Vacuum water cleaner

Pierce, Julia
September 2003
Engineer (00137758);9/26/2003, Vol. 292 Issue 7636, p16
Reports on the development of a water desalination technique by U.S. researchers designed to help meet the growing need for fresh water in many parts of the world. Use of a gravity-induced vacuum and solar energy; Principle of barometric pressure to create a vacuum in a vertical tube; Rate of evaporation.


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