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Valorisation de La Diatomite Comme Adsorbant de Covs by Zaitan Hicham (Paperback / softback, 2014)

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Product Information

La presente etude vise a evaluer les performances d'une diatomite Marocaine vis-a-vis de l'adsorption/ desorption de l'o-xylene, par comparaison, a celles des oxydes commerciaux tels que Al2O3, TiO2 et SiO2. Dans la premiere partie, us avons etudie les caracteristiques texturales et superficielles des solides etudies. Nous avons pu montrer que le traitement acide conduit a une augmentation table de la surface specifique et du volume poreux. Ceci a ete vraisemblablement attribue a l'elimination totale des carbonates qui conduit au developpement de la structure poreuse de la diatomite. Les tests d'adsorption de xylene obtenus sur l'ensemble des solides montrent que la diatomite adsorbe des quantites semblable a celles de SiO2. La majeure partie du xylene adsorbee(70%) se desorbe d'une maniere reversible en isotherme. La regeneration complete necessite une DTP. Nous avons montre pendant cette etape que la desorption a ete faite sans degradation par decomposition du xylene. Ceci confere a la diatomite une facilite de recyclage de solide et de recuperation de solvant. Les isothermes d'adsorption experimentales d'o-xylene sont bien representees avec les modeles Langmuir et Temkin

Product Identifiers

Publisher
Academiques
ISBN-10
3838141822
ISBN-13
9783838141824
eBay Product ID (ePID)
217259815

Product Key Features

Author
Zaitan Hicham
Format
Paperback / Softback, Trade Paperback (US) ,Unsewn / Adhesive Bound
Language
French
Subject
Chemistry
Type
Textbook

Additional Product Features

Series Title
Omn.Pres.Franc.
Content Note
Black & White Illustrations
Date of Publication
29/05/2014
Country of Publication
United States

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