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Small surface liquid decantation apparatus and process for making same

  • US 4,048,069 A
  • Filed: 02/02/1976
  • Issued: 09/13/1977
  • Est. Priority Date: 02/02/1976
  • Status: Expired due to Term
First Claim
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1. A small surface liquid decantation apparatus comprising a main revolution tank, with a central inlet, an exhaust for the products decanted by the bottom and an exhaust on the upper peripheral edge for the purified liquid, wherein the main body comprises arcuate compartments defined at least in part by adjacent arcuate walls and in communication with the lower portion of the main body, provided with the exhaust for the decanted products, at least one indented zone, forming an overflow channel for exhausting the upper layer of purified water, being formed in the upper edge of a wall of each compartment, the said indented zones being circumferentially spaced from one compartment to the next.

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