請用此 Handle URI 來引用此文件: http://hdl.handle.net/11455/45554
標題: Characteristics of elements in waste ashes from a solid waste incinerator in Taiwan
作者: Chang, C.Y.
鄭曼婷
Wang, C.F.
Mui, D.T.
Cheng, M.T.
Chiang, H.L.
關鍵字: Municipal solid waste incinerator
Heavy metals
Bottom ash
Fly ash
airborne particulate matter
plasma-mass spectrometry
heavy-metals
municipal waste
trace-elements
msw incinerator
behavior
combustion
residues
bottom
期刊/報告no:: Journal of Hazardous Materials, Volume 165, Issue 1-3, Page(s) 766-773.
摘要: Incineration, one of the most effective methods used to treat solid wastes, reduces the volume of solid wastes significantly and enables recovery of thermal energy. However, during this waste treatment, a small amount of heavy metals can be present in the form of fly ash or vapor in the flue gas, becoming a threat to human health and other living organisms once emitted into the environment. This study focuses on the characteristics and behavior of elements contained in the combustion residues and their impact on various wastes at Taiwan's municipal solid waste incinerator (MSWI). Three kinds of waste, municipal solid waste (MSW), industrial waste (IW). and biomass waste (BM), were analyzed to obtain their physical properties and elemental composition before incineration. The combustion residues were collected with a sampler at various locations such as the furnace bottom, a heat economizer, a semi-dry Scrubber, a bag-house filter and a gas stack. Twenty-one elements were determined to establish the actual mass fraction and to estimate the possible impact on the environment. Owing to its volatility, Cd was found ill high concentrations in bag-house filter ash. In addition, the mass fraction of Zn, As, Pb, Sb and V in bag-house filter ash was found greater than 20% for the three kinds of wastes. Iron (Fe) content was found to be high in MSW, S, Cd, Ni, Pb and Sb content were high in IW and Se content was high in BW (C) 2008 Published by Elsevier B.V.
URI: http://hdl.handle.net/11455/45554
ISSN: 0304-3894
文章連結: http://dx.doi.org/10.1016/j.jhazmat.2008.10.059
顯示於類別:環境工程學系所

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