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Issue 2, 2015
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Solar thermal decomposition of desalination reject brine for carbon dioxide removal and neutralisation of ocean acidity

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Abstract

Desalination plants could become net absorbers (rather than net emitters) of CO2. Thermal decomposition of salts in desalination reject brine can yield MgO which, added to the ocean, would take up CO2 through conversion to bicarbonate. The process proposed here comprises dewatering of brine followed by decomposition in a solar receiver using a heliostat field.

Graphical abstract: Solar thermal decomposition of desalination reject brine for carbon dioxide removal and neutralisation of ocean acidity

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Publication details

The article was received on 20 Sep 2014, accepted on 12 Jan 2015 and first published on 12 Jan 2015


Article type: Communication
DOI: 10.1039/C4EW00058G
Citation: Environ. Sci.: Water Res. Technol., 2015,1, 131-137

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    Solar thermal decomposition of desalination reject brine for carbon dioxide removal and neutralisation of ocean acidity

    P. A. Davies, Environ. Sci.: Water Res. Technol., 2015, 1, 131
    DOI: 10.1039/C4EW00058G

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