首页> 外文会议>International Conference on Groundwater Research, Jun 6-8, 2000, Copenhagen, Denmark >A renovative low cost technique for removal of arsenic from groundwater ― Integrated field study
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A renovative low cost technique for removal of arsenic from groundwater ― Integrated field study

机译:一种新颖的低成本去除地下水中砷的技术-综合田间研究

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Groundwater, the vital natural resource is used throughout the world for irrigation and drinking purposes due to its easy availability, dependability and cost effectiveness. Abstraction of this resource in the Bengal Delta Plain resulted in high arsenic groundwater contamination exhibiting severe health hazards among the affected population. Several remedial options though adopted for alternative supply, remained unsuccessful on long term basis. In sedimentary system arsenic remain adsorbed on Fe / Al oxides / hydroxides; therefore application of natural geo-chemical material with Fe / Al hydroxides in different ratios phases 'Laterite' is a suitable low cost fixed bed arsenic adsorber. The material is developed, tested and effectively used as filter media in field trial to gauge the techno-commercial viability.
机译:地下水是世界上最重要的自然资源,由于其易于获取,可靠和具有成本效益,因此在全世界用于灌溉和饮水。在孟加拉三角洲平原提取该资源导致高砷地下水污染,在受影响人口中表现出严重的健康危害。尽管采取了几种补救措施来替代供应,但长期来看仍然没有成功。在沉积体系中,砷保持吸附在Fe / Al氧化物/氢氧化物上。因此,使用具有不同比例相的Fe / Al氢氧化物的天然地球化学材料'Laterite'是一种合适的低成本固定床砷吸附剂。该材料经过开发,测试并有效地用作现场试验中的过滤介质,以评估技术商业可行性。

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