DESALINATION DESALINATION “… “… Water, water, Water, water, everywhere, everywhere, Nor any drop to drink.” Nor any drop to drink.” The Rime of the Ancient Mariner - The Rime of the Ancient Mariner - Samuel Taylor Samuel Taylor Coleridge Coleridge Shane Walker Shane Walker CE 397 - Transboundary Water Resources CE 397 - Transboundary Water Resources 20 OCT 05 20 OCT 05
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DESALINATION “…Water, water, everywhere, Nor any drop to drink.” The Rime of the Ancient Mariner - Samuel Taylor Coleridge Shane Walker CE 397 - Transboundary.
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DESALINATIONDESALINATION
“…“…Water, water, everywhere, Water, water, everywhere, Nor any drop to drink.”Nor any drop to drink.”
The Rime of the Ancient Mariner - The Rime of the Ancient Mariner - Samuel Taylor Samuel Taylor ColeridgeColeridge
Shane WalkerShane WalkerCE 397 - Transboundary Water CE 397 - Transboundary Water
ResourcesResources20 OCT 0520 OCT 05
OverviewOverview
• Motivation/IntroductionMotivation/Introduction
• Current UseCurrent Use
• ProcessesProcesses
• Case StudiesCase Studies
MotivationMotivation
~0.008%
MotivationMotivation44 % of the world's population live within 150 44 % of the world's population live within 150 kilometers of the coast. kilometers of the coast.
In 2001, over In 2001, over halfhalf the world's population lived the world's population lived within 200km of a coastline. within 200km of a coastline. http://www.oceansatlas.org/servlet/CDSServlet?status=ND0xODc3JmN0bl9pbmZvX3ZpZXdfc2l6ZT1jdG5faW5mb192aWV3X2Z1bGwmNj1lbiYzMz0qJjM3PWtvcw~~http://www.oceansatlas.org/servlet/CDSServlet?status=ND0xODc3JmN0bl9pbmZvX3ZpZXdfc2l6ZT1jdG5faW5mb192aWV3X2Z1bGwmNj1lbiYzMz0qJjM3PWtvcw~~
• > 100 desalination plants in Texas > 100 desalination plants in Texas providing 40 MGD drinking water + providing 40 MGD drinking water + 5~10 MGD brine.5~10 MGD brine.
• In comparison, the oil & gas industry In comparison, the oil & gas industry re-injects more than 400 MGD of re-injects more than 400 MGD of brine in the Permian Basin alone.brine in the Permian Basin alone.
Reduction in use of Reduction in use of stressed stressed surface/ground water surface/ground water sources; allow for sources; allow for environmental flowsenvironmental flows
Reduce need of Reduce need of reservoirs for reservoirs for municipal consumptionmunicipal consumption
Case Study: Jubail, Saudi Case Study: Jubail, Saudi ArabiaArabia
• World’s Largest World’s Largest DesalDesal(Construct. By 3 Japanese (Construct. By 3 Japanese Co.)Co.)
““We need a global approach to this from We need a global approach to this from all sides. We need to educate people, we all sides. We need to educate people, we need the scientists to create new need the scientists to create new technologies, we need the engineers to technologies, we need the engineers to create the networks, we need every create the networks, we need every human being to be aware of how human being to be aware of how precious water is and save it.” precious water is and save it.”