Flocculating agent combinations for mineral slime filtration systems
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United States of America Patent
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Jun 5, 1990
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N/A
app pub date -
Dec 27, 1988
filing date -
Dec 27, 1988
priority date (Note) -
Expired
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Abstract
An improved method for dewatering thin slurries of very fine clay or clay-like material to yield high solids content filter cake, for example, 40% solids and greater, by the use of flocculating agent combinations involving polyethylene oxide-type flocculating agents and polyacarylamide-type flocculating agents. The method generally involves admixing the combination of flocculating agents with the slurry, dewatering the slurry by means of a mechanical dewatering apparatus and feeding the thickened slurry to a belt press filter.
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