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Fluid treatment apparatus

  • US 7,527,726 B2
  • Filed: 01/25/2006
  • Issued: 05/05/2009
  • Est. Priority Date: 01/25/2006
  • Status: Expired due to Fees
First Claim
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1. An apparatus for treating fluid comprising solids and liquids to produce clarified fluid, comprising:

  • (a) an agglomeration zone having an inlet for receiving the fluid and at least one fluid outlet, the agglomeration zone comprising an energy displacement sub-zone including a flow path obstacle disposed therein in substantially facing relation to the fluid inlet and having two ends, operative to turbulently mix an agglomerant with the fluid to agglomerate a portion of the solids therein while dissipating the energy of the fluid said at least one fluid outlet disposed proximately perpendicular to at least one of said ends;

    (b) a clarification zone in fluid communication with the outlet of the agglomeration zone, the clarification zone comprising a plurality of spaced apart clarifying plates to promote the settling of the solids from the clarification zone to produce clarified fluid; and

    (c) a thickening zone disposed below and in fluid communication with the clarification zone for receiving the settling solids and comprising at least one wall defining a downwardly diminishing cross-sectional area;

    wherein the outlet of the agglomeration zone directs the fluid to exit the agglomeration zone towards the plurality of clarifying plates.

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