期刊
PROCESSES
卷 10, 期 1, 页码 -出版社
MDPI
DOI: 10.3390/pr10010153
关键词
solar ORC desalination; solar supercritical CO2; solar desalination; solar reverse osmosis
资金
- European Regional Development Fund, Interreg Atlantic Area
- EERES4WATER Project [EAPA_1058/2018]
- University of Seville [2019/00000359]
This article reviews and assesses the latest design proposals in the field of desalination powered by renewable energies, focusing on the use of solar power cycles. The organic Rankine cycle and the supercritical CO2 power cycle are considered as two promising options. The designs found in the literature are grouped into three main types of systems, each with different desalination technologies and cooling methods. Design recommendations are provided based on the assessment of these proposals.
In the field of desalination powered by renewable energies, the use of solar power cycles exhibits some favorable characteristics, such as the possibility of implementing thermal energy storage systems or a multi-generation scheme (e.g., electricity, water, cooling, hydrogen). This article presents a review of the latest design proposals in which two power cycles of great potential are considered: the organic Rankine cycle and the supercritical CO2 power cycle, the latter of growing interest in recent years. The designs found in the literature are grouped into three main types of systems. In the case of solar ORC-based systems, the option of reverse osmosis as a desalination technology is considered in medium-temperature solar systems with storage but also with low-temperature using solar ponds. In the first case, it is also common to incorporate single-effect absorption systems for cooling production. The use of thermal desalination processes is also found in many proposals based on solar ORC. In this case, the usual configuration implies the cycle's cooling by the own desalination process. This option is also common in systems based on the supercritical CO2 power cycle where MED technology is usually selected. Designs proposals are reviewed and assessed to point out design recommendations.
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