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题名: Emission, distribution and toxicity of polycyclic aromatic hydrocarbons (PAHs) during municipal solid waste (MSW) and coal co-combustion
作者: Peng, Nana; Li, Yi; Liu, Zhengang; Liu, Tingting; Gai, Chao
刊名: SCIENCE OF THE TOTAL ENVIRONMENT
出版日期: 2016-09-15
卷号: 565, 页码:1201-1207
关键词: Flue gas ; Bottom ash ; Fly ash ; Synergistic interaction ; PAHs
DOI: 10.1016/j.scitotenv.2016.05.188
部门归属: 固体废弃物处理与资源化实验室
英文摘要: Emission and distribution characteristics of polycyclic aromatic hydrocarbons (PAHs) were investigated during municipal solid waste (MSW) and coal combustion alone and MSW/coal blend (MSW weight fraction of 25%) co-combustion within a temperature range of 500 degrees C-900 degrees C. The results showed that for all combustion experiments, flue gas occupied the highest proportion of total PAHs and fly ash contained more high-ring PAHs. Moreover, the 3- and 4-ring PAHs accounted for the majority of total PAHs and Ant or Phe had the highest concentrations. Compared to coal, MSW combustion generated high levels of total PAHs with the range of 111.28 mu g/g-10,047.22 mu g/g and had high toxicity equivalent value (TEQ). MSW/coal co-combustion generated the smallest amounts of total PAHs and had the lowest TEQ than MSW and coal combustion alone. Significant synergistic interactions occurred between MSW and coal during co-combustion and the interactions suppressed the formation of PAHs, especially hazardous high-ring PAHs and decreased the TEQ. The present study indicated that the reduction of the yield and toxicity of PAHs can be achieved by co-combustion of MSWand coal. (C) 2016 Elsevier B.V. All rights reserved.
收录类别: SCI
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内容类型: 期刊论文
URI标识: http://ir.rcees.ac.cn/handle/311016/35778
Appears in Collections:固体废弃物处理与资源化实验室_期刊论文

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