Chia Nan University of Pharmacy & Science Institutional Repository:Item 310902800/28613
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    標題: Long-term monitoring and modeling of polychlorinated dibenzo-p-dioxins and dibenzofurans from municipal solid waste incinerators and surrounding area in northern Taiwan
    作者: Mi, Hsiao-Hsuan
    Wang, Wan-Ju
    Lin, Sheng-Lun
    Lai, Yi-Chieh
    Mwangi, John Kennedy
    Wang, Lin Chi
    Chang-Chien, Guo-Ping
    貢獻者: 環境工程與科學系
    關鍵字: Municipal solid waste incinerator
    Stringent regulation
    Long-term monitoring
    PCDD/F emission
    Ambient air
    Dispersion model
    Principal component analysis
    日期: 2014-09
    上傳時間: 2015-05-06 21:22:32 (UTC+8)
    出版者: Springer Heidelberg
    摘要: Municipal solid waste incinerators (MSWIs) have long been the major contributors of polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs) to ambient air in Taiwan. After stringent MSWI emission standards were introduced in 2001, the long-term continuous monitoring of flue gas and ambient air quality became necessary to ensure the effectiveness of the related control strategies. Three MSWIs and the surrounding ambient air were investigated in the current study for PCDD/F characteristics during 2006 to 2011. The average concentrations in the flue gas ranged from 0.008 similar to 0.0488 ng I-TEQ/Nm(3), which is much less than the emission standard in Taiwan (0.1 ng I-TEQ/Nm(3)) (I-TEQ is the abbreviation of International Toxic Equivalent). This led to extremely low levels in the ambient air, 0.0255 pg I-TEQ/Nm(3), much less than the levels seen in most urban areas around the world. Additionally, the results obtained using the Industrial Source Complex Short-Term Dispersion Model (ISCST3) indicate that the PCDD/F contributions from the three MSWIs to the ambient air were only in the range from 0.164 similar to 0.723 %. Principal component analysis (PCA) showed that the PCDD/Fs in the air samples had very similar characteristics to those from mobile sources. The results thus show that stringent regulations have been an effective control strategy, especially for urban areas, such as Taipei City.
    關聯: Environmental Science and Pollution Research, v.21 n.18, pp.10751-10764
    显示于类别:[環境工程與科學系(所)] 期刊論文


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