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Mixed Waste Processing Update <br />for Orange County, NC <br />C>RANGi_ COUNTY <br />NORTE1 CAR4)L.INA <br />MBT = Mechanical, Biological Treatment <br />• Originated in Germany in 1999 (now 36 operating MBTs) <br />• 330 plants in EU most in: Germany, Austria, Italy, Switzerland <br />and the Netherlands; UK catching up <br />• Includes: <br />— Mechanical sorting of recyclables and organics <br />— Food scraps and green waste processed through AD and <br />composting units; mulching too <br />— Residuals converted to high BTU refuse - derived fuel (RDF) <br />• Only 0.4% of waste goes directly to landfills in Germany and <br />81% of household waste goes to MBT Plants <br />• RDF key to MBT diversion results <br />54% to dedicated boilers, 16% to coal plants, 11% to cement kilns <br />and 19% to others <br />Source: Mechanical Biological Treatment of Municipal Solid Waste. UK Departmen <br />Environment Food &Rural Affairs (DEFRA). February 201 <br />_)RAND_ -OUNTY <br />N0111111_AAC)LINA Mechanical- Biological Treatment <br />Plant (MBT) <br />Source W N iGA <br />Separated V , r g...,a <br />Recyclables <br />MSW —� Mixed MSW <br />source <br />Source <br />Separated <br />Organics <br />M <br />SOLID WASTE <br />MANAGEMENT <br />CONSULTANTS <br />Gershman, Brickner & Bratton, Inc. <br />Mechanical (grinding, screening, <br />Products: <br />Recyclables <br />recyclables separation, palletizing) <br />Compost <br />Biological (bio- drying, aerobic <br />Biogas/ Electricity <br />composting, anaerobic digestion <br />RDF /EF <br />• Pre - treatment of waste dedicated to landfills <br />• Recover recyclables and fuel /energy from <br />mixed MSW otherwise going to landfill <br />• Stabilizing organics fraction <br />March 30, 2016 <br />0 <br />