Source Control Strategies
Reducing odor at the source is typically cheaper than treating air downstream — control choices depend on which source you're targeting.
Reducing Detention Time
Long collection system detention times and long sludge storage times are the most common root causes of plant odor — fix the upstream cause before treating the air.
Chemical Dosing for Odor Control
Chemical addition at problematic wet wells, force main discharges, or sludge storage tanks can prevent odor formation at the source.
Covers and Enclosures
Covering odor sources and capturing the air for treatment is the single most effective odor control step — but it must be paired with treatment.
Minimizing Turbulence at Release Points
Turbulence at drops, weirs, and channel transitions releases dissolved H2S as a gas — design and operation choices reduce this.
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