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US 2021/0230033 A1Published application
Treatment using fixed film processes and ballasted settling
AssigneeEvoqua Water Technologies LLC
InventorsNathan Antonneau, Timothy Lindemann, Todd Schwingle, Michael Casey Whittier, Steven E. Woodard, Robert Backman, Andrew G. Bishop
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Abstract
A system and method is provided for water and wastewater treatment. The system comprises a fixed film biological process and a ballasted flocculation process.
Claims10
A system for treating wastewater comprising:
- a fixed film reactor fluidly connected to a source of wastewater and configured to provide a fixed film effluent;
- a source of ballast fluidly connected to the fixed film effluent and configured to provide a ballasted effluent;
- and
- a clarifier fluidly connected to the ballasted effluent, the clarifier comprising a treated effluent outlet and a ballasted solids outlet and configured to separate a treated effluent from a ballasted solids.
1 more element
-20. (canceled)
Dependencies are inferred from the claim text.