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Inicio  /  Water  /  Vol: 16 Par: 6 (2024)  /  Artículo
ARTÍCULO
TITULO

Cost Studies of Reverse Osmosis Desalination Plants in the Range of 23,000?33,000 m3/day

J. Feo-García    
A. Pulido-Alonso    
A. Florido-Betancor and N. R. Florido-Suárez    

Resumen

The analysis of energy consumption in reverse osmosis desalination plants is the most important and relevant factor to study, because this parameter indicates the level of efficiency and competitiveness of the plant. The direct consequence of the high specific energy consumption (SEC) of a desalination plant in the production of water is one of the main obstacles to the exponential expansion of this technology worldwide. The methodological procedure used to carry out the work is based on the analysis of energy consumption, maintenance costs, staff, membranes, and reagents of three desalination plants with a production of more than 23,000 m3/day located in the Canary Islands (Spain); all data are obtained from real analyses collected ?in situ? from 2015 to 2018. One of the main objectives of the current research on desalination plants is to reduce the SEC of seawater desalination plants (SWRO), incorporating energy recovery systems (ERS) and high efficiency pumps (HEP), and to implement different operational configurations with the aim of minimizing the energy requirements necessary to obtain a good product quality at minimum production cost.

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