Application of Response Surface Methodology (RSM) on Adsorption of Cs Ion in Aqueous Solution with Zeolite X Synthesized from Coal Fly Ash 


Vol. 23,  No. 4, pp. 413-420, Dec.  2017
10.7464/ksct.2017.23.4.413


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  Abstract

The batch experiments and response surface methodology (RSM) have been applied to the investigation of the Cs adsorption with zeolite X synthesized using coal fly ash generated from the thermal power plant. Regression equation formulated for Cs adsorption was represented as a function of response variables. The model was highly relevant because the decision coefficient (r2) was 0.9630. It was confirmed from the statistical results that the removal efficiency of Cs was affected by the order of experimental factors as pH > Cs concentration > temperature. The adsorption kinetics were more accurately represented by a pseudo second-order model. The maximum adsorption capacity calculated from the Langmuir isotherm model was 151.52 mg g-1 at 293 K. Also, according to the thermodynamic parameters calculated from Vant Hoff equation, it could be confirmed that the adsorption reaction was an endothermic reaction and a spontaneous process.

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  Cite this article

[IEEE Style]

L. CH and L. MG, "Application of Response Surface Methodology (RSM) on Adsorption of Cs Ion in Aqueous Solution with Zeolite X Synthesized from Coal Fly Ash," Clean Technology, vol. 23, no. 4, pp. 413-420, 2017. DOI: 10.7464/ksct.2017.23.4.413.

[ACM Style]

Lee CH and Lee MG. 2017. Application of Response Surface Methodology (RSM) on Adsorption of Cs Ion in Aqueous Solution with Zeolite X Synthesized from Coal Fly Ash. Clean Technology, 23, 4, (2017), 413-420. DOI: 10.7464/ksct.2017.23.4.413.

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pISSN : 1598 - 9712
eISSN : 2288 - 0690

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