Dewatering compositions and processes
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
May 25, 1993
Grant Date -
N/A
app pub date -
Oct 3, 1991
filing date -
Oct 4, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Sewage sludge and other organic suspensions are prepared for filter press or belt press dewatering by substantially simultaneous treatment with a cationic coagulant polymer and a cationic flocculant polymer. A novel composition comprising a dry blend of the two polymers can then be formed to provide a combined solution for mixing with the suspension.
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