The developed innovative and green electrolyzed catalysis (EC) system can generate high concentrations of hydroxyl radical (OH·) and nanobubbles, which can remediate TPH-contaminated soil and groundwater effectively and economically. The EC system applies high voltage and high electric field and uses direct current to change the structure of water molecular. Under activities of high voltage and catalysts and electrolysis reactions, the electric discharges can produce EC water containing ·OH for TPH oxidation without secondary pollution. Nanobubbles can produce ·OH continuously after bursting.
The innovative EC and catalyst system can produce high concentrations of hydroxyl radicals (OH·) and nanobubbles for TPH-contaminated polluted site remediation. Electric discharges between catalyzed electrodes can produce EC water (ECW) for pollutant oxidation. Acidic and alkaline water can be produced for further application. Nanobubbles can produce OH· continuously after bursting. Reaction mechanisms of ECW and nanobubbles have been evaluated. EC prototype contains a series of electrode pairs, which can significantly enhance OH· production. Developed catalysts can improve the OH· production efficiency.
Conventional remedial methods are expensive and they may result in secondary pollution. The developed EC and catalyst system can effectively enhance remediation efficiency and reduce the cost significantly, and thus, the technology is very competitive. Due to the disclosure of numerous contaminated sites, the remediation market will grow rapidly in developing countries. We will work with consulting firms to strive for the remediation projects in these countries. The system can contribute to risk reduction, revitalization of contaminated sites with low cost, and sustainable society development.

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