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- 500 TPD <br /> - Mass burn technology <br /> - Produces marketable steam and sells electricity <br /> - Started operations in 1984; 24 years old now <br /> - Availability increased recently to 84% <br /> U.S. WTE Plants by Technology (table) <br /> 4. Other WPT <br /> •Biological <br /> -Aerobic Composting <br /> -Anaerobic Digestion/ Codigestion <br /> -Biodiesel <br /> -Bioethanol <br /> -Biological Pretreatment <br /> -Vermicomposting <br /> 5. Summary <br /> Risks, Financing and Implementation Considerations <br /> Financing Facilities: <br /> Public Finance <br /> •Municipal or authority owner <br /> •Revenue bond financing <br /> -100% debt <br /> -Construction and long-term <br /> •Design-build-operate contractor <br /> •Security: services agreement <br /> •Access to long-term residue disposal <br /> When Implementing WTE, <br /> Keep in Mind... <br /> •The public will ask for more recycling <br /> -Opportunity for more diversion: <br /> •Make residential collection more efficient <br /> •Single-stream recycling for both residential and commercial sectors <br /> •Controlling commercial waste stream <br /> •Environmental concerns will be significant <br /> •Site selection critical <br /> •Key cost determinants: <br /> -Size: larger cost less per ton, economy of scale <br /> -Value of electricity <br /> -Location and cost of residue disposal <br /> -Term of bonds: longer cost less <br /> -Ownership: publicly owned cost less <br /> 6. Conclusions <br />