Formation of heavy metal species during PVC-containing simulated MSW incineration

Kung Yuh Chiang, Kuen Sheng Wang, Chin Chang Tsai, Chang Jung Sun

研究成果: 雜誌貢獻期刊論文同行評審

12 引文 斯高帕斯(Scopus)

摘要

The effect of PVC-derived chlorine on heavy metal emissions in MSW incineration was investigated using a tubular furnace and simulated MSW spiked with PVCs and heavy metals (Cd, Cr, Cu, and Zn). The molar ratio of the chlorine content to that of the heavy metal (Cl/M ratio) was varied from 3-200 as one parameter. The results indicated that the major species found in the fly ash were chlorides of alkaline and alkali-earth metals, whereas those identified in the bottom ash were MgSiO3, SiO2 and some complex aluminates and silicates. The emission of heavy metals and/or their compounds, with extreme and medium volatility, tended to be enhanced within the lower Cl/M range, whereas those with a refractory volatility were likely to be affected within the higher Cl/M range. However, those with an extremely refractory volatility were less affected by an increase of the Cl/M ratio. The variation of speciation and partitioning in MSW combustion as affected by the Cl/M ratio are discussed.

原文???core.languages.en_GB???
頁(從 - 到)833-844
頁數12
期刊Journal of Environmental Science and Health - Part A Toxic/Hazardous Substances and Environmental Engineering
36
發行號5
DOIs
出版狀態已出版 - 2001

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