Effect of dissociation on the absorption rate of dilute SO2.
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概要
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Absorption of dilute SO2 in water, aqueous solutions of H2SO4, NaHSO3 and Fe(II)-edta was theoretically and experimentally investigated. It was found that the dissociation of SO2 in solutions (SO2+H2O→←HSO-3+H+) has a remarkable effect on its absorption rate. The presence of H2SO4 or NaHSO3 prevents the dissociation of SO2, resulting in lower absorption rate than that in pure water. The absorption rate in Fe(II)-edta solution was found to be faster than that into water because of the buffer capacity of Fe(II)-edta solution. The experimental results are satisfactorily explained by the theory of gas absorption accompanied by instantaneous reversible reactions.
- 公益社団法人 化学工学会の論文
著者
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Teramoto Masaaki
Department Of Chemistry And Material Technology Kyoto Institute Of Technology
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Teranishi Hiroshi
Department of Chemistry, Faculty of Technology, Kyoto Institute of Technology
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KIDO KIMIKAZU
Department of Industrial Chemistry, Kyoto Institute of Technology
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