The governing geochemical processes responsible for mobilisation of arsenic in sedimentary aquifer of Bengal Delta Plain

被引：0
|
作者：
Mukherjee, M [1 ]
Sahu, SJ [1 ]
Roy, S [1 ]
Jana, J [1 ]
Bhattacharya, R [1 ]
Chatterjee, D [1 ]
De Dalal, SS [1 ]
Bhattacharya, P [1 ]
Jacks, G [1 ]
机构：
[1] Kalyani Univ, Dept Chem, Kalyani 741235, W Bengal, India
来源：
GROUNDWATER 2000 | 2000年
关键词：
arsenic; groundwater; geochemical process;
D O I：
暂无
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
In Bengal Delta Plain (Bangladesh and West Bengal) the high occurrence of arsenic in groundwater has been noticed during groundwater development. Oxidation and reduction model has been suggested to understand the release of arsenic in ground-water. Examination of groundwater quality reveals that the water is anoxic with high dissolved iron (II), phosphate, bicarbonate and low nitrate and sulphate. Arsenic is derived as a consequence of desorption and reductive dissolution of Fe oxyhydroxide occurring as coatings on sedimentary grains.
引用
收藏
页码：201 / 202
页数：2
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