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Numerous reports by the United Nations and the World Health Organization have indicated a significant worldwide problem with water pollution and accessibility to potable drinking water exists. Due to technological and economical barriers, the problem with water pollution is particularly more serious f or under-developed and developing countries. Current water purification systems including sand filters, b iofilters, chlorination units, solar-based systems, a nd clay-based filters are branded globally as a mea ns to address this problem. However, these systems have presented considerable limitations with their applications including high cost and lack of availa bility in rural areas. In conjunction with continui ng and intensive worldwide efforts to address water pollut ion problems and accessibility to potable drinking water, researchers at Illinois Institute of Technol ogy and Tecnologico de Monterrey have developed a low-cost, clay-based water purification system call ed Klaraqua for developing countries and sensitive areas in need of clean water. Focusing on sustainab le development, Klaraqua’s mission is to promote health, hygiene, and economic prosperity. Klaraqua was developed taking into consideration local wate r usage issues, cultural factors, and social economic s. Engineering and economic feasibility of Klaraqua were evaluated during initial study in rural commun ities of Monterrey in Mexico. Results have indicat ed simplicity of design, potentiality for local materi al use, and ease of production, empower inhabitants to build, commercialize and use this system locally. The system can be easily modified to extend its rea ch beyond Mexico to provide other developing regions of the world with potable drinking water.
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