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Dewatering/Biosolids + Get AlertsAfter the success of its thermal sewage sludge drying began with the Mooresville, North Carolina, project in 2011, HUBER Technology, the U.S. subsidiary of HUBER, has now successfully won its largest dryer project to date with two HUBER BT 30 belt dryers. The delivery of the two ordered HUBER belt dryers is scheduled for June 2024. Commissioning of the dryers is planned for spring 2025 according to the customer.
The wastewater plant in Timpanogos, Utah, receives the wastewater of more than 240,000 residents from 70,000 private, commercial and institutional wastewater connections. As part of the project, the plant with a total capacity of approximately 25 mgd will also be converted to anaerobic digestion before the HUBER belt dryers are installed.
Work on the project started in June 2022. By this time, HUBER Technology Inc. had tested and analyaed the first sludge samples from the existing plant in its own laboratory in consultation with the customer. The process engineering layout of the thermal dryers is based on the current real sludge parameters of the plant, as the anaerobic digestion system has not yet been built.
Design data of the dryers:
- Solids content: >14% DR
- Loss on ignition: 82.5%
Dryer capacity:
- Hot water supply: 284°F (140°C), from natural gas-fueled boiler
- Solids load: 208.1 tonnes OS/day
- Water evaporation: approx. 7,300 kg water/h
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