Methods of using improved bentonite barrier compositions and related geosynthetic clay liners
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United States of America Patent
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Sep 12, 2017
Grant Date -
Aug 30, 2012
app pub date -
Jan 27, 2012
filing date -
Jan 28, 2011
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Abstract
The present invention relates to improved bentonite barrier compositions having enhanced low permeability over time in containment applications. Of the many embodiments provided herein, one embodiment includes a method comprising: providing a bentonite barrier composition comprising: bentonite; and a polyanionic low molecular weight polymer; and forming a containment using the bentonite barrier composition to provide at least partial separation for a containment from its environment.
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