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Issue 5, 2011

Very low temperature membrane-free desalination by directional solvent extraction

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Abstract

We demonstrate a very low temperature membrane-free desalination technology, using directional solvents capable of extracting pure water from a salt solution without themselves dissolving in the recovered water. The recovered water contains negligible residual solvent and meets WHO and EPA salinity standards. This process is demonstrated to function effectively at temperatures as low as 40 °C, thus opening up a way to utilize lower temperatures, which may be obtained inexpensively from terrestrial or solar energy or by scavenging waste heat.

Graphical abstract: Very low temperature membrane-free desalination by directional solvent extraction

Supplementary files

Article information


Submitted
10 Jan 2011
Accepted
25 Feb 2011
First published
18 Mar 2011

Energy Environ. Sci., 2011,4, 1672-1675
Article type
Communication

Very low temperature membrane-free desalination by directional solvent extraction

A. Bajpayee, T. Luo, A. Muto and G. Chen, Energy Environ. Sci., 2011, 4, 1672 DOI: 10.1039/C1EE01027A

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