Adsorptive characteristics of ion in foam separation techniques

被引:0
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作者
Katō, Keiichi [1 ]
Nakamori, Issei [1 ]
机构
[1] Dept. of Chem. Eng, Kyushu Univ, Fukuoka,812, Japan
关键词
Iron - Critical micelle concentration - Iron compounds - Sodium dodecyl sulfate - Phase interfaces - Metal ions - Chlorine compounds;
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摘要
Foam separation experiments were carried out in FeCl3-sodium lauryl sulfate (LNa) system in HCl acid solution, and the Langmuir adsorptive model was well fitted to the adsorption of iron ion independently of critical micelle concentration (CMC) and to the adsorption of LNa within CMC. It was estimated that iron ion hydrolyzes near the gas-liquid interface and Fe(OH)2+ is adsorbed, and surface excess of iron is calculated by the Gouy-Chapman theory of the diffusion double layer. The calculated values were in fair agreement with the experimental values within CMC and the authors got clues to the estimation of the metal ionic surface excess with complexes formation. © 1976, Society of Chemical Engineers, Japan. All rights reserved.
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页码:272 / 276
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