Electronically Induced Redox Barriers for Treatment of Groundwater: Cost & Performance Report
2006
Sale, Tom | Gilbert, David
Given success with a demonstration, there is an opportunity for a full-scale e-barrier that could replace an existing high-cost pump-and-treat system. In summary, data presented in this report describes substantive progress in demonstrating a new technology for managing contaminated groundwater at DoD facilities. At present, it is not clear that either cost or efficacy results will drive near-term widespread use of the technology for chlorinated ethenes. On the other hand, the technology holds promise for energetic compounds in groundwater. Our hope is that success with energetic compounds will lead to further refinement and broad use of the technology. The concept of an e-barrier is that a panel of closely spaced permeable electrodes is installed in a trench that intercepts a plume of contaminated groundwater. Application of an electrical potential to the electrodes imposes oxidizing conditions at the positive electrode and reducing conditions at the negative electrode. Using electrodes to deliver and recover electrons, thermodynamic conditions are shifted to drive transformation of target compounds to nontoxic products.
اظهر المزيد [+] اقل [-]The original document contains color images. Prject No. ER-0112.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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