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钢铁厂及其周围环境中二噁(口英)和多氯联苯土-气交换研究 被引量：3

Estimation on the Soil-Air Exchange of PCDD /Fs and PCBs around an Iron and Steel Making Plant
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摘要 利用逸度模型及其相关算法,研究了东北某钢铁厂及其周围居住区、背景对照区二噁(口英)和多氯联苯污染物土-气迁移方向和交换通量。结果表明,二噁(口英)主要由大气向土壤迁移,其土-气交换通量为每月618～5373mg/km2,多氯联苯污染物主要由土壤向大气迁移,交换通量为每月47～230mg/km2。基于实测污染物的浓度和逸度模型能较好地估算该地区二噁(口英)、多氯联苯等持久性有机污染物的土-气界面迁移规律。 The soil-air exchange of PCDD /Fs and PCBs were investigated using fugacity based model from an iron and steel making plant,and the surrounding residential area and background areas,Northeastern China.The PCDD /Fs were found transferred from air to the soil,with an estimated exchange flux of 618 ～ 5373mg /km2 /month.The PCBs were transferred from the soil to air,with an estimated exchange flux of 47 ～ 230mg /km2 /month.The determined concentrations of chemicals and the fugacity based model can be combined together to well estimate the soil-air exchange of PCDD /Fs and PCBs in the local area.
作者 李英明 张庆华 杨洪彪 江桂斌
机构地区 中国科学院生态环境研究中心 鞍山市环境监测中心站
出处 《中国环境监测》 CAS CSCD 北大核心 2010年第4期1-4,共4页 Environmental Monitoring in China
基金 环境保护部全国土壤现状调查及污染防治项目(2110402)
关键词 二噁(口英) 多氯联苯 钢铁厂 土-气交换 逸度模型 PCDD /Fs PCBs Iron and steel making plant Soil-air exchange Fugacity model
分类号 X825 [环境科学与工程—环境工程]
  • 相关文献

参考文献13

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二级参考文献18

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共引文献10

同被引文献67

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引证文献3

二级引证文献7

中国环境监测
2010年 第4期

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