1987). Ion Exchange in Zeolites A and X Precursor Gels as a Function of Crystallization Time. In: Williams, P.A., Hudson, M.J. (eds) Recent Developments in Ion Exchange. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-3449-8_26

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DOI: https://doi.org/10.1007/978-94-009-3449-8_26
Publisher Name: Springer, Dordrecht
Print ISBN: 978-94-010-8044-6
Online ISBN: 978-94-009-3449-8
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