Adsorption of low-concentration methylene blue onto a palygorskite/carbon composite

WU Xue-ping; XU Yan-qing; ZHANG Xian-long; WU Yu-cheng; GAO Peng

doi:10.1016/S1872-5805(15)60176-7

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WU Xue-ping, XU Yan-qing, ZHANG Xian-long, WU Yu-cheng, GAO Peng. Adsorption of low-concentration methylene blue onto a palygorskite/carbon composite. New Carbon Mater., 2015, 30(1): 71-78. doi: 10.1016/S1872-5805(15)60176-7

Citation:

WU Xue-ping, XU Yan-qing, ZHANG Xian-long, WU Yu-cheng, GAO Peng. Adsorption of low-concentration methylene blue onto a palygorskite/carbon composite. New Carbon Mater., 2015, 30(1): 71-78. doi: 10.1016/S1872-5805(15)60176-7

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Adsorption of low-concentration methylene blue onto a palygorskite/carbon composite

doi: 10.1016/S1872-5805(15)60176-7

1.
School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei 230009, China;
2.
School of Materials Science and Engineering, Hefei University of Technology, Hefei 230009, China

Funds: National Natural Science Foundation of China (51002042, 40902020, 51072044); Programs Foundation of Provincial Education Department of Anhui (2011AJZR0080); Fundamental Research Funds for the Central Universities (2013HGQC0015).

Received Date: 2014-05-27
Accepted Date: 2015-02-13
Rev Recd Date: 2014-12-09
Publish Date: 2015-02-28

Abstract

Abstract

A palygorskite/carbon composite was prepared through hydrothermal treatment of palygorskite and cellulose, and its adsorption behavior for methylene blue (MB) was investigated. The effect of adsorption conditions on the capacity and kinetics was also investigated. The adsorption kinetics of MB onto the composite is best described by a pseudo-second-order equation. The adsorption isotherms conform to the Langmuir isothermal adsorption equation. The adsorption thermodynamic parameters calculated from the isotherms indicate that the adsorption of MB on the composite is endothermic.
- Palygorskite/carbon,
- Methylene blue,
- Adsorption,
- Kinetics,
- Isotherm

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References(20)

References

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