Selection of oxidant doses for in situ chemical oxidation of soils contaminated by polycyclic aromatic hydrocarbons (PAHs): A review

Journal of Hazardous Materials
B RancMarie-Odile Simonnot

Abstract

In situ chemical oxidation (ISCO) is a promising alternative to thermal desorption for the remediation of soils contaminated with organic compounds such as polycyclic aromatic hydrocarbons (PAHs). For field application, one major issue is the selection of the optimal doses of the oxidizing solution, i.e. the oxidant and appropriate catalysts and/or additives. Despite an extensive scientific literature on ISCO, this choice is very difficult because many parameters differ from one study to another. The present review identifies the critical factors that must be taken into account to enable comparison of these various contributions. For example, spiked soils and aged, polluted soils cannot be compared; PAHs freshly spiked into a soil are fully available for degradation unlike a complex mixture of pollutants trapped in a soil for many years. Another notable example is the high diversity of oxidation conditions employed during batch experiments, although these affect the representativeness of the system. Finally, in this review a methodology is also proposed based on a combination of the stoichiometric oxidant demand of the organic pollutants and the design of experiments (DOE) in order to allow a better comparison of the various st...Continue Reading

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Citations

May 31, 2019·International Journal of Environmental Research and Public Health·Junping TianYanbin Wu
Jul 26, 2019·Environmental Microbiology Reports·Pierre SivadonRégis Grimaud
Mar 27, 2018·Environmental Science and Pollution Research International·Xiaori FuQian Sui
May 2, 2020·Environmental Science and Pollution Research International·YueHua LiLiang Chen
Mar 17, 2017·Environmental Science and Pollution Research International·Bérénice RancMarie-Odile Simonnot
Sep 5, 2019·International Journal of Environmental Research and Public Health·Elena Cristina RadaElena Romenovna Magaril
Aug 9, 2020·Journal of Hazardous Materials·I BouzidN Fatin-Rouge
Sep 6, 2020·The Science of the Total Environment·Carmen M DominguezAurora Santos
Oct 14, 2021·Environmental Science and Pollution Research International·Clotilde JohanssonPierre Faure
Nov 19, 2021·Environmental Science and Pollution Research International·Christina Makri, Thomas J Aspray

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