Journal
CARBON
Volume 39, Issue 12, Pages 1803-1808Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0008-6223(00)00320-1
Keywords
activated carbon; carbon fibers; catalytic properties; surface properties
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Nitrogen-containing functional groups were introduced onto the surface of activated carbon fibers (ACF) by activating an ethylene tar pitch-based carbon fiber with ammonia water. The activity of the ACF for the conversion of SO2 to aq. H2SO4 in the presence of H2O and O-2 is significantly higher than that of other commercial ACF studied before. Both the SO2 adsorption capacity and oxidation activity of ACF are enhanced very much by the nitrogen-containing functional groups. (C) 2001 Elsevier Science Ltd. All rights reserved.
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