Liquid purification or separation – Serially connected distinct treating with or without storage... – Diverse
Patent
1998-06-23
2000-02-01
Simmons, David A.
Liquid purification or separation
Serially connected distinct treating with or without storage...
Diverse
2105321, 405 87, 405115, C02F 900, E02B 700
Patent
active
060198982
ABSTRACT:
A weir assembly is mountable in a wastewater treatment tank to control liquid flow from a first liquid receptacle into a second liquid receptacle. The weir assembly includes a weir member having an upright wall section mountable between the first liquid receptacle and the second liquid receptacle, and a baffle member including a body inflatable with a gas. The wall section has an upper edge positionable with respect to an open surface of the wastewater in the first liquid receptacle to allow wastewater flow over the upper edge. The baffle member is responsive to inflation of the inflatable body such that the baffle member is movable with respect to the weir member between a first position below the upper edge to a second position adjacent the upper edge as the inflatable body is substantially inflated. When the baffle member is disposed in the first position, at least a substantial portion of the baffle member is disposed below the surface of the wastewater in the first liquid receptacle. When the baffle member is disposed in the second position, the baffle member substantially restricts liquid flow over the upper edge. The baffle member may also be disposed at various positions between the first position and the second position.
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Aqua-Aerobic Systems, Inc.
Prince Fred
Simmons David A.
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