The ninth HUBER belt dryer project was sold in the U.S. in 2022. The U.S. has thus established itself as the second largest belt dryer market in the HUBER Group. There is no doubt that the foundation stone for this success was laid in the Mooresville belt dryer project in North Carolina.

This year marks 10 years of operation of the plant in Mooresville. The BT 20 belt dryer (formerly known as BT 5-2) serves the wastewater treatment plant with a maximum capacity of 7.5 mgd. Since its commissioning in 2013, this dryer has made a significant contribution to efficient waste management and the sustainable utilization of resources.

The belt dryer is loaded with nonstabilized excess sludge from the sewage treatment plant. This is dewatered to 18% DR using a belt filter press. The dewatered sewage sludge is then dried to at least 90% solids content. This is passed on to local farmers for agricultural use.

The dryer is designed for a water evaporation rate of 1,300 kg/h and offers the well-known and widely appreciated advantages of the HUBER belt dryer design:

• Sludge extruder for optimum feeding onto the dryer belt
• Minimised dust production
• Temperature control in the individual dryer modules

The tenth anniversary of the dryer operation was used as an opportunity to talk with the wastewater treatment plant manager, Jamie Levis, and the sludge treatment plant manager, Larry Hendren, about the operating experience and future plans. The lively exchange of information allowed a look behind the scenes of this historic project for HUBER. Read more here

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