Methylene Blue Adsorption by Synthetic Nano-Carbon-Hydroxylapatite

Xian Hui Ma; Liu Ming Wu; Xiao Yao Guo; Mei Hua Zhang; An Liang Ma

doi:10.4028/www.scientific.net/AMR.664.326

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 664Methylene Blue Adsorption by Synthetic...

Methylene Blue Adsorption by Synthetic Nano-Carbon-Hydroxylapatite

Abstract:

Synthetic nano-carbon-hydroxylapatite was used to remove methylene blue (MB) from aqueous solution. The influence of various parameters such as reaction time, initial dye concentration and pH on the adsorption was investigated in batch mode and the adsorption mechanism was briefly discussed. The experimental results show that the uptake of MB was rapid and equilibrium could be reached in 30 minutes, and the uptake of MB increased with increasing initial dye concentration and pH. The pseudo-second-order model fits well to the kinetics and Henry adsorption isotherm can be used to describe the experimental data. The adsorption mechanism can be explained mainly by electrostatic attraction.

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Advanced Materials Research (Volume 664)

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326-330

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https://doi.org/10.4028/www.scientific.net/AMR.664.326

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Online since:

February 2013

Authors:

Xian Hui Ma, Liu Ming Wu, Xiao Yao Guo, Mei Hua Zhang, An Liang Ma

Keywords:

Adsorption Isotherm, Adsorption Kinetics, Methylene Blue (MB), Nano-Carbon-Hydroxylapatite

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