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DECONTAMINATION OF PETROLEUM-CONTAMINATED SOILS USING THE ELECTROCHEMICAL TECHNIQUE: REMEDIATION DEGREE AND ENERGY CONSUMPTION
Streche, C., D.M. Cocarta, I.-A. Istrate, and A.A. Badea.
Scientific Reports 8:3272(2018)

Two types of electrochemical treatment experiments were conducted using soils artificially contaminated with diesel fuel at the same level of contamination. The experimental conditions considered for each experiment were different amounts of contaminated soils (6 kg and 18 kg, respectively), the same current intensity level (0.25A and 0.5A), three different contamination degrees (1%, 2.5% and 5%) and the same application duration of the electrochemical treatment. The remediation degree concerning the removal of petroleum hydrocarbons from soil increased over time by ~20% over 7 days. With regard to energy consumption, results revealed that with about a triple increase in the quantity of treated soil, the specific energy consumption decreased from 2.94 kWh/kg of treated soil to 1.64 kWh/kg of treated soil. https://www.nature.com/articles/s41598-018-21606-4



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