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標題: The influence of heavy metals on partitioning of PAHs during incineration
作者: Wey, M.Y.
Chao, C.Y.
Wei, M.C.
Yu, L.J.
Liu, Z.S.
關鍵字: incineration;APCE;PAHs;heavy metals;polycyclic aromatic-hydrocarbons;stack ash;fly-ash;adsorption;combustion;particles
Project: Journal of Hazardous Materials
期刊/報告no:: Journal of Hazardous Materials, Volume 77, Issue 1-3, Page(s) 77-87.
The presence of heavy metals (Cr, Cd, Pb and Zn) in feedstock increases the partitioning of polycyclic aromatic hydrocarbons (PAHs) in the solid as well as in the gaseous phases, which has been reported in our previous study. However, the partitioning of PAHs in air-pollution control equipment (APCE) has not been investigated thus far. Hence, the present work was conducted to study the partitioning of PAHs in APCE and the effect of heavy metals on PAHs formation by varying the target heavy metals in the feedstock. A fluidized bed incineration system which includes a primary combustion chamber (sand bed), a secondary combustion chamber (freeboard), and an APCE (cyclone and scrubber) was utilized in this study. The feedstock that contained various heavy metals was fed into the incinerator, and then the PAHs in the cyclone and scrubber were analyzed to determine the effect of heavy metals on PAHs partitioning. The results indicate that the presence of Pb and Zn in feedstock facilitates the formation of PAHs. (C) 2000 Elsevier Science B.V. All rights reserved.
ISSN: 0304-3894
DOI: 10.1016/s0304-3894(00)00254-5
Appears in Collections:環境工程學系所

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