1992
DOI: 10.1021/es00036a002
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Surfactants and subsurface remediation

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Cited by 475 publications
(271 citation statements)
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References 24 publications
(25 reference statements)
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“…The other mechanism, 'solubilization', occurs above the CMC when contaminants are partitioned from the soil into the hydrophobic core of surfactant micelles (Deshpande et al, 1999). With these processes, a surfactant can increase the solubility of organic contaminants or lower the interfacial tension to enhance the mobility of the organic contaminants (West and Harwell, 1992 (Paria, 2008;Khalladi et al, 2009;Huguenot et al, 2015). However, even though the use of surfactants in the subsurface was originally developed in the petroleum recovery area to increase the amount of extracted crude oils from the subsurface, the feasibility of the surfactant usage for highly NAPL contaminated soils or aquifer having free products (TPH concentration > 100,000 mg/kg) has not been evaluated yet.…”
Section: Surfactantsmentioning
confidence: 99%
“…The other mechanism, 'solubilization', occurs above the CMC when contaminants are partitioned from the soil into the hydrophobic core of surfactant micelles (Deshpande et al, 1999). With these processes, a surfactant can increase the solubility of organic contaminants or lower the interfacial tension to enhance the mobility of the organic contaminants (West and Harwell, 1992 (Paria, 2008;Khalladi et al, 2009;Huguenot et al, 2015). However, even though the use of surfactants in the subsurface was originally developed in the petroleum recovery area to increase the amount of extracted crude oils from the subsurface, the feasibility of the surfactant usage for highly NAPL contaminated soils or aquifer having free products (TPH concentration > 100,000 mg/kg) has not been evaluated yet.…”
Section: Surfactantsmentioning
confidence: 99%
“…Os tensoativos (surfactantes a ) possuem a capacidade de modificar algumas propriedades reacionais visando melhora na sensibilidade e/ou seletividade do método analítico, sendo que as principais características do seu uso estão relacionadas à formação de ambientes organizados, também conhecidos como ambientes micelares 6,8 .…”
Section: O Que é Ponto Nuvem? Como Ocorre a Separação De Fases?unclassified
“…Os tensoativos foram escolhidos por serem biodegradáveis e também pela sua ampla utilização na prospecção de petróleo, como componente de óleos automotivos, em fármacos, em produtos de higiene pessoal como xampus, em cosméticos, e em produtos domésticos como amaciantes, detergentes, entre outros 6,7 .…”
Section: Introductionunclassified
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“…Zhu et al (2003) attributed the change in HOCs' distribution coefficients on the surfactantmodified solids to the different structures between the sorbed surfactant thin film and bulk-like medium. Laboratory and in situ studies have been carried out to assess the usefulness of surfactants in remediating soils and aquifers that have been polluted by HOCs; mainly monocyclic and polycyclic aromatic hydrocarbons, chlorinated hydrocarbons (West and Harwell 1992;Sahoo and Smith 1997;Pascoe et al 1998). Similar investigations have been conducted with organic pesticides (Brixie and Boyd 1994;Hermosin et al 1998;Nir et al 2000;Carrizosa et al 2000).…”
Section: Introductionmentioning
confidence: 99%