Solid-liquid separation equipment in particular for biological purification of wastewater
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United States of America Patent
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Jan 14, 2003
Grant Date -
N/A
app pub date -
Sep 15, 2000
filing date -
Mar 16, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An apparatus for the separation of a solid/liquid suspension by filtration includes a tank filled with a suspension to be treated. At least one cavitied plate is located in the tank and has at least one internal cavity. The plate is immersed in the suspension to be treated. The plate is inclined with respect to the vertical and only a lower inclined face of the plate is covered with a filter medium, the upper face being solid. The compartment of the cavitied plate communicates with a conduit which collects filtered suspension. Gas flushing pipes are positioned below the plate for emitting gas bubbles that pass across the filter medium and remove material clinging thereto.
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