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利用三相平衡模型的污染场地异位修复VOCs无组织排放源强分析 预览

Intensity Analysis of Fugitive Emissions of VOCs for Ex-situ Remediation of Contaminated Sites by ASTM Three-phase Equilibrium Model
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摘要 为评估污染场地异位修复开挖施工过程中VOCs无组织排放对周围环境的影响,对施工开挖过程VOCs无组织排放进行了分析,并利用三相平衡模型计算土壤气浓度,建立模型估算土壤异位修复开挖施工过程中无组织的面源有机污染物排放强度,以此模拟估算施工过程中有机污染物对场地周边环境的影响。得出的结论包括:可以通过三相平衡模型计算土壤气浓度,来估算土壤修复开挖施工过程中无组织的面源有机污染物排放强度;可以根据污染场地周边敏感点分布情况,通过模拟,加强控制措施,合理安排施工强度,将施工过程中有机挥发气体污染的影响降低在可控范围内。 In order to estimate the environmental impact of fugitive emissions of VOCs during the excavation of ex-situ remediation of organic contaminated sites, the fugitive emissions of VOCs during the excavation were analyzed in this paper. It calculated the concentration of VOCs in soil gas by ASTM three-phase equilibrium model, and estimated the environmental impact of the organic pollutants during the excavating process. It was concluded that the soil gas concentration can be calculated by the three-phase equilibrium model to estimate the intensity of fugitive emissions of VOCs during the excavation process. According to the distribution of sensitive spots around the contaminated sites, the control measures should be strengthened, and the excavation can be reasonably arranged by simulations. The impact of fugitive VOCs during the excavation process will be reduced within the controllable range.
作者 毛华云 MAO Hua-yun ( Beijing Municipal Appraisal Center for Environmental Impact Assessment, Beijing 100161, China)
出处 《环境影响评价》 2017年第6期52-55,共4页 Environment and Ecology in the Three Gorges
关键词 有机污染气体 异位修复 无组织排放 三相平衡模型 环境影响评价 VOCs ex-situ remediation fugitive emission ASTM three-phase equilibrium model environmental impact assessment
作者简介 毛华云(1984-),男,四川人,助理研究员,硕士,主要研究方向为环境影响评价,E—mail:mhybluesky@163.com
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