Available Technology

Flow-Through Electrode Capacitive Desalination

According to U.S. Department of Agriculture statistics, more than one billion people lack access to clean water. The number is growing as needs for clean water increase with population growth, urbanization, pollution, and the increased use of water in households and manufacturing industries. Water scarcity and poor water quality increase the risks associated with disease and political conflicts, which makes the lack of clean water a major global crisis. Many areas that have no access to potable water do have access to salty water in some form, including seawater, brackish surface water, or groundwater. In response, coastal cities in both developed and emerging nations are building seawater desalination facilities. The development of technologies that can produce clean drinking water from brackish sources or seawater cheaply and without substantial infrastructure demands is essential for ensuring peace and prosperity on a worldwide scale. The most widely used desalination methods, such as reverse osmosis (RO) or multi-stage flash distillation, require large amounts of power and infrastructure to generate the pressures or temperatures needed to produce clean water.
Patent Abstract: 
LLNL has developed an innovative technology known as flow-through electrode capacitive desalination (FTE-CD) that promises to unlock an almost inexhaustible water source for U. S.
applications 
Internal Laboratory Ref #: 
26012
Lab Representatives
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