1. Definition
1.1 Zeodration and zeolites
Zeodration is a dewatering technique developed in the 1990s. It uses zeolites, i.e. a microporous mineral belonging to the silicate group, a subgroup of the tectosilicates in which they form a family including aluminosilicates.
A zeolite, whether natural or synthetic (more than 150 types of zeolite have been synthesized, and nearly 50 natural zeolites are known) is capable of selectively adsorbing or desorbing water as a function of temperature and relative humidity.
Zeolites used for zeodration take the form of microporous, three-dimensional granules about two millimeters in size. The diameter of the nanopores is around 400 picometers, corresponding to the size of a water molecule.
Zeolites are crystalline...
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Definition
Principle
Bibliography
- (1) - GUISNET (M.), ROMÔA RIBEIRO (F.) - Les zéolithes, un nanomonde au service de la catalyse. - Éditions EDP Sciences, ISBN 2-86883-826-x (2006).
- (2) - LACROIX (M.) - Synthèse et caractérisation de zéolithes 1D pour la catalyse. - Rapport d'étude de l'Université Louis Pasteur de Strasbourg, sept. 2004. ...
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