Stable suspensions of solids in metal salt solutions for use in water treatment
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United States of America Patent
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Dec 26, 2000
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N/A
app pub date -
Jun 16, 1999
filing date -
Jun 16, 1999
priority date (Note) -
Expired
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Abstract
Stable suspensions can be made from acidic metal salt solutions and finely divided acid-insoluble solid particles that have a particle size of less than twenty-five microns, preferably less than ten microns, and most preferably, about one micron. These suspensions can be used to treat surface waters to remove organic materials therefrom. The suspension forms a floc that includes the solid particles and organic materials, which floc rapidly settles out of solution, leaving purified water as the supernatant liquid.
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