Hydro International Wins Grit-Removal Deal

Hydro International of Portland, Maine announced Jan. 9 the receipt of its largest contract for grit-removal systems ever – a $1.8 million deal with the city of Clearwater, Fla.

Hydro will supply the Gulf Coast city with five Grit King® advanced hydrodynamic separator units to upgrade the grit-removal processes at two of Clearwater’s three wastewater treatment plants. The 12-foot diameter Grit King units will replace the existing high-energy vortex grit removal systems at the plants.

The purchase came as part of a larger initiative to upgrade the headworks at Clearwater’s Marshall Street and East Advanced Pollution Control Facilities.

“The city was looking for improved performance and increased reliability, and after conducting pilot testing… we determined that this solution more than meets the plants’ needs,” said Thomas Friedrich with Jones Edmunds & Associates of Tampa, Fla., the engineering firm representing the city.

During the design phase of the plant improvement project, Hydro drove a Grit King mobile pilot unit to Clearwater and participated in a head-to-head trial with one of the existing high-energy vortex systems at the Marshall Street plant. The data showed the Grit King removing up to 23 times the grit as the existing system.

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