REGENERATION OF STYRENE-DIVINYLBENZENE COPOLYMER MICROCAPSULES CONTAINING TRI-N-OCTYL AMINE
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概要
- 論文の詳細を見る
Regeneration of microcapsules was carried out by stripping the extracted propionic acid with distilled water and aqueous NaOH solution based on data obtained for a liquid-liquid system. Concerning the stripping behavior with distilled water, the stripping reactions can be successfully expressed as the reverse formula of the extraction reactions. The stripping ratio was found to be a function of the concentrations of the extracted propionic acid in organic solution and the propionic acid in aqueous solution at equilibrium. For aqueous NaOH solution, on the other hand, the stripping could be expressed by the following stoichiometric reaction in the organic solution in both the liquid-liquid and the microcapsule systems.(HA) B (HA)n–1 + nNaOH = B + nNaA + nH2OPerfect stripping was achieved when the molar ratio of NaOH to propionic acid was larger than unity.The microcapsule extraction system showed the same extraction capacity after repetitive extraction and stripping of propionic acid.
- 社団法人 化学工学会の論文
- 1993-12-01
著者
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UEMURA Yoshimitsu
Department of Applied Chemistry and Chemical Engineering
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HATATE Yasuo
Department of Applied Chemistry and Chemical Engineering
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吉澤 秀和
岡山大学 環境理工学部 物質環境科学科
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KAWANO Yoshinobu
Department of Applied Chemistry, Miyazaki University
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YOSHIZAWA HIDEKAZU
Department of Environmental Chemistry and Materials, Faculty of Environmental Science and Technology
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河野 恵宣
宮崎大学工学部
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Kawano Yoshinobu
Department Of Applied Chemistry Miyazaki University
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Yoshizawa Hidekazu
Department Of Environmental Chemistry And Materials Okayama University
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Yoshizawa Hidekazu
Department of Applied Chemistry and Chemical Engineering, Faculty of Engineering, Kagoshima University
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