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US 6,641,721 B2Granted
Process and apparatus for treating wastewater
AssigneeGreat-Circle Technologies, Inc.
InventorSteven B. Mullerheim
Life of this patent
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Abstract
Wastewater can be treated using a combination of a settleable solids separator, such as a vortex separator, and a gas floatation separation system.
Claims19
An apparatus for treating wastewater containing settleable solids comprising:
- a settleable solids separator comprising:
- a vessel having an upper end, a lower end, and an outer wall connecting the upper end and the lower end;
- an inlet directed partially tangentially through the outer wall of the vessel;
- a first outlet proximate to the upper end of the vessel;
- and
- a second outlet proximate to the lower end of the vessel;
- a gas floatation separation system having an inlet port and a reusable liquid fraction outlet port;
- and
- a fluid conduit fluidly connecting the first outlet of the settleable solids separator and the inlet port of the gas floatation separation system.
6 more elements
Dependencies are inferred from the claim text.