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Updated by Practical Answers on Mar 23, 2014
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Water and sanitation

Appropriate technologies that meet the demands for domestic water supplies and for wider productive are particularly important to people living in poorer communities. Low cost sanitation approaches are also important to these communities to improve health and wellbeing of people.

A Small-scale Arsenic and Iron Removal Plant | Practical Action

This brief looks at a low-cost technology for arsenic and iron removal.

Artificial Aquifer Tube-well | Practical Answer

Artificial Aquifer Tube-well is an innovation to treat contaminated surface water for domestic use on the saline-prone coast and arsenic & iron contaminated parts of Bangladesh. The recharging structure resembles the natural underground aquifer, which is the source of groundwater.

SODIS - Solar Water Disinfection in Sri Lanka | Practical Answer

A simple way to make water safe to drink by using plastic bottles.