Abstract
Measurement of Persistent Organic Pollutants (POPs) was performed in order to complement the set of known emission factors. Methodology for gasoline engines emission factors determination that uses POPs concentrations measured in exhaust gasses, limited pollutants emission factors (carbon monoxide CO, nitrogen oxides NOx and hydrocarbons HC) and other compounds (carbon dioxide CO2) was elaborated. Empirical value of exhaust gasses production announced by specialists of TUV SUD was used for diesel. Emission factors of four vehicle-fuel systems were determined particularly 11 congeners of Polychlorinated Dibenzodioxins (PCDDs), 34 congeners of Polychlorinated Dibenzofurans (PCDFs) and their toxic equivalents (TEQ) for each of the measured system. TEQ PCDD/F congener profile typical for POPs sources from transportation was compiled on the basis of measured data.
Highlights
Persistent Organic Pollutants (POPs) represent group of organic compounds with specific physico-chemical and environmental-chemical properties
Sufficient amount of exhaust gasses for Polychlorinated Dibenzodioxins (PCDDs)/Fs and Polyaromatic Hydrocarbons (PAH) determination was sampled during these three cycles
Methodology results from Emission factors (Ef) values of CO, NOx, CO2 and HC measured in dry exhaust gasses on dynamometer by standard methods and from fuel consumption
Summary
Persistent Organic Pollutants (POPs) represent group of organic compounds with specific physico-chemical and environmental-chemical properties. The most important among them are resistance to diverse degradation processes, low solubility in water, lipophilic character. These properties results in high tendency for bioaccumulation, semi volatility enabling global atmospheric transport and significant adverse effects on human health or environment. Polychlorinated Dibenzodioxins (PCDDs) and Polychlorinated Dibenzofurans (PCDFs) belong among others to this group of compounds They originate during communal, hospital or dangerous wastes incineration, during coal, peat and wood combustion and can be determined in vehicles emissions [1]. Their content in exhaust gasses is in very small concentrations and because of difficult and complicated analytical determination these compounds are measured in exhaust gasses only sporadically [2]. Gation TUV SUD on dynamometer SCHENCK 364/GS56 that simulates flywheel mass and running resistance as if vehicle moves on the road
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