Municipal Solid Waste

Advantages of combustion• 89 U.S. facilities burn 32 million tons/year of MSW• A waste reduction process, not disposal• Ash must still be disposed of• Combustion reduces weight of trash by 70% andvolume by 90%• Fly ash contains most of the toxic substances• It is landfilled• Bottom ash: is used as fill in construction orroadbeds• Converted to concrete© 2011 Pearson Education, Inc.