Multi Layered Particulate Filter for Reducing the Turbidity and SDI of Water Filter
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United States of America Patent
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Issued Date -
Feb 14, 2013
app pub date -
Oct 8, 2010
filing date -
Oct 8, 2009
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Abstract
The present invention provides the use of a water treatment system. The water treatment system includes a filter bed including layers of inert particulate material, such that, from the top layer to the bottom layer, the coarseness of the particles decreases while the density of the particulate material increases, for reducing the turbidity and/or SDI of water.
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