Ironing Out A Poison | Chemical & Engineering News
 
 
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Web Date: September 20, 2010

Ironing Out A Poison

Ecosystem remediation: Berkeley scientists propose iron to block methylmercury production in restored wetlands
Department: Science & Technology
News Channels: Environmental SCENE
Keywords: methylmercury, wetlands, iron, anaerobic bacteria, ecosystem remediation

A number of states have begun breaching dykes along their coasts to restore tidal wetlands that engineers once drained for farming and development. Although this practice brings back vital ecosystems, there's a hidden cost: During the restoration, inorganic mercury in drained wetland sediments can transform into methlymercury, the more toxic, bioavailable form of the metal. Now researchers from the University of California, Berkeley, report that they can limit methylmercury production by infusing the sediments with . . .

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