Chemical oxidation of hydrocarbon-contaminated soil: oxidant comparison study and soil influencing factors

The objective of this research is to investigate Fenton reaction, permanganate and persulfate oxidation as in-situ remediation technology for the treatment gasoline-diesel contaminated soil. These oxidants were compared in various soils study influence soil texture organic matter. different fractions hydrocarbons, which have been scarcely investigated, also analyzed compounds clustered into aliphatic aromatic hydrocarbons. Maximal removal rates obtained with (74%), followed by (60%) hydrogen peroxide (55%). High levels clay (silty soil) reduced efficiency hydrocarbon 18%. On other hand, 5% matter decreased effectiveness (18%). hydrocarbons while size increased, more oxidized than ones. In general, elimination percentages higher 80% are achieved chains >C6-C8 lower 20% those range >C21-C35.The results observed can be used increase improve design advanced processes treating gasoline diesel