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Adsorption of organic vapour pollutants on activated carbon

Lookup NU author(s): Dr Ashleigh Fletcher, Mark Kennedy, Dr Xuebo Zhao, Dr Jon Bell, Emeritus Professor Mark Thomas

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Abstract

Emissions of organic vapor pollutants, arising mainly from anthropogenic sources have major environmental impact and the low emission levels required by increasingly stringent legislation are difficult to achieve. Adsorption on activated carbon can be used as a final stage for removal of very low concentrations of volatile organic pollutants present in air and gas streams. Isotherms and adsorption kinetics for a range of carbons with different porous structures and volatile organic compounds (VOCs) with a range of properties provide an improved understanding of the relationship between pore structure, adsorptive properties and adsorption characteristics. Competitive adsorption of other species present in gas flows, in particular water vapor, reduces adsorption capacity and kinetics. Laboratory measurements, which simulate process conditions, for example, very low vapor pressure, high temperature and competitive adsorption; provide an insight into the mechanisms associated with adsorption processes allowing process optimization.


Publication metadata

Author(s): Zhao XB; Fletcher AJ; Thomas KM; Kennedy MJ; Bell JG

Editor(s): JP Mota; S Lyubchik

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: Recent Advances in Adsorption Processes for Environmental Protection and Security

Year of Conference: 2007

Pages: 29-54

ISSN: 9781402068034

Publisher: Springer

URL: http://dx.doi.org/10.1007/978-1-4020-6805-8_4

DOI: 10.1007/978-1-4020-6805-8_4

Library holdings: Search Newcastle University Library for this item

Series Title: NATO Science for Peace and Security Series C: Environmental Security

ISBN: 9781402068058


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