Treatment of tailings streams
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United States of America Patent
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Apr 21, 2015
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app pub date -
Oct 29, 2009
filing date -
Oct 29, 2008
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Abstract
A process for the treating a mature fine tailings stream is provided. Treatment comprises contacting an alkali metal silicate or polysilicate microgel and an activator with mature fine tailings, entrapping the sand and clay fines within a polysilicate microgel, spreading the silica microgel over a surface, and allowing the silica microgel to dry, and producing a trafficable surface.
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