PCDD/F enviromental impact from municipal solid waste bio-drying plant

被引：26
|
作者：
Rada, E. C. [1 ]
Ragazzi, M. [1 ]
Zardi, D. [1 ]
Laiti, L. [1 ]
Ferrari, A. [1 ]
机构：
[1] Univ Trento, Dept Civil & Environm Engn, I-38050 Trento, Italy
来源：
CHEMOSPHERE | 2011年 / 84卷 / 03期
关键词：
PCDD/F; Emission factor; Bio-drying; Exposure pathways; Deposition; DISPERSION MODEL; DIOXIN; LAYER;
D O I：
10.1016/j.chemosphere.2011.04.019
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The present work indentifies some environmental and health impacts of a municipal solid waste bio-drying plant taking into account the PCDD/F release into the atmosphere, its concentration at ground level and its deposition. Four scenarios are presented for the process air treatment and management: biofilter or regenerative thermal oxidation treatment, at two different heights. A Gaussian dispersion model, AERMOD, was used in order to model the dispersion and deposition of the PCDD/F emissions into the atmosphere. Considerations on health risk, from different exposure pathways are presented using an original approach. The case of biofilter at ground level resulted the most critical, depending on the low dispersion of the pollutants. Suggestions on technical solutions for the optimization of the impact are presented. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：289 / 295
页数：7
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