Periodic operation effects in selective catalytic reduction of nitrogen monoxide with propane over alumina.
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概要
- 論文の詳細を見る
Selective reduction of nitrogen monoxide with propane over alumina was investigated under the periodic operation of the reactant gas concentration. As expected in advance from the mechanism reported, time-averaged conversion under periodic operation exceeded that under steady operation in the range of the period tested. The averaged conversion curve showed a maximum against the period and discussion was made on the mechanism of the appearance of the maximum. It is proposed that the appearance of the periodic operation effect in the reaction system resulted from the consecutive formation of the oxidized hydrocarbon intermediate through NO<SUB>2</SUB> and from the competitive consumption of the intermediate by NO and O<SUB>2</SUB>, which is fundamentally different from those of NO-CO reaction and CO oxidation over noble metal catalysts where self-poisoning adsorption of CO was proposed as the reasons. Simplified model calculations were made and the proposed mechanism of the periodic operation effect in the case was estimated.
- The Society of Chemical Engineers, Japanの論文
著者
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Aida Takashi
Department Of Chemical Engineering Graduate School Of Science And Engineering Tokyo Institute Of Tec
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Niiyama Hiroo
Department of Chemical Engineering, Tokyo Institute of Technology
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Kawakami Ryuji
Department of Chemical Engineering, Tokyo Institute of Technology
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Niiyama Hiroo
Department of Chemical Engineering and International Cooperation Center for Science and Technology, Tokyo Institute of Technology
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