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Investigating the potential for energy saving in capacitive deionisation systems for water purification

The aim of this work is to analyse the power consumption and the patterns of charging and discharging cycles in order to estimate the benefits of the control method proposed, and then to estimate the power consumption used for the capacitive deionisation. The process of deionisation consists of sequential charging and discharging cycles of a large capacitance reactor and this stored energy can be reused. This in particular is important for the comparison between the proposed method and those used conventionally.

The analysis will present the estimates for cost, consumption and savings in per-unit values so the system capacity can be easily rescaled. Also, the investigation should propose the preferred method and technology (energy manager) to achieve the anticipated savings. Upon completion of the project, Ur-Water shall receive from Institute IMDEA Energy a final report with all the documentation for the potential exploitation of the obtained results.

Partners: Ur-Water; IMDEA Energy Institute 
Funding Institution: Ur-Water
Period: January-December 2011
Principal researcher: Milan Prodanovic