ScienceDaily (Mar. 23, 2010) — A new approach to desalination being developed by researchers at MIT and in Korea could lead to small, portable desalination units that could be powered by solar cells or batteries and could deliver enough fresh water to supply the needs of a family or small village. As an added bonus, the system would also remove many contaminants, viruses and bacteria at the same time.
http://www.sciencedaily.com/releases/2010/03/100323161505.htm