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The potential of salinity gradient energy based on natural and anthropogenic resources in Sweden

Essalhi, Mohamed ; Halil Avci, Ahmet LU ; Lipnizki, Frank LU orcid and Tavajohi, Naser (2023) In Renewable Energy 215.
Abstract

This paper presents assessment of natural and anthropogenic sources of blue energy within Swedish territory to identify suitable spots for implementing new projects. The natural energy potential of salinity gradients was found to be higher in southwest Sweden, and a national energy resource potential of 2610.6 MW from seawater/river water mixing will be reduced to a technical potential ranging from 1044.3 MW to 1825.4 MW considering technical and environmental constraints. It has been found that the theoretical extractable energy potential in Sweden is equivalent to 13% of the total electricity consumption and 6.2% of the total final energy consumption by energy commodities. Anthropogenic water sources were also highlighted as promising... (More)

This paper presents assessment of natural and anthropogenic sources of blue energy within Swedish territory to identify suitable spots for implementing new projects. The natural energy potential of salinity gradients was found to be higher in southwest Sweden, and a national energy resource potential of 2610.6 MW from seawater/river water mixing will be reduced to a technical potential ranging from 1044.3 MW to 1825.4 MW considering technical and environmental constraints. It has been found that the theoretical extractable energy potential in Sweden is equivalent to 13% of the total electricity consumption and 6.2% of the total final energy consumption by energy commodities. Anthropogenic water sources were also highlighted as promising low and high-concentration solutions for SGE extraction. Gotland was identified as an attractive location for generating salinity gradient power. The total salinity gradient power obtainable by mixing municipal wastewater with seawater in Sweden was estimated to be 11.8 MW. The most promising site for this process was determined to be Gryaab AB Ryaverket in Gothenburg, which accounted for 45.8% of the total national potential from anthropogenic sources.

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author
; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Blue energy in Sweden, Natural and artificial sources, Pressure retarded osmosis, Reverse electrodialysis, Salinity gradient power
in
Renewable Energy
volume
215
article number
118984
publisher
Elsevier
external identifiers
  • scopus:85164438600
ISSN
0960-1481
DOI
10.1016/j.renene.2023.118984
language
English
LU publication?
yes
id
e3d50453-d67e-4e8c-b701-94a7d5e65d42
date added to LUP
2023-09-04 11:11:01
date last changed
2023-12-21 17:07:59
@article{e3d50453-d67e-4e8c-b701-94a7d5e65d42,
  abstract     = {{<p>This paper presents assessment of natural and anthropogenic sources of blue energy within Swedish territory to identify suitable spots for implementing new projects. The natural energy potential of salinity gradients was found to be higher in southwest Sweden, and a national energy resource potential of 2610.6 MW from seawater/river water mixing will be reduced to a technical potential ranging from 1044.3 MW to 1825.4 MW considering technical and environmental constraints. It has been found that the theoretical extractable energy potential in Sweden is equivalent to 13% of the total electricity consumption and 6.2% of the total final energy consumption by energy commodities. Anthropogenic water sources were also highlighted as promising low and high-concentration solutions for SGE extraction. Gotland was identified as an attractive location for generating salinity gradient power. The total salinity gradient power obtainable by mixing municipal wastewater with seawater in Sweden was estimated to be 11.8 MW. The most promising site for this process was determined to be Gryaab AB Ryaverket in Gothenburg, which accounted for 45.8% of the total national potential from anthropogenic sources.</p>}},
  author       = {{Essalhi, Mohamed and Halil Avci, Ahmet and Lipnizki, Frank and Tavajohi, Naser}},
  issn         = {{0960-1481}},
  keywords     = {{Blue energy in Sweden; Natural and artificial sources; Pressure retarded osmosis; Reverse electrodialysis; Salinity gradient power}},
  language     = {{eng}},
  publisher    = {{Elsevier}},
  series       = {{Renewable Energy}},
  title        = {{The potential of salinity gradient energy based on natural and anthropogenic resources in Sweden}},
  url          = {{http://dx.doi.org/10.1016/j.renene.2023.118984}},
  doi          = {{10.1016/j.renene.2023.118984}},
  volume       = {{215}},
  year         = {{2023}},
}