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Sistema integrado de desalación por energías renovables sin emisión de salmuera

Authors: Fernández López, Carmen; Viedma Robles, Antonio; Herrero Martín, Ruth; Sánchez Kaiser, Antonio;

Sistema integrado de desalación por energías renovables sin emisión de salmuera

Abstract

Los efectos medioambientales son uno de los principales problemas de las instalaciones de desalación de agua de modo masivo. Para alcanzar el objetivo ideal de evitar la descarga de salmuera de rechazo en la desalación de agua de mar, la sal debe ser completamente separada del agua, obteniéndola como un producto secundario de valor económico. Si además no se desea aumentar las emisiones de CO2, la energía necesaria debe extraerse de una combinación de fuentes renovables. Este trabajo presenta un análisis de un esquema integrado de desalación consistente en dos subsistemas secuenciales: una planta de destilación multiefecto (MED) y un ciclo evaporativo por compresión mecánica de vapor (CMV). La energía se obtiene de varias turbinas eólicas y de un campo de colectores solares. El sistema diseñado produce 100 m3/h de agua dulce con total separación de la sal y el agua. El consumo energético estimado es de 2.362 Kwt-h por el sistema MED y 1.944 Kwe-h por el CMV. Al utilizar energías renovables la reducción de emisiones de CO2 a la atmósfera al año es de 8.957 Tn debidas al consumo eléctrico y 6.584 Tn al consumo térmico. Se ha realizado un estudio preliminar de la inversión, la amortización y los costes de explotación del sistema completo. Teniendo en cuenta los precios de la venta de la energía producida y de la sal, el precio del agua sería de 0,59 €/m3. Con una subvención inicial del 35%, se podría reducir a 0,41 €/m3.

Country
Spain
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Keywords

Emisión CO2, Salmuera, Energía eólica, Mecánica de Fluidos, 3322.05 Fuentes no Convencionales de Energía, Desalación, Colectores solares

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
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