Abstract

NO adsorption over powder activated carbon in a fluidized bed reactor has been studied. NO could be adsorbed by fluidized powder activated carbon. This study showed that lower reaction temperature gave more amount of NO adsorption. When no oxygen was present, the amount of NO adsorption was little. With increasing oxygen content, the amount of NO adsorption increased. Although NO <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sub> was not detected in the reaction time of 8 minutes, NO might be oxidized into NO <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sub> over activated carbon and then NO <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sub> was adsorbed onto activated carbon. Because there was competition adsorption between H <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sub> O and NO over activated carbon, H <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sub> O inhibited adsorption of NO.

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