Liquid purification or separation – Serially connected distinct treating with or without storage... – With storage unit
Patent
1983-12-19
1985-05-28
Richman, Barry S.
Liquid purification or separation
Serially connected distinct treating with or without storage...
With storage unit
2105321, 210523, 2091725, 209169, B01D 2118, B01D 2110, B03D 114
Patent
active
045199078
ABSTRACT:
A grit settling basin including a cylindrical grit settling chamber adapted to contain liquid sewage and a grit storage chamber positioned beneath the grit settling chamber and adapted to receive grit settling out of the liquid. A vertical shaft is positioned centrally in the grit settling basin and extends into the grit storage chamber. A partition comprising a truncated cone surrounds the central shaft and defines the two chambers. A first annular opening is provided between the shaft and the partition and a second annular opening is provided between the partition and an upper portion of the grit storage chamber. A plurality of vanes project from the central shaft below and adjacent the partition and cause upward fluid flow through the first annular opening in response to rotation of the shaft.
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Journal WPCF-vol. 46, No. 7, Jul. 1974.
Ledbetter, Jr. Titus B.
Rexnord Inc.
Richman Barry S.
Ruppin Richard C.
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