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Municipal PCD Draft Credit 3: Minimize Thermal Conversion Emissions (x points)

Intent:

Promote clean air and mitigate climate change by minimizing emissions of net CO2e, Criteria Air Pollutants and Hazardous Air Pollutants from thermal conversion processes.

Requirements:

  • Demonstrate net CO2e emissions below 850 lbs CO2e/MWH (1)
  • Demonstrate that Criteria Air Pollutant(2) emissions meet the levels in the table below:
  • Demonstrate total VOC + Hazardous Air Pollutant + Hydrogen Sulfide (H2S) + Ammonia (NH3) (3) levels below 0.1 lbs/MWh

Criteria Air Pollutant limit Table (lbs/MWh)

NOx:                       <1 lb/MWh

SO2:                       <1 lb/MWh

PM 2.5-10: (4)

Daily Basis              10 mg m-3

Half-hour basis:       30 mg m-3

Emissions should be continuously measured and verified by the local air quality management regulator.

Strategies:

  • Install flue gas continuing monitoring equipment
  • Install best available control technologies
  • Utilize biogas or landfill methane for co-firing
  • Remove potentially hazardous materials from the waste stream before combustion

Notes

“Thermal conversion processes” include various forms of incineration, gasification and pyrolysis technologies

 

  • 2013 Clean Power Plan emissions requirements for combined cycle natural gas = 890 lbs CO2 – MWH (403 g/kWh)
  • Criteria Air Pollutants are: NOx, SO2, O3, PM 2.5-10
  • HAPs include benzene, naphthalene, 1,3-butadiene, Polycyclic aromatic hydrocarbons (PAH); Hydrogen Fluoride (HF) and Hydrogen Cyanide (HCN); Mercury, Lead, Chromium, and other heavy metals.

(Based on (Directive 2010/75/EU)

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