Adsorption of Bisphenol-A by HDTMA Modified Clinoptilolite

Abstract:

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The adsorption of bisphenol-A (BPA) by hexadecyl trimethyl ammonium bromide (HDTMA) modified clinoptilolite was presented. In this paper, the equilibrium adsorption of BPA by HDTMA modified clinoptilolite was described by Freundlich isotherm with a correlation coefficient's square (R2) of 0.988. The kinetics of adsorption was defined by second-order kinetics with a rate constant (Kv) of 1.98 g/mg/h. The absorption rate was fast, and the liquid solid equilibrium was accomplished within 180 minutes. The effects of initial solution pH, and reaction temperatures had been estimated, showing that the adsorption was enhanced gradually by increasing pH value.

Info:

Periodical:

Edited by:

Dongye Sun, Wen-Pei Sung and Ran Chen

Pages:

717-721

DOI:

10.4028/www.scientific.net/AMM.71-78.717

Citation:

H. Y. Wang et al., "Adsorption of Bisphenol-A by HDTMA Modified Clinoptilolite", Applied Mechanics and Materials, Vols. 71-78, pp. 717-721, 2011

Online since:

July 2011

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$35.00

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