Soil Washing to Eliminate Polycyclic Aromatic Hydrocarbons from Petroleum Contaminated Soil - Temperature Effect

Abstract

This study’s goals were to identify the components of polycyclic aromatic hydrocarbons (PAHs) in soil samples polluted with petroleum and to ascertain how temperature affected the removal of PAHs pollutants from petroleum-contaminated soil. The concentration of contaminants in the soil samples decreased from 46.22-12.07 ppm to 77.01-30.06 ppm at a temperature increase of 20–160°C, as shown by the results of this study, which are also supported by the percentage removal efficiencies of 22.22–79.69% and 32.90–73.81% for samples M and S, respectively. It was further discovered that 160℃ was the ideal temperature range for soil washing to eliminate the pollutants. High removal efficiency values demonstrated the efficacy of the soil washing approach in removing pollutants with high PAH concentrations. This information can help in the creation of more successful and affordable soil remediation techniques.