Solubilization of selected polycyclic aromatic compounds by nonionic surfactants

Mar Mar Swe, Liya E. Yu, Kun Chih Hung, Bing-Hung Chen

研究成果: Article

20 引文 (Scopus)

摘要

Solubilization of selected polycyclic aromatic compounds (PAC) by biodegradable nonionic surfactants, Tergitol 15-S-X (X = 7 or 9) and Neodol 25-7, was investigated and correlated with micellar properties of these surfactants. These PAC include dibenzofuran, phenanthrene, acenaphthene, fluoranthene, and 9-chloroanthracene. Tergitol surfactants are mixtures of secondary ethoxylated alcohols, and Neodol 25-7 is a mixture of similar species but has the alcohol group in the primary position. These surfactants have the same chain length of hydrophobic tails and similar numbers of ethylene oxides. The results show that the Neodol surfactant yields micelles having larger hydrophobic core volume and renders a higher solubilization capacity for the PAC solubilizates in comparison with Tergitol surfactants. In general, aggregation numbers and micellar sizes both increase at ele-vated temperatures still below the cloud point. The micellewater partition coefficients of these PAC by the nonionic surfactants were well correlated to their octanol-water partition coefficients. Moreover, an estimated log KOW value of 9-chloanthracene is 4.78. COPYRIGHT

原文English
頁(從 - 到)237-244
頁數8
期刊Journal of Surfactants and Detergents
9
發行號3
DOIs
出版狀態Published - 2006 九月 1

指紋

aromatic compounds
Aromatic compounds
Nonionic surfactants
Poloxalene
Surface-Active Agents
Surface active agents
surfactants
Alcohols
Octanols
Ethylene Oxide
partitions
alcohols
Micelles
Chain length
phenanthrene
Ethylene
Agglomeration
coefficients
ethylene oxide
Oxides

All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)
  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films

引用此文

Swe, Mar Mar ; Yu, Liya E. ; Hung, Kun Chih ; Chen, Bing-Hung. / Solubilization of selected polycyclic aromatic compounds by nonionic surfactants. 於: Journal of Surfactants and Detergents. 2006 ; 卷 9, 編號 3. 頁 237-244.
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Solubilization of selected polycyclic aromatic compounds by nonionic surfactants. / Swe, Mar Mar; Yu, Liya E.; Hung, Kun Chih; Chen, Bing-Hung.

於: Journal of Surfactants and Detergents, 卷 9, 編號 3, 01.09.2006, p. 237-244.

研究成果: Article

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