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Waste-to-Energy (WTE) Facilities

Waste-to-Energy (WTE) Facilities. Bureau of Air Regulation Cindy Phillips, P.E. Activated Carbon Injection System Injects carbon to adsorb mercury and dioxin Electrostatic Precipitator or Baghouse Fabric Filter Capture PM and metal pollutants. MWC Hg Emission Control Processes.

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Waste-to-Energy (WTE) Facilities

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  1. Waste-to-Energy (WTE) Facilities Bureau of Air Regulation Cindy Phillips, P.E.

  2. Activated Carbon Injection System Injects carbon to adsorb mercury and dioxin Electrostatic Precipitator or Baghouse Fabric Filter Capture PM and metal pollutants MWC Hg Emission Control Processes February 10, 2009 | 2

  3. February 10, 2009 | 3

  4. 40 CFR 60 New Source Performance Standards (NSPS) Hg Limits Subpart Cb Large facilities >250 tons/day; Constructed on or before 9/20/94 Prior to 4/28/09 80 micrograms per dry standard cubic meter or 15 percent of the potential mercury emission concentration (85-percent reduction by weight), corrected to 7 percent oxygen, whichever is less stringent. On or after 4/28/09 50 micrograms per dry standard cubic meter or 15 percent of the potential mercury emission concentration (85-percent reduction by weight), corrected to 7 percent oxygen, whichever is less stringent. February 10, 2009 | 4

  5. 40 CFR 60 New Source Performance Standards (NSPS) Hg Limits Subpart Eb Large facilities >250 tons/day MSW; Constructed after 9/20/94 and on or before 12/19/05 80 micrograms per dry standard cubic meter or 15 percent of the potential mercury emission concentration (85-percent reduction by weight), correctedto 7 percent oxygen, whichever is less stringent. Constructed, reconstructed or modified after 12/19/05 50 micrograms per dry standard cubic meter or 15 percent of the potential mercury emission concentration (85-percent reduction by weight), corrected to 7 percent oxygen, whichever is less stringent. February 10, 2009 | 5

  6. Florida Administrative Code 62-296.416(3) • If mercury control device: 70 micrograms per dry standard cubic meter (ug/DSCM) of flue gas, corrected to 7 percent 02, or 20 percent by weight of the mercury in the flue gas upstream of the mercury control device (80 percent reduction by weight), whichever occurs first. • Annual testing required. • If no mercury control device: 70 ug/DSCM of flue gas, corrected to 7 percent O2 • Staggered semi-annual testing required so at least one unit is test quarterly. February 10, 2009 | 6

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  9. Opportunities for Further Reductions • Lower Hg emissions • 20 micrograms/DSCM? • Require Hg CEMS • Improved Hg-containing waste segregation? • Target compact fluorescents? February 10, 2009 | 9

  10. Contact Cindy Phillips, P.E. Cindy.Phillips@dep.state.fl.us 850.921.9534 February 10, 2009 | 10

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