Process and composition for conditioning an aqueous system
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United States of America Patent
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Jul 18, 1989
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N/A
app pub date -
Apr 30, 1984
filing date -
Mar 24, 1981
priority date (Note) -
Expired
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Abstract
An aqueous composition for conditioning an aqueous system, for example a sewage slurry, comprises an alkaline earth metal hydroxide, e.g. lime, and an anionic oligomeric polyelectrolyte, e.g. a salt of polyacrylic acid which composition has at least 40% by weight of particulate solid materials. Other components may include a weighting agent, e.g. calcium carbonate, a cationic flocculant, e.g. a polyacrylamide, and a base such as sodium hydroxide.
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