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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 663Enhanced Adsorption for P-Chlorophenol by Ammonia...

Enhanced Adsorption for P-Chlorophenol by Ammonia Modified Activated Carbon

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Abstract:

To investigate the influence of N-containing surface functional groups on adsorption capacity of AC, the activated carbon (AC) was modified with ammonia gas at 650 °C. Surface functional groups were quantitatively analyzing by Boehm titration. The effect of temperature on adsorption capacity suggested higher temperature is favourable. The influence of pH indicated the adsorption was favorable in acidic solution. The adsorption isotherms were fitted by Langmuir model and Freundlich model. Moreover, kinetic studies showed the adsorption of phenol onto adsorbents was followed by pseudo-second-order kinetic model. The adsorption capacity of ammoniated AC for p-chlorophenol was greatly improved.

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Periodical:

Advanced Materials Research (Volume 663)

Pages:

807-812

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.663.807

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Online since:

February 2013

Authors:

Guo Yang, Yan Jie, Hu Yang, Chen Hong Zhang

Keywords:

Activated Carbon, Adsorption, Ammonia, Chlorophenol

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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