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HomeMaterials Science ForumMaterials Science Forum Vols. 675-677Adsorption of H2S and SO2 on Activated Carbon...

Adsorption of H₂S and SO₂ on Activated Carbon Fibers Modified by Ammonium Nitrate

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Abstract:

The enhancement effect of using PAN-based carbon fibers surface modified by ammonium nitrate for removing SO2 and H2S in moist air at room temperature was characterized and investigated. The pore structure of the samples so prepared was examined by adsorption measurement. Surface groups introduced by treatment with ammonium nitrate was assessed by xray photoelectron spectroscopy. The results show that the amount of sulfur dioxide and hydrogen sulfide adsorbed with the treated carbon fibers are increased by 112% and 93% and ammonium nitrate treatment improved original carbon fibers adsorption performance, not only by introducing nitrogen surface groups, but also by extending the surface area.

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Advanced Material Science and Technology

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Periodical:

Materials Science Forum (Volumes 675-677)

Pages:

1065-1068

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.675-677.1065

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Online since:

February 2011

Authors:

Da Song He, Cun Ping Liu, Sheng Guo, Xiu Ying Li

Keywords:

Activated Carbon Fiber (ACF), Ammonia Treatment, Surface Treatment

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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