Water/chlorocarbon Winsor I = III = II microemulsion phase behavior with alkyl glucamide surfactants
Article Abstract:
A study of the microemulsification of chlorocarbons that contaminate aquifers reveals that it is possible to generate classical Winsor I = II = III behavior with almost all of the chlorocarbons studied. The anionic surfactants alkyl glucamides-glucamine with either n-heptanoic, n-nonanoic or n-dodecanoic acids as well as the Guerbet version of the dodecanoic acid produced classical Winsor I = II = III phase behavior with chlorinated hydrocarbons that include tetrachloroethylene, carbon tetrachloride, 1,1,1-trichloroethane, trichloroethylene, 1,2-dichlorobenzene, 1,2-dichloroethane, chloroform, methylene chloride and 1,1,2,2-tetrachloroethane.
Publication Name: Environmental Science & Technology
Subject: Science and technology
ISSN: 0013-936X
Year: 1996
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Determination of alkyl sulfate surfactants in natural waters
Article Abstract:
A gas chromatography technique was developed for alkyl sulfate (AS) analysis and its application in sewage treatment are discussed. A reverse-phase extraction column followed by strong anionic and cationic exchange column cleanup steps are utilized by the method. Isolation and derivatization efficiency determined the performance of the method in measuring AS concentrations in natural water. AS removal exceeded 90 percent in two trickling treatment plants, while AS was not detected in the receiving streams monitor.
Publication Name: Environmental Science & Technology
Subject: Science and technology
ISSN: 0013-936X
Year: 1992
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New approach for estimating alcohol partition coefficients between nonaqueous phase liquids and water
Article Abstract:
A new approach proved very useful in estimating the partition coefficients of alcohol tracers partitioning between nonaqueous phase liquid and water. The new approach, which is based on the concept of equivalent alkane carbon number, is more simple and accurate. Furthermore, the approach could be used for a variety of chlorocarbons and mixtures of chlorocarbons and hydrocarbons.
Publication Name: Environmental Science & Technology
Subject: Science and technology
ISSN: 0013-936X
Year: 1998
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