Ion exchange equilibria in zeolite minerals |
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Authors: | C Colella |
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Institution: | (1) Dipartimento di Ingegneria del Materiali e della Produzione, Università di Napoli Federico II, Piazzalc V. Tecchio 80, 80125 Naples, Italy |
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Abstract: | Cation exchange equilibria of the most common sedimentary zeolites are reviewed. Selected exchange isotherms and thermodynamic equilibrium constants are reported and interpreted in terms of selectivity of one cation over another. Selectivity sequences of various zeolites are compared with each other in the light of Eisenman's theory and utilized to predict or explain specific practical performances.For the sake of clarity, zeolite structure types, when necessary, are referred to throughout the text by the structure type codes, assigned by the Structure Commission of the International Zeolite Association (Meier and Olson 1992). |
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