METHOD AND SYSTEM FOR TREATING AQUEOUS STREAMS
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United States of America Patent
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Issued Date -
Jun 20, 2013
app pub date -
Jul 19, 2011
filing date -
Jul 20, 2010
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
The invention relates to a method and system for treating an aqueous stream having a first flow rate and containing solid matter exhibiting first settling properties, the method comprising adding a modifying agent to the aqueous stream at an addition rate sufficient to change the first settling properties of the aqueous stream to obtain a modified aqueous stream having solid matter exhibiting second settling properties different from the first settling properties; taking batchwise samples of the modified aqueous stream to a settling vessel having a volume; determining a settling property of the solid matter of the samples in the settling vessel; and conducting the modified aqueous stream to a separation unit in which solid matter is separated from the modified aqueous stream. The invention provides a convenient way of monitoring and/or controlling aqueous streams conducted for example to purification processes.
First Claim
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