Screening commercial surfactants suitable for remediating DNAPL source zones by solubilization

Article Abstract:

Researchers from the University of Florida presented two methods that use surfactants to remove dense non-aqueous-phase-liquids (DNAPLs) from porous media.

University of Florida

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Micromodel study of surfactant foam remediation of residual trichloroethylene

Article Abstract:

Researchers from the Texas A&M University conducted a micromodel study to investigate a technique in remediating residual trichloroethylene using surfactant foam.

Research and Testing Services, Scientific Research and Development Services, All Other Basic Organic Chemical Manufacturing, Industrial organic chemicals, not elsewhere classified, Trichloroethylene, Research & Development-Universities, Chemical industry, Texas A&M University, University research

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Field implementation of a Winsor type I surfactant/alcohol mixture for in situ solubilization of a complex LNAPL as a single-phase microemulsion

Article Abstract:

An evaluation of a surfactant/alcohol mixture used to treat a multicomponent nonaqueous phase liquid (NAPL) reveals that the surfactant was effective in removing 90% to 95% of the most prevalent NAPL ingredients. The surfactant was a mixture of 1-pentathol and polyoxyethylene(10)oleyl ether and the NAPL contained more than 200 ingredients and a 'pitch' fraction that was not 'solvent-extractable.'

Research and Development in the Physical, Engineering, and Life Sciences, Pollution R&D NEC, Surfactants NEC, Evaluation, Soil pollution, Contamination, Pollution control research, Aquifers

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