Surfactant remediation field demonstration using a vertical circulation well

A field demonstration of surfactant-enhanced solubilization was completed in a shallow unconfined aquifer located at a Coast Guard Station in Traverse City, Michigan. The primary objectives of the study were: to assess the ability of the vertical circulation well (VCW) system for controlling chemica...

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Bibliographic Details
Published in:Ground water 1997-11, Vol.35 (6), p.948-953
Main Authors: Knox, R.C, Sabatini, D.A, Harwell, J.H, Brown, R.E, West, C.C, Blaha, F, Griffin, C
Format: Article
Language:English
Subjects:
2,2,4-TRIMETHYLPENTANE
2,2,5-TRIMETHYLHEXANE
23-DIMETHYLPENTANE
AGUAS SUBTERRANEAS
ALKANES
AQUIFERS
CAPA FREATICA
EAU SOUTERRAINE
Environmental aspects
Field study
GROUNDWATER
GROUNDWATER EXTRACTION
GROUNDWATER POLLUTION
GROUNDWATER TABLE
HALOGENATED HYDROCARBONS
HIDROCARBUROS
HIDROCARBUROS HALOGENADOS
HYDROCARBONS
HYDROCARBURE
HYDROCARBURE HALOGENE
JET FUEL
NAPPE SOUTERRAINE
Oil spills
PETROLE
PETROLEO
PETROLEUM
Pollution
POLLUTION DE L'EAU SOUTERRAINE
POLUCION DE AGUAS SUBTERRANEAS
POZOS
PUITS
PURIFICACION DEL AGUA
PURIFICATION DE L'EAU
Soil disinfection
SOLUBILIDAD
SOLUBILITE
SOLUBILITY
SURFACE ACTIVE AGENTS
SURFACTANT
SURFACTANTES
TETRACHLOROETHYLENE
WATER PURIFICATION
Water, Underground
WELLS
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Summary:A field demonstration of surfactant-enhanced solubilization was completed in a shallow unconfined aquifer located at a Coast Guard Station in Traverse City, Michigan. The primary objectives of the study were: to assess the ability of the vertical circulation well (VCW) system for controlling chemical extractants added to the subsurface; and to assess the behavior of the surfactant solution in the subsurface, with a goal of maximum surfactant recovery. A secondary objective was to demonstrate enhanced removal of PCE and recalcitrant components of a jet fuel. The analytical results showed that the surfactant increased the contaminant mass extracted by 40-fold and 90-fold for the PCE and jet fuel constitutents, respectively. The surfactant solution demonstrated minimal sorption (retardation) and did not precipitate in the subsurface formation. In addition, the VCW system was able to capture in excess of 95% of the injected surfactant solution. Additional field testing and full-scale implementation of surfactant-enhanced subsurface remediation should be performed
ISSN:0017-467X
1745-6584
DOI:10.1111/j.1745-6584.1997.tb00166.x