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Effect of Fractal Dimension of Powder Activated Carbon on SO2 Adsorption

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Abstract:

Five kinds of powder activatedcarbons were studied to investigate the removal of SO2 from flue gasin a fixed bed reactor. The fractal dimension of activated carbon was determined by N2 adsorption isothermat 77Kand SO2 adsorptioncapacity was correlated with thefractal dimension. The results show thatthe activated carbons prepared from different precursors by differentactivation methods have different fractal dimension. Big differences in SO2 adsorption capacity are found between fivekinds of activated carbons. SO2 adsorption capacity increases with the fractaldimension increasing. The results indicate that the fractal dimension could be used as a indicator of SO2removal capacity on powder activated carbon.

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Periodical:

Advanced Materials Research (Volumes 955-959)

Pages:

2169-2172

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.955-959.2169

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Online since:

June 2014

Authors:

Bing Li*, Jian Ming Xue, Yue Yang Xu, Hong Liang Wang, Chun Yuan Ma, Jian Min Chen

Keywords:

Activated Carbon, Adsorption, Fractal Dimension, SO2

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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