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Title: Composition of n-dedocyl polyglucoside based middle phase microemulsions in surfactant-enhanced aquifer remediation
Authors: Yang, Xiaodeng
Li, Tianduo
Shi, Lei
Li, Junying
Chai, Jinling
Keywords: Microemulsions;Polyglucoside microemulsions;Middle phase microemulsions;Solubilization power;Surfactant enhanced aquifer remediation
Issue Date: Jul-2013
Publisher: NISCAIR-CSIR, India
Abstract: The composition and solubilization power of the middle phase microemulsion formed by n-dodecyl polyglucoside (APG)/ n-butanol/water/non-aqueous phase liquids (NAPLs) quaternary system have been studied. The hydrophile-lipophile balanced (HLB) plane equation for the quaternary system has been deduced. Some physicochemical parameter, such as the mass fraction of n-butanol in the HLB interfacial layer, the coordinates of the start and end points of the middle phase microemulsion, the mass fractions of APG and n-butanol in the total system, and the solubilities of APG and n-butanol in oil phase are calculated. The washing liquids prepared according to the physicochemical parameters of the n-dodecyl polyglucoside based middle-phase microemulsion have been used to wash the NAPLs adsorbed on soil. The results indicate that the APG based middle phase microemulsion is suitable in surfactant-enhanced aquifer remediation.
Page(s): 873-878
ISSN: 0975-0975(Online); 0376-4710(Print)
Appears in Collections:IJC-A Vol.52A(07) [July 2013]

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