Environmental Compliance

The Fox Valley Glass Aggregate Facility

Environmental Compliance – 230,000 PPH Sludge/Natural Gas Combustion and Glass Aggregate Facility

Owner:  Minergy Neenah, LLC (a non-regulated subsidiary of Wisconsin Energy)

Project Location:  Neenah, Wisconsin

Project Completion:  March 1998

Project Description:

ESI was the EPC Contractor for the Fox Valley Glass Aggregate Facility.  This first-of-a-kind facility receives 1300 tons/day of paper mill sludge from a number of local mills.  The sludge is received, handled, dried and combusted along with natural gas to produce process steam and glass aggregate as sellable byproducts.  This facility included B&W 230,000 pph boiler with two special cyclone furnaces, extensive material handling equipment, complete sludge drying system, and state-of-the-art emission controls.  The air quality control system included SNCR, limestone injection, and baghouse.