In this work we explore the use of biochar as a remediation agent, and the sensitivity of the spectral induced polarization (SIP) method as a remediation monitoring aid. Biochar amended columns were fully saturated with industrial wastewater (olive oil mill waste) with very high concentration of phenols (∼2485 mg/L) and other substances. The biochar amended columns achieved very high removal rates of phenols compared to the control (sand only). Geophysical monitoring over the duration of the experiment (10 days) showed changes in the SIP signal (imaginary conductivity) consistent with phenol removal as confirmed with geochemical monitoring. This experiment confirmed the utility of biochar as a remediation agent. Furthermore, SIP can serve as long term, high resolution, monitoring aid in organic contaminant degradation processes.
Student thesis: Doctoral Thesis › Doctor of PhilosophyFile