Vapor-Phase Adsorption of Hexane and Benzene on Activated Carbon Fabric Cloth:  Equilibria and Rate Studies

Volatile organic compounds (VOCs) comprise more than 60% of total hazardous air pollutants that are emitted by major industrial point sources. Adsorption by an activated carbon fiber has been recognized as one of the feasible regenerative control processes to separate and recover VOCs for reuse. The...

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Bibliographic Details
Published in:Industrial & engineering chemistry research 2002-05, Vol.41 (10), p.2480-2486
Main Authors: Singh, Kunwar P, Mohan, Dinesh, Tandon, G. S, Gupta, G. S. D
Format: Article
Language:English
Subjects:
Applied sciences
Atmospheric pollution
Chemistry
Exact sciences and technology
General and physical chemistry
Other pollution sources in industry
Pollution
Prevention and purification methods
Solid-gas interface
Surface physical chemistry
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Summary:Volatile organic compounds (VOCs) comprise more than 60% of total hazardous air pollutants that are emitted by major industrial point sources. Adsorption by an activated carbon fiber has been recognized as one of the feasible regenerative control processes to separate and recover VOCs for reuse. The adsorption behavior of hexane and benzene in a single-component and in a mixture system onto activated carbon fabric cloth was studied. The adsorption capacities were evaluated using the Langmuir adsorption isotherm model. Depending upon the design of the experiment, we have concluded that internal diffusion controls the adsorption of benzene and n-hexane on activated carbon cloth.
ISSN:0888-5885
1520-5045
DOI:10.1021/ie0105674