Use of encapsulated substrates that control the release rates of organic hydrogen donors
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United States of America Patent
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Sep 8, 2015
Grant Date -
Oct 23, 2014
app pub date -
Apr 19, 2013
filing date -
Apr 19, 2013
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Abstract
Anaerobic reductive dechlorination processes remove chlorinated solvents from contaminated subsurface soil and ground water. The presence of organic hydrogen donors enables anaerobic microorganisms present in the subsurface soil and groundwater to accelerate the reductive dechlorination process. The present invention provides an alternative method to control the release rate of organic hydrogen donors during dechlorination. The invention utilizes encapsulated substrates to control the release rate of organic hydrogen donors, therefore accelerating the biotic process of anaerobic reductive dechlorination.
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