Practical POU Sanitization Method for Drinking Water Used in Developing Countries
By Robert Y. Ning, Ph.D.
The United Nations agencies estimate that 1.1 billion people, primarily in the developing world, drink unsafe water (1). Of that number, some 2.2 million people die each year from exposures to poor sanitation and contaminated water; the majority of them are infants and children less than five years of age (2-4). Not estimated are the less lethal illnesses triggered by parasites, diarrhea, and malnutrition due to the drinking of biologically contaminated water. Considering that a person must consume 2.5 quarts of clean water daily to maintain health, it seems that a simple, practical, inexpensive, easily available, sustainable device to sanitize drinking water at the point-of-use (POU) can rid mankind of this scourge. We have a vision for such a device, using the well-known activated alumina as a regenerable filtration medium.
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