Membrane-based processes for sustainable power generation using water

Bruce E. Logan, Menachem Elimelech

Research output: Contribution to journalArticlepeer-review

862 Scopus citations

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. © 2012 Macmillan Publishers Limited. All rights reserved.
Original languageEnglish (US)
Pages (from-to)313-319
Number of pages7
JournalNature
Volume488
Issue number7411
DOIs
StatePublished - Aug 16 2012
Externally publishedYes

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