A rate equation for gas-solid reactions accounting for the effect of solid structure and its application.
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概要
- 論文の詳細を見る
An integrated form of the rate equation for gas-solid reactions is proposed, taking into account the effect of solid structure on the reactivity of the solid. The rate equation is verified by the oxidation of iron sulfide particles, which follows the volume reaction model, with solid structure being varied due to different extent of sintering. The rate constant based on unit particle volume takes distinct value depending on the structure of the solid phase, yielding identical apparent activation energy. The surface rate constant is then evaluated on the basis of the effective surface area for the reaction being separated from the solid structure and is correlated in an Arrhenius equation. The proposed rate equation is approved to embrace a variety of kinetic equations used not only in the volume reaction model but in the grain model, in shrinking core kinetics, and in the gasification of a porous particle.
- 公益社団法人 化学工学会の論文
著者
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Tone Setsuji
Department Of Chemical Engineering Faculty Of Engineering Science Osaka University
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Kimura Shoichi
Department of Applied Chemistry Faculty of Engineering Osaka City University
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Tone Setsuji
Department of Chemical Engineering, Osaka University
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OTAKE TSUTAO
Department of Chemical Engineering, Faculty of Engineering Science, Osaka University
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TAKAGI YOSHIKAZU
Department of Chemical Engineering, Osaka University
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TAKAGI YOSHIKAZU
Department of Chemical Engineering, Faculty of Engineering Science, Osaka University
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KIMURA SHOICHI
Department of Chemical Engineering, Osaka University
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