by Staff Writers
South Bend, Ind. (UPI) Aug 4, 2011
U.S. researchers have reviewed the current state of seawater desalination technology and its potential as a sustainable solution to global water shortages.
William Phillip of the University of Notre Dame and Menachem Elimelech at Yale University analyzed how seawater desalination technology has advanced in the past 30 years and in what ways the technology can be improved, a Notre Dame release said Thursday.
"At present, one-third of the world's population lives in water stressed countries," Phillip said. "Increasing population, contamination of fresh water sources and climate change will cause this percentage to increase over the coming decade."
Despite major advancements in desalination technologies, the process is still more energy intensive than conventional technologies for the treatment of freshwater, the researchers said.
"However, these traditional sources aren't going to be able to meet the growing demand for water worldwide," Phillip said.
Elimelech and Phillip reviewed the possible reductions in energy demand by state-of-the-art desalination technologies and the potential role of advanced materials and innovative technologies in improving efficiency.
"Hopefully, our paper helps provide some of the information needed to inform the decisions of policy makers, water resource planers, scientists, and engineers on the suitability of desalination as a means to meet the increasing demands for water," the researchers said.
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Hong Kong tycoon to buy British water utility
Hong Kong (AFP) Aug 2, 2011
Hong Kong billionaire Li Ka-shing on Tuesday announced his firm would buy one of Britain's biggest water utilities in a deal worth nearly $4 billion. The move is the latest by the Hong Kong tycoon into Britain's utility sector after he bought the British power distribution network of French electricity giant EDF in November. That deal was the largest deal by a Hong Kong entity in the cou ... read more
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