Abstract:
Laboratory phase behavior and soil column experiments were conducted using branched
alcohol propoxy sulfate surfactants to evaluate their effectiveness in removing
gasoline and diesel range hydrocarbons from contaminated groundwater. Very low
residual oil saturations were achieved with a much smaller amount of surfactant than
typically required in surfactant enhanced aquifer remediation (SEAR). This type of
surfactant has been shown to be both robust and efficient even when used at low
temperatures and without co-solvent.
Reference:
S. Jayanti, G. A. Pope, V. Weerasooriya, L. Zhong, V. Dwarakanath and T. Malik, "Use of
Surfactants to Recover Oils From Groundwater," SPE 66753, Proceedings of the
SPE/EPA/DOE Exploration and Production Environmental Conference, San Antonio, TX, 26Ð28,
February 2001.
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Last updated: April 25, 2002