St. Paul, MN / USA Energy-from-Biosolids plant

Energy-from-Biosolids plant Award Winning Metropolitan Council Environmental S ­ ervices Waste Water Treatment Facility The Metropolitan Council Environmental Services’ new waste water treatment plant in St. Paul, Minnesota ­ uses state-of-air thermal treatment and air pollution control equipment to set the standard for Energyfrom-Biosolids facilities within the US. The Metropolitan Council is the regional ­ lanning p agency serving the Twin Cities seven-county m ­ etropolitan area and providing essential services to the region. The Council works with local communities to provide these critical...

Biosolid ­ elivery D and storage Biosolids storage 1 Biosolids transport Combustion and steam­generator 2 nova fluid bed I In bed burners Over bed burners Primary air fan 3 rimary air heater P 4 Boiler 5 Economizer Fly ash conveyors Sand silo The three Inova fluid bed reactors and air ­ ollution p control systems began operation in late 2004 and in the first year of operation, reduced the air pollutants by more than ninety-five percent compared to the existing multiple hearth furnaces (MHFs). By replacing the MHFs with the fluid bed systems, the plant reduced its use of natural gas by more than...

Hitachi Zosen Inova U.S.A. LLC 3740 Davinci Court, Suite 250 United States St. Paul, MN / USA Energy-from-Biosolids plant General project data Owner and operator MCES Scope of Hitachi Zosen Inova Complete combusting part, steam generator, flue gas treatment Technical data _Throughput per train_105 DTPD [95 DMTPD]_ _Calorific value of waste_10,000 Btu/lb (combustible solids) [23.2 MJ/kg] Thermal capacity per train 9.4 MW (th) Waste type Domestic biosolids Combustion system Type Hitachi Zosen Inova fluid bed Size 22ft (orifice plate) [6.7 m] Steam generator Type Vertical _Steam quantity per train_25,000...