Cambodia Arsenic Project - Clean Drinking Water for Developing Countries

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Arsenic poisoning also known as arsenicosis occurs when a person's body contains greater than normal levels of arsenic, a semi-metallic element. The naturally occurring presence of arsenic in groundwater is a major problem in parts of Cambodia and India that affects millions of rural people.

The most common signs of arsenicosis is the hardening and discoloration of skin on the hands and feet, known as keratosis or melanosis. These skin lesions are prone to infection and gangrene and in extreme cases amputation is necessary to relieve suffering. Beyond these external manifestations, arsenic consumption also increases the risk of developing various internal cancers, most commonly lung and skin cancer.

The Kanchan Arsenic Filter, Phase I Technical Report FINAL Sep08 Study has demonstrated that iron oxide or common rust has the ability to remove arsenic from water through adsorption. The arsenic becomes attached to the iron oxide and is removed from water. We have used this method of arsenic removal for our bio-sand filter and developed a construction drawing that can be used by any interested party such as non-profits, government agencies or NGOs to help provide safe drinking water in areas where arsenic levels are unsafe.


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