Adsorption of some volatile organic compounds on geomaterials

Leaching of industrial waste storage settings can lead to severe water resource pollution. Geamaterial barriers made from cement, bentonite and active carbon can overcome such problems. The first part of this work considers the preparation the new geomaterials intended to the dangerous waste storage...

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Bibliographic Details
Published in:Desalination 2004-08, Vol.166 (1-3), p.449-455
Main Authors: Hamdi, B., Houari, M., Hamoudi, S. Ait, Kessaïssia, Z.
Format: Article
Language:English
Subjects:
Adsorption
Applied sciences
Chemical engineering
COV
Crystallization, leaching, miscellaneous separations
Exact sciences and technology
Geomaterial
Other industrial wastes. Sewage sludge
Pollution
Treatment
Waste
Wastes
Wastewater
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Summary:Leaching of industrial waste storage settings can lead to severe water resource pollution. Geamaterial barriers made from cement, bentonite and active carbon can overcome such problems. The first part of this work considers the preparation the new geomaterials intended to the dangerous waste storage. These geornaterials have been prepared from Algerian origin clay bentonite materials, the cement, the active carbon and a polymer. Retention properties of such barriers towards some volatile organic compounds (phenol, chlorobenzene, O-xylene) have been assessed through the determination of adsorption isotherms using bath method. The study of different experimental equilibrium isotherms showed clearly the high efficiency of these new adsorbents toward VOCs. On the other hand, it has been shown that the retention of the volatile organic compounds is mainly due active carbon, or for a part, to the clay product of the geomaterial.
ISSN:0011-9164
1873-4464
DOI:10.1016/j.desal.2004.06.102