The Sawazi water purification system can produce safe drinking water in minutes. The technology not only removes 99.9% of microorganisms such as bacteria, viruses and protozoa, but also has the ability to precipitate out heavy-metal pollutants. Read more… http://www.engineeringnews.co.za/article/npo-develops-mobile-purification-system-educates-rural-communities-2012-10-12
