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Treatment of Heavy Metals and Elimination of Sulfur with a Novel Sulfate Reducing Permeable Reactive Barrier Containing ZVI
Internet-based seminar
Hosted by U.S. EPA

Acid mine drainage and acid rock drainage contain sulfuric acid together with heavy metals. Biological treatment often relies on sulfate reducing bacteria which use organic electron donating substrates to enable bacteria to reduce sulfate to sulfide, subsequently sulfides precipitate heavy metals. However, excess sulfides are released from the treatment system, so the process is not very effective in removing sulfur. Excess sulfides have oxygen demand, are corrosive and malodorous. A process developed at the University of Arizona uses zero vale ...  [click for more]

For general information contact Justin Crane by telephone at 919 794-4702
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