Water Desalination
Today, two thirds of the world population lives under severe water scarcity, especially in rural areas and developing countries.
Seawater and brackish water desalination is a major source of portable water for many countries and regions. Reverse osmosis and multi-stage distillation are mature technologies for large scale desalination. However, they are centralized water source which relies on infrastructure to operate and deliver water to household. In rural areas with limited energy and water infrastructure, these two technologies are not economically feasible.
Electrochemical system provides an unique solution to this problem. It is more energy efficient for small scale and brackish water desalination, which makes it an ideal technology to help rural population to have clean water access.
By engineering the flow media and cell structure of an electrodialysis system, we designed an electrochemical cell that can continuously remove ions in sea water and generate fresh water with much higher efficiency.
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