MIXING SYSTEMS FOR MIXING OIL SANDS TAILINGS AND POLYMER
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United States of America Patent
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Issued Date -
May 1, 2014
app pub date -
Oct 25, 2013
filing date -
Oct 27, 2012
priority date (Note) -
Abandoned
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Abstract
A process for flocculating and dewatering oil sands fine tailings in a pipeline is provided, comprising: pumping a tailings feed having a solids content in the range of about 10 wt % to about 45 wt % through a pipeline; injecting an effective amount of a polymeric flocculant into the tailings feed to provide an initial quick dispersion of the polymeric flocculant into the tailings feed; and providing a subsequent conditioning environment to form flocs and release water without overshearing.
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