Fixed-bed breakthrough curves in binary and ternary trace component adsorption from aqueous solutions.
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概要
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Concentration history was studied when aqueous solutions of binary and ternary component systems were fed to the fixed-bed of activated carbon granules. The systems studied were phenol-benzoic acid, benzoic acid-para-nitrophenol and phenol-benzoic acid-para-nitrophenol of several concentration ranges. Because of different adsorptivity for each component, breakthrough curves observed for less-adsorbable component showed a typical profile consisting of four parts, namely, first adsorption zone, first equilibrium-attained zone, second adsorption zone and second equilibrium-attained zone. More-adsorbable component appeared in the last two zones described above. These zones, especially the first equilibrium-attained zone and the second adsorption zone, were studied with respect to their lengths and amount adsorbed, based on simple assumptions and the constant-pattern concept. Furthermore, breakthrough curves were obtained for the ternary system to show that the above discussion is valid for the system.
- 公益社団法人 化学工学会の論文
著者
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Takeuchi Yasushi
Department Of Applied Chemistry Graduate School Of Engineering Osaka University
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WASAI TOMOHIRO
Department of Industrial Chemistry, Meiji University
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SUGINAKA SHUNJI
Department of Industrial Chemistry, Meiji University
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