Chapter 3 - Global potential for renewable energy powered desalination in the irrigation sector
Caldera, Upeksha; Breyer, Christian (2022-10-14)
Huom!
Sisältö avataan julkiseksi: 15.10.2024
Sisältö avataan julkiseksi: 15.10.2024
Post-print / Final draft
Caldera, Upeksha
Breyer, Christian
14.10.2022
53-92
Academic Press
School of Energy Systems
Julkaisun pysyvä osoite on
https://urn.fi/URN:NBN:fi-fe2022102563230
https://urn.fi/URN:NBN:fi-fe2022102563230
Tiivistelmä
Water scarcity poses one of the greatest threats to conventional irrigation systems, a sector whose water demand is continuously growing. Despite the reliance on irrigation, the average global irrigation efficiency is estimated to be only 35%, with a maximum growth of 0.3% per year relative to the respective basis. As freshwater resources dwindle, seawater desalination becomes an increasingly reliable and cost-competitive water supply not just for municipal and industrial sectors, but also the irrigation sector. Improvements in the water use efficiency of the global irrigation sector can reduce the global water demand by 10%–30% by 2050, relative to a business-as-usual scenario. The corresponding reduction in demand for desalinated water is estimated to be about between 30% and 60%. In addition, transitioning the global seawater desalination sector from the current fossil-based system to a 100% renewable-energy-based sector by 2050 enables water production costs globally in the range of 0.32––1.66 €/m3. Solar photovoltaics and battery energy storage are the key pillars of the energy supply system for low-cost desalination. Improvements in irrigation efficiency can reduce the investments required for the energy system by as much as 60%.
Lähdeviite
Caldera, U., Breyer, C. (2023). Chapter 3 - Global potential for renewable energy powered desalination in the irrigation sector. Energy Storage for Multigeneration, Academic Press, pp. 53-92. ISBN 9780128219201. DOI: 10.1016/B978-0-12-821920-1.00010-8.
Alkuperäinen verkko-osoite
https://www.sciencedirect.com/science/article/pii/B9780128219201000108Kokoelmat
- Tieteelliset julkaisut [1333]