Estimation of Vehicular NMVOCs Emissions in China

Ying Zhou

doi:10.4028/www.scientific.net/AMR.962-965.1303

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 962-965Estimation of Vehicular NMVOCs Emissions in China

Estimation of Vehicular NMVOCs Emissions in China

Abstract:

The vehicular NMVOCs emission in China was estimated based on the emission factors calculated by COPERT model. The total vehicular NMVOCs emission is 4073.0 Gg in 2011. Passenger cars (PC), motorcycles (MC) and buses (BUS) have higher contributions among different vehicle types. Vehicles with State 0, State I and State II are the main contributor to the vehicular emissions, with proportion of approximately 26.7%, 31.2% and 24.1%, respectively. Guangdong, Shandong, Hebei and Jiangsu have larger NMVOCs emissions. The NMVOCs species emission and ozone formation potentials (OFP) were also calculated. The ten key species for emission and OFP were identified, respectively. They are ethylene, toluene, benzene, isopentane, propene, m,p-xylene, 2-methylpentane, ethane, 1,2,4-trimethylbenzene, 1-butene and ethylene, propene, m,p-xylene, 1,2,4-trimethylbenzene, 1-butene, toluene, 2-methyl-2-butene, m-ethyltoluene, o-xylene, 1,3,5-trimetylbenzene, respectively. The results can provide scientific support for making effective vehicular emission reduction and air quality improvement measures.