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New Device Produces Hydrogen Peroxide for Water Purification

Schematic illustration of an on-site water purification system for rural communities. Powered by solar panels, the low-cost, portable device produces hydrogen peroxide from oxygen gas and water. Credit: Zhihua Chen/Stanford University

Schematic illustration of an on-site water purification system for rural communities. Powered by solar panels, the low-cost, portable device produces hydrogen peroxide from oxygen gas and water. Credit: Zhihua Chen/Stanford University

Many disease-causing organisms and organic pollutants can be quickly removed from water using H2O2 without leaving any harmful residual chemicals. However, producing and distributing hydrogen peroxide is a challenge in many parts of the world. Now scientists at the Dept of Energy’s SLAC National Accelerator Laboratory and Stanford University have created a small device for hydrogen peroxide production that could be powered by renewable energy sources, like conventional solar panels.

“The idea is to develop an electrochemical cell that generates hydrogen perox...

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