501 | ENVIRONMENTAL | Enviro-Scrub®

ODOR REDUCTION IN WASTEWATER COLLECTION SYSTEM

BACKGROUND

A wastewater collection system running through a suburban community had a strong hydrogen sulfide (H2S) odor causing neighbors’ complaints. The wastewater treatment plant tried different programs for odor control to address the complaints of the neighboring community. A ferrous sulfate treating program was tried unsuccessfully resulting in uninterrupted community complaints and high operational costs.

CHALLENGES
  • Reduce hydrogen sulfide odor causing complaints from community members.
  • A sulfate treating program had already been implemented and results were not succesful.
SOLUTION

Q2 Technologies was given the opportunity to implement the Enviro-Scrub® program. This custom-made program added a tote of our custom formulated chemical with a metering pump feeding directly into the lift station, as seen on diagram 1. The Enviro-Scrub® was fed into the lift station influent ahead of the baffle station.

RESULTS
The neighboring community has not presented any further complaints. Labor costs have been reduced given that the Enviro-Scrub® program supplies the scavenging chemical with a metering pump on a continuous basis.
TAKE-AWAYS:
  • Eliminated odor complaints in neighborhood.
  • Enviro-Scrub® is more cost effective than ferrous sulfate and magnesium hydroxide.
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