Adsorbent-based point-of-use system for arsenic removal in rural areas

摘要

Arsenic in groundwater is recognised as a threat to public health worldwide and specifically in rural areas of several developing countries (e.g. Bangladesh). Different treatment technologies are available or under investigation that, when properly operated, can reduce arsenic concentrations to a sufficiently low level. These technologies are inappropriate for rural communities in developing countries where arsenic-related problems are most pronounced, and where centralised water treatment facilities are frequently absent. Arsenic-related health hazards are associated with the use of arsenic-contaminated water for drinking and food preparation, corresponding to only 2-4 litres per capita per day.