Intraparticle diffusion of phenols within bidispersed macroreticular resin particles.
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概要
- 論文の詳細を見る
Uptake curves were obtained for phenol, <I>p</I>-chlorophenol and <I>p</I>-nitrophenol/XAD-2000 resin systems using a shallow-bed method for various concentration ranges at 288.2, 298.2, 308.2 and 318.2 K. Both distilled water and a 20% aqeuous solution of isopropanol were employed as solvents, to vary the molecular diffusivity of the solutes. The values of effective intraparticle diffusivity were determined by comparing experimental and theoretical uptake curves. The values obtained for both solvents, i.e., distilled water and propanol/water mixture systems, were not dependent on the amount adsorbed in the higher concentration range. Those results show that, except in the region where there is a low adsorbed amount, an adsorber packed with macroreticular resin particles can be designed using a traditional pore diffusion model.
- The Society of Chemical Engineers, Japan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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Furuya Eiji
Department Of Applied Chemistry Meiji University
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Noll Kenneth
Pritzker Department of Environmental Engineering, Illinois Institute of Technology
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