Author(s): Graham Symmonds P. Eng.
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Abstract: Water and energy are inextricably linked. Moving water, heating water, treating water are each enormously energy intensive. Further, the very production of power consumes vast quantities of water. In an ironic twist, as the world reaches deeper into the ground for water supplies, and moves farther afield to access water, getting that water to where it is needed requires more power, which in turn requires more water. Water scarcity and the energy intensity of water are placing extreme pressure on natural resources and power systems throughout the world. That water/energy nexus -the link between power and water - demands that the most power efficient systems be deployed first, and then augmented by power intensive technologies for only the minimum volumes associated with potable water production.
Year: 2009