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Removal of Methylene Blue from Aqueous Solution by Powdered Expanded Graphite: Adsorption Isotherms and Thermodynamics

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Abstract:

The powdered expanded graphite (EG) was used as a porous adsorbent for the removal of the cationic dye, methylene blue (MB), from aqueous solution. The dye adsorption experiments were carried out with the bath procedure. Adsorption isotherms at different temperatures were determined and modeled with Langmuir and Freundlich equations. Thermodynamic parameters were calculated and correlated with the adsorption behaviors. The effects of solution pH on the adsorption were also studied.

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Info:

Periodical:

Advanced Materials Research (Volumes 424-425)

Pages:

1313-1317

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.424-425.1313

Citation:

Cite this paper

Online since:

January 2012

Authors:

Shui Cheng Tan, Peng Hui Shi, Rui Jing Su, Min Cong Zhu

Keywords:

Adsorption Isotherm, Expanded Graphite (EG), Methylene Blue (MB), Thermodynamic

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