Process for purifying water using a polymer flocculating agent
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United States of America Patent
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Mar 3, 1992
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N/A
app pub date -
Dec 28, 1989
filing date -
Dec 28, 1988
priority date (Note) -
Expired
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Abstract
Process for the purifiying water using an effective proportion of a flocculating agent consisting of a reverse microlatex comprising a polymer of at least one water-soluble cationic vinyl monomer, which may be copolymerized with at least one water-soluble anionic or non-ionic vinyl monomer, possessing a molecular weight at least equal to 2.times.10.sup.6. The said microlatex is in the form of particles of a microlatex having a diameter of between 30 and 160 nm and its polydispersity index is between 1.05 and 1.2.
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