Systems and methods for separating mine tailings from water-absorbing polymers and regenerating the separated water-absorbing polymers
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United States of America Patent
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Oct 4, 2016
Grant Date -
Oct 16, 2014
app pub date -
Mar 21, 2014
filing date -
Apr 10, 2013
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Abstract
Systems and methods for separating mine tailings from water-absorbing polymers and regenerating the separated water-absorbing polymers. The systems and methods include a separation assembly that is configured to receive an augmented mine tailings slurry that includes mine tailings, water, and a swollen water-absorbing polymer. The separation assembly separates the swollen water-absorbing polymer from the augmented mine tailings slurry to produce a dewatered mine tailings slurry. The systems and methods further include a water-absorbing polymer regeneration unit that is configured to receive the swollen water-absorbing polymer. The water-absorbing polymer regeneration unit at least partially releases water from the swollen water-absorbing polymer to produce a regenerated water-absorbing polymer, and as a separate output or product, the released water.
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