Tuning water’s bonds kept wastewater pollutant removal near 95% for 500 hours
Researchers increased the production of hydroxyl radicals in an electrochemical wastewater-treatment system by adding iron ions that changed the hydrogen-bond structure of water near the electrode. The system maintained about 95% contaminant removal during 500 hours of flow operation and was estimated to cost 44.3% less than conventional boron-doped diamond electrodes.
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