Clarifier tanks
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United States of America Patent
Stats
-
Dec 14, 1993
Grant Date -
N/A
app pub date -
Dec 18, 1992
filing date -
Feb 20, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A clarifier tank having a center column is provided with a center-driven bottom rake mechanism for settled sludge removal, a rotating scum rake mechanism comprised of pipes with longitudinal openings for scum removal via the center column, the rake mechanisms rotating in the same or opposite directions at different speeds, and submerged effluent pipes projecting from the sidewall of the tank toward the center of the tank to drain the clarified sewage into an effluent launder exterior of the tank.
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Cited Art Landscape
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