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Article | REF: F3010 V1

Zeodratation

Author: Sébastien ROUSTEL

Publication date: February 10, 2011, Review date: November 5, 2017 | Lire en français

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    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...

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