BENTONITE BARRIER COMPOSITIONS AND RELATED GEOSYNTHETIC CLAY LINERS FOR USE IN CONTAINMENT APPLICATIONS
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United States of America Patent
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Issued Date -
Aug 30, 2012
app pub date -
Jan 27, 2012
filing date -
Jan 28, 2011
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Abandoned
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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 geosynthetic clay liner comprising: at least one geosynthetic layer; and a bentonite barrier composition comprising: bentonite and a polyanionic low molecular weight polymer.
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