Foam Separation of Dyes Using Anionic, Cationic, and Amphoteric Surfactants
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- Goto Yusuke
- Faculty of Education, Laboratory of Chemistry, Saitama University
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- Nema Yuya
- Faculty of Education, Laboratory of Chemistry, Saitama University
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- Matsuoka Keisuke
- Faculty of Education, Laboratory of Chemistry, Saitama University
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<p>Foam separation can selectively remove a target substance from a solution via adsorption of the substance with the surfactant at the surface of the bubble. A cationic dye, methylene blue, and an anionic dye, Fast Green FCF, were prepared as substances to be removed via foam separation. Anionic (sodium dodecyl sulfate, SDS), cationic (dodecyltrimethylammonium chloride, DTAC), and amphoteric (3-(dodecyldimethylammonio)propane-1-sulfonate, SB-12) surfactants were used in the foam separation process. The effectiveness of the surfactants for removing the cationic methylene blue increased as follows: DTAC < SB-12 < SDS. On the other hand, the effectiveness of the surfactants for removing the anionic Fast Green FCF was in the opposite order. The dyes were effectively adsorbed by the foams via electrostatic interactions between the oppositely charged surfactant and the dye molecules. Since amphoteric surfactants have both anionic and cationic charges in a molecule, they could effectively remove both dyes in the foam separation process. Therefore, it was found that the amphoteric surfactant was highly versatile. Analysis of the kinetics of the removal rate showed that the aqueous solutions of monomers could remove the dyes more effectively than micellar solutions in foam separation.</p>
収録刊行物
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- Journal of Oleo Science
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Journal of Oleo Science 69 (6), 549-555, 2020
公益社団法人 日本油化学会
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詳細情報 詳細情報について
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- CRID
- 1390848250116148224
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- NII論文ID
- 130007852803
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- NII書誌ID
- AA11503337
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- ISSN
- 13473352
- 13458957
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- NDL書誌ID
- 030424723
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- PubMed
- 32522916
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- PubMed
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