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Igloo-shaped 'Poo-Gloos' eat sewage
Date:1/8/2011

as a research assistant professor of civil and environmental engineering at the University of Utah. The Poo-Gloo was designed to address the problem faced by communities outgrowing their sewage lagoons. The device provides a large surface area on which bacteria can grow, providing the microbes with air and a dark environment so they consume wastewater pollutants continuously with minimal competition from algae.

The new study outlines results of a pilot project conducted in 2009 at Salt Lake City's Central Valley Water Reclamation Facility. Wastewater Compliance Systems obtained an exclusive license from the University of Utah to commercialize Poo-Gloos, so the devices now have been deployed in six states in either full-scale installations or pilot demonstrations. Every installation showed Poo-Gloos provide treatment that meets pollution-control requirements.

Lynn Forsberg, public works director for Elko County, Nev., recently started using Poo-Gloos in a county sewage treatment lagoon system in Jackpot, Nev., after a successful pilot test. "Our alternative was to go with a full-blown [mechanical] treatment plant that would cost about four times as much and be much more labor intensive," he says.

How Poo-Gloos Work

Poo-Gloos use a thriving bacterial biofilm to consume pollutants. Two dozen or more igloo-shaped Poo-Gloos are installed on the bottom of the lagoon, fully submerged and arrayed in rows. Each Poo-Gloo consists of a set of four progressively smaller, plastic domes nested within each other like Russian nesting dolls and filled with plastic packing to provide a large surface area for bacterial growth.

Rings of bubble-release tubes sit at the base of every Poo-Gloo and bubble air up through the cavities between domes. The air exits a hole in the top of each dome. As air moves through the dome, it draws water from the bottom of the lagoon up through the dome and out the top.

Each Poo-Gloo occup
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Contact: Taylor Reynolds
taylor@wcs-utah.com
801-361-4723
Wastewater Compliance Systems
Source:Eurekalert  

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Igloo-shaped 'Poo-Gloos' eat sewage
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