The Environmental Protection Agency has a Nanotechnology Research Program that is investigating ways to reduce or prevent pollution. Researchers recently added a nanoparticle iron/palladium bimetallic to activated carbon, which is normally used to absorb contaminants at polluted sites. This increased the carbon’s effectiveness at trapping and isolating PCB contaminants, as well as aided in making those contaminants less harmful and more biodegradable. Nano iron particles have also been shown to be successful in treating groundwater polluted with tetrachloroethylene and its sister products.
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