Liquid suspension of polyethylene oxide for use in treating paper and pulp wastewater
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United States of America Patent
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Dec 22, 1992
Grant Date -
N/A
app pub date -
Jun 17, 1991
filing date -
Jun 17, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A flocculating agent which comprises: a particulate ethylene oxide polymer present in an amount of between about 20 to about 35% by weight; an inert liquid vehicle comprising a mixture of a glycol which is present in an amount between about 25 to about 30% by weight, and glycerine which is present in an amount between about 45 to about 50% by weight, wherein the specific gravity of the ethylene oxide polymer is approximately the same as the specific gravity of the inert liquid vehicle; and a suspension agent which is present in an amount between about 0.4 to about 0.6% by weight, wherein the flocculating agent has a viscosity in the range between about 1800 to about 5900 cps.
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