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Title: Optimization of Energy Efficiency, Operation Costs, Carbon Footprint and Ecological Footprint with Reverse Osmosis Membranes in Seawater Desalination Plants
Authors: León Zerpa, Federico Antonio 
Ramos Martín, Alejandro 
Pérez Báez, Sebastián Ovidio 
UNESCO Clasification: 330806 Regeneración del agua
Keywords: Energy efficiency
Reverse osmosis
Issue Date: 2021
Project: Mitigación del cambio climático a través de la innovación en el ciclo del agua mediante tecnologías bajas en carbono 
Journal: Membranes 
Abstract: This article shows the optimization of the reverse osmosis process in seawater desalination plants, taking the example of the Canary Islands, where there are more than 320 units of different sizes, both private and public. The objective is to improve the energy efficiency of the system in order to save on operation costs as well as reduce the carbon and ecological footprints. Reverse osmosis membranes with higher surface area have lower energy consumption, as well as energy recovery systems to recover the brine pressure and introduce it in the system. Accounting for the operation, maintenance and handling of the membranes is also important in energy savings, in order to improve the energy efficiency. The energy consumption depends on the permeate water quality required and the model of the reverse osmosis membrane installed in the seawater desalination plant, as it is shown in this study.
ISSN: 2077-0375
DOI: 10.3390/membranes11100781
Source: Membranes [ISSN 2077-0375], v. 11 (10), 781, (Octubre 2021)
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