Disc filter pre-screen dual media disc filter
AssigneeEvoqua Water Technologies LLC
InventorsPatrick Harden, Harry Bryant
Life of this patent
Estimating the term…
Abstract
According to various aspects and embodiments, a system and method for two-stage filtration is provided. The system includes an inlet fluidly connectable with wastewater, a first stage filter assembly that is fluidly connectable with the inlet and has a rotary drum with a filter surface configured for radially inward fluid flow, a second stage filter assembly that is fluidly connectable with the first stage filter and has a plurality of filter discs configured for radially outward fluid flow, and an outlet fluidly connectable with filtrate generated by the second stage disc filter assembly.
Claims6
-25. (canceled)
A method of treating wastewater, comprising:
- introducing the wastewater to a first-stage filtration operation comprising a barrier filter to produce filtered wastewater;
- and
- introducing the filtered wastewater to a second-stage filtration operation comprising a disc filter to produce treated water.
Dependencies are inferred from the claim text.