Enhanced sorption of cadmium ion on highly ordered nanoporous carbon by using different surfactant modification

This paper reported, the effect of different type of surfactants on the adsorption of Cd(II) on ordered mesoporous carbon was investigated using cationic, anionic and non-ionic surfactant. The structural order and textural properties of the mesoporous adsorbents was studied by XRD and nitrogen adsor...

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Bibliographic Details
Published in:Microporous and mesoporous materials 2010-09, Vol.133 (1), p.45-53
Main Authors: Yazdankhah, A., Moradi, S.E., Amirmahmoodi, S., Abbasian, M., Shoja, S. Esmaeily
Format: Article
Language:English
Subjects:
Adsorption
Cadmium
Cadmium ion
Carbon
Cationic
Chemistry
Colloidal state and disperse state
Exact sciences and technology
General and physical chemistry
Highly ordered nanoporous carbon
Isotherms
Langmuir isotherm
Nanostructure
Porous materials
Sorption
Surface physical chemistry
Surfactant
Surfactants
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Summary:This paper reported, the effect of different type of surfactants on the adsorption of Cd(II) on ordered mesoporous carbon was investigated using cationic, anionic and non-ionic surfactant. The structural order and textural properties of the mesoporous adsorbents was studied by XRD and nitrogen adsorption. Adsorption experiments were conducted in batch mode with the variables such as amount of agitation speed, contact time, temperature, initial solution concentration and solution pH. The Cd(II) removal for cationic surfactant cetylpyridinium chloride (CPC), non-ionic surfactant Triton X-100 (TX), anionic surfactant sodium dodecyl sulfate (SDS) modified mesoporous carbon and unmodified mesoporous carbons were found to be 94.5%, 88.4%, 84% and 68%, respectively. The sorption data were correlated better with the Langmuir adsorption isotherm than Freundlich isotherm.
ISSN:1387-1811
1873-3093
DOI:10.1016/j.micromeso.2010.04.012