Combustion-Diesel Fired Engines

Combustion of diesel fuel in engines results in the release of several criteria pollutants and toxic air contaminants to the atmosphere. Emissions typically include NOx, SOx, ROG, PM, CO, hydrogen chloride, naphthalene, PAHs, propylene, toluene, and xylene, and some metals such as lead, manganese, nickel, and zinc, as well as other trace pollutants. Testing may include the speciation of non-methane organic compounds in the stack gas exhaust. Factors can also be derived by applying average destruction efficiency to combustible components of the fuel. Stack testing for metals is considered less reliable for emission estimation purposes than mass balance techniques based on fuel analyses.

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