Define the combustion of solid waste, Civil Engineering

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Define the Combustion of Solid Waste?

A chemical reaction in which the elements in fuel oxidize in presence of excess oxygen

C → CO2, H → H2O, S   → SOx, N → NOx

  • Reactions are a function of Oxygen, Time, Temperature, and Turbulence
  • Higher Temps means Higher NOx Emissions
  • As temp increases, volatile materials burn off into gas, then organic components "crack" and form gas, fixed carbon remains
  • At 700°C, carbon is ignited to achieve "burn out"
  • Heating Value of Waste is measure in kJ/kg and determined experimentally using a bomb calorimeter.

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