These systems are designed to scrub malodorous gases, such as hydrogen sulfide, ammonia, mercaptans, and methylamine. Odor Control Scrubbers prevent unpleasant smells from accompanying the release of Waste Water Treatment Plants or Industrial emissions. The pollutants are transformed into a liquid state and are neutralized or destroyed through the utilization of water or chemical reactants that absorb gases from the air flow.

Odor Control Systems are also known by the following names:
KCH manufactures odor control scrubbers from PVC, Polypropylene, or FRP with PVC Internal liner.