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PNNL develops mercury-absorbing pollution solution

atments, 99.9 percent of the mercury in the simulated waste water was captured reducing levels from 145.8 parts per million to 0.04 parts per million. This is below the EPA's discharge limit of 0.2 parts per million.

The mercury-laden SAMMS also passed Washington State's Dangerous Waste regulatory limit of 0.2 parts per million allowing for safe disposal of the test solution directly to the sewer. Tests have shown that the mercury-laden SAMMS also passed EPA requirements for land disposal. "We expect this technology will result in huge savings to users who are faced with costly disposal of mercury in the waste stream."

Mattigod adds that SAMMS technology can be easily adapted to target other toxins such as lead, chromium and radionuclides.


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Contact: Geoff Harvey
Geoffrey.Harvey@pnl.gov
509-372-6083
DOE/Pacific Northwest National Laboratory
31-Mar-2004


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