Process and apparatus for separating off suspended matter from liquids
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United States of America Patent
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Nov 25, 1997
Grant Date -
N/A
app pub date -
Dec 1, 1995
filing date -
Apr 11, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In the process for separating off by flotation (pressure release) suspended matter from liquids which are present in a gas-introduction reactor, the suspension to be withdrawn for flotation is conducted at a flow velocity .ltoreq.0.3 m/s against the natural direction of bubble rise, gas being additionally introduced into the suspension. The gas-treated suspension is withdrawn at the bottom of the gas-introduction apparatus and it is fed to flotation.
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