The study of Emission Factors of Aromatic VOCs for Motorcycles and Vehicles

• Main Authors: Tsai, Mi-jyh, 蔡宓志
• Other Authors: Wu Yee-lin
• Format: Others
• Language: zh-TW
• Published: 1996
• Online Access: http://ndltd.ncl.edu.tw/handle/52989878868341664223

碩士 === 國立成功大學 === 環境工程學系 === 84 === The main subjects of this study are to investigate the characteristic profiles and the emission factors of aromatic volatile organic compounds (VOCs) for motorcylces and vehicles . Tenax-TA of mesh 60/80 was used to adsorb the aromatic VOCs in motorcylce tunnel and vehicle tunnel and the samples were then examined by GC-MS. Finally, the emission factors for motorcycles and vehicles were evaluated by continuously stirred tank reactor model and analogy method. The results show toluene and m/p- Xylene both are the most abundant aromatic VOCs in motorcylce tunnel. The ranks of concentrations of the other aromatic VOCs in decreasing order are 1,2,4-Trimethylbenzene > Benzene > Ethylbenzene > 1,3,5-Trimethylbenzene. However those in vehicle tunnel are toluene> m/p-Xylene > Benzene > 1,2,4-Trimethylbenzene > Ethylbenzene> 1,3,5-Trimethylbenzene. The characterstic profiles of Benzene : Toluene : Ethylbenzene : m/p-Xylene for motorcycles and vehicles are 1.00 : 2.18±0.46 : 0.87±0.16 : 2.23±0.38 and 1.00 : 1.91±0.36 : 0.41±0.07 : 1.18±0.22, respectively. The emission factors of Benzene, Toluene, Ethylbenzene, m/p-Xylene, 1,2,4-Trimethylbenzene, and 1,3,5-Trimethylbenzene are 0.31±0.09, 0.73±0.19, 0.24±0.06, 0.71±0.19, 0.13±0.04,and 0.36±0.10 g/km for motorcycles and 0.11±0.04, 0.23±0.04, 0.07±0.01, 0.18±0.03, 0.03±0.01, and 0.09±0.02 g/km for vehicles.