Membrane-based processes for sustainable power generation using water

Bruce E. Logan () and Menachem Elimelech
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Bruce E. Logan: 212 Sackett Building, The Pennsylvania State University
Menachem Elimelech: Yale University

Nature, 2012, vol. 488, issue 7411, 313-319

Abstract: Abstract Water has always been crucial to combustion and hydroelectric processes, but it could become the source of power in membrane-based systems that capture energy from natural and waste waters. Two processes are emerging as sustainable methods for capturing energy from sea water: pressure-retarded osmosis and reverse electrodialysis. These processes can also capture energy from waste heat by generating artificial salinity gradients using synthetic solutions, such as thermolytic salts. A further source of energy comes from organic matter in waste waters, which can be harnessed using microbial fuel-cell technology, allowing both wastewater treatment and power production.

Date: 2012
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DOI: 10.1038/nature11477

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