Drying Facility Saves Money by Quickly Producing Quality Biosolids

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Drying Facility Saves Money by Quickly Producing Quality Biosolids

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The Tri-Lakes Biosolids Regional Drying Facility brings in material from three wastewater treatment plants in the Branson, Missouri, area. Three centrifuges and the Bio-Scru were the main components of the facility. Each of the three feeder plants installed a centrifuge and one of the plants also installed the dryer. Millions of dollars in construction costs were saved by placing all equipment in existing buildings that previously held gravity-belt thickeners, as well as the truck load-out building. Biosolids from the treatment plants are trucked to the central facility after dewatering and are then processed further using the dryer to achieve Class A biosolids status.

Project benefits

Tri-Lakes will take the biosolids at 19 to 21 percent DS and process them at a rate of 4,000 wet pounds per hour using the Bio-Scru Model HSD-30D-28- 6 to process the material to greater than 90 percent DS. The company will then have the ability to give away or sell the end material for local agriculture use rather than pay for transportation and landfill tipping fees.

Bio-Scru Fact Sheet

Tri-Lakes Biosolids Regional Drying Facility

Location: Branson, Missouri 
End user: Tri-Lakes, Taney County 
Process capacity: 4,000 wet pounds per hour
Fuel source: Natural gas
Cake dryness: 20 percent DS
Bio-Scru model: HSD-30D-28-6
Heating fluid: Thermal oil
Sludge feed: Seepex progressive cavity pump
Start-up: April, 2015
Beneficial reuse: End product is to be given away or sold in bulk for agricultural use


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