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当前位置: 首页 > 文章 > 可渗透反应墙对湖南省镉污染场地的修复分析 安徽农业科学 2014 (27) 252-254
Position: Home > Articles > The Remediation Analysis of Permeable Reactive Barrier( PRB) for Hunan Cadmium-polluted Sites Journal of Anhui Agricultural Sciences 2014 (27) 252-254

可渗透反应墙对湖南省镉污染场地的修复分析

作  者：
潘琼
单  位：
长沙环境保护职业技术学院
关键词：
可渗透反应墙;硫酸锌;反应介质;污染修复
摘  要：
可渗透反应墙是一种在原位对污染物进行拦截、阻断和补救的污染处理技术,其关键是筛选适宜的反应介质。通过对湖南省硫酸锌行业进行深入调研,发现硫酸锌企业均沿湘江及其支流而建,对湘江污染严重,纳入湘江重金属污染治理方案中。同时通过对硫酸锌企业所处位置的地质条件进行踏勘,得出该区域适宜建连续式可渗透反应墙。因此对该区域污染场地产生的渗滤液原样进行试验,选用石灰石(80~100目)与砾石(10~20目)作为PRB的介质材料,最优配比为0.45时,能最经济有效去除地下水污染中的Zn、Cd。
译  名：
The Remediation Analysis of Permeable Reactive Barrier( PRB) for Hunan Cadmium-polluted Sites
作  者：
PAN Qiong;Changsha Environmental Protection College;
关键词：
Permeable Reactive Barrier(PRB);;Zinc sulfate;;Reaction medium;;Pollution remediation
摘  要：
Permeable Reactive Barrier( PRB) is a technology of pollution treatment via in-situ interception,barrier and remediation of the contaminant,the key for which is to identify suitable reactive medium. In this paper,through in-depth investigation and survey of Hunan zinc sulfate industry,it has been found that zinc sulfate manufacturers are all incorporated along Xiang River and its tributary,causing Xiang River to be heavily polluted. They are therefore listed in pollution management scheme of heavy metal in Xiang River. Simultaneously,in term of surveying the geological condition at which zinc sulfate manufacturers are located,it would be concluded that this area is applicable to establish a continuous PRB. Therefore,the author had tested the original samples of leachates which were generated from this polluted area; we were used to select limestone( 80- 100 meshes) and gravel( 10- 20 meshes) as PRB medium. When optimum mixing ratio reaches up to 0. 45,it can most effectively remove Zn,Cd contained in polluted underground water.

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