WWTP Covers Its Grit Tanks to Help Address Odor Concerns

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The grit tank covers that Geomembrane Technologies Inc. provided at the Georgetown Wastewater Treatment Plant have successfully minimized odors.

When houses were developed within a few hundred feet of the plant’s property line, it wasn’t long before new residents complained about odors. Plant management made a public commitment to address the problem, and focused on its grit tanks. “We were convinced capturing and treating odors was the way to go,” says Wendy Derjugin, Plant Operations Supervisor at the plant.

GTI was selected to custom-design and install structurally supported covers for the grit tanks. The covers easily retract, meeting the plant’s access requirements. Captured foul air is then withdrawn and treated in a carbon system. “Covering the grit tanks was one of the most effective things we could do to further reduce the potential for odors,” says Derjugin.

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