According to Chemistry: A World of Choices by Paul Kelter, James Carr, and Andrew Scott published in 2003, 97.34% of Earth's water takes the form of salt water in oceans, seas, and lakes. Desalination, a workable but expensive process, can convert this resource into drinkable water. Given a pressing worldwide water shortage, an urgent need exists for alternative desalination technologies to make available cheap and reliable sources of water for the world's growing population, as well as to meet its industrial needs. Moreover, research into improved desalination holds many benefits, particularly for Singapore, an island nation with limited freshwater but plenty of seawater.
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