ADSORPTION OF 4-NONYLPHENOL ON 1,1'-DIOCTYL-4,4'-BIPYRIDINIUM-SMECTITE INTERCALATION COMPOUNDS FROM AQUEOUS SOLUTION(2010 TMC Special Paper)
スポンサーリンク
概要
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Dioctylviologen (1,1'-dioctyl-4,4'-bipyridinium) modified smectites (Kunipia F and Sumecton SA) were prepared by cation exchange reactions and used as adsorbents of 4-nonylphenol from aqueous solution. Quantitative cation exchanges between smectites and dioctylviologen dibromide were confirmed by the thermal, elemental and XRD analyses. The dioctylviologen-smectites adsorbed 4-nonylphenol from aqueous solution. The adsorbed amount of 4-nonylphenol varied, depending on the nature of smectites, when the adsorption was conducted from lower concentration (less than 0.5ppm) solutions. The adsorption isotherm on dioctylviologen exchanged Sumecton SA was fitted to Langmuir model, while the adsorption on the Kunipia F intercalate is less effective from the low concentration solutions. With increasing the amount of the adsorbed 4-nonylphenol, the basal spacings of the adsorbents decreased, suggesting that the adsorption of 4-nonylphenol was displacement of the intercalated water in the dioctylviologen intercalates.
著者
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OKADA TOMOHIKO
Department of Chemistry and Material Engineering, Shinshu University
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OGAWA MAKOTO
Graduate School of Science and Engineering, Waseda University
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Okada Tomohiko
Department Of Chemistry And Material Engineering Faculty Of Engineering Shinshu University
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Ogawa Makoto
Graduate School Of Science And Engineering Waseda University:department Of Earth Sciences Waseda Uni
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Ogawa Makoto
Graduate School Of Creative Science And Engineering Waseda University
関連論文
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