Liquid treatment apparatus
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United States of America Patent
Stats
-
Jul 12, 1983
Grant Date -
N/A
app pub date -
Dec 26, 1979
filing date -
Dec 26, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In liquid sedimentation and clarification apparatus recirculation of previously settled solids is controlled without affecting the volume or rate of flow of incoming untreated liquid. A throttle plate is placed above an updraft tube in the liquid flow path. Movement of the throttle plate toward or away from the end of the updraft tube alters the quantity of settled solids that are mixed with the incoming liquid during the treatment process.
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