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- Title
Study of solar still in groundwater treatment in Brazilian northeast.
- Authors
Steffane da Silva, Karyna; Vilar de Brito, Yohanna Jamilla; Barbosa Silva, Camylla; Cavalcante de Lima, Geralda Gilvania; Machado de Medeiros, Keila; Pereira de Lima, Carlos Antônio
- Abstract
To combat water scarcity, technologies have been developed to assist the population. Among these we can mention the desalination of brackish water by solar energy since this energy is abundant in Brazil Northeast region. Thus, two models of solar stills were built one with a double slope solar still and the other with a pyramid solar still, both with equal areas, in order to verify the potential of these stills in relation to productivity. The experiments were carried out in the city of Campina Grande/Paraiba/Brazil, being submitted to the same climatic conditions on the same day. The pyramid solar still produced an average of 2,508.0 mL·m-2 and the double slope solar still 2,329.0 mL·m-2, which indicates a slightly higher yield of the pyramid solar still with a measure of 7.13%. This manuscript aims to contribute to the scarcity of comparative studies between stills with different formats, verifying that this greater productivity of pyramidal stills can be attributed to the fact that they receive extra sunlight because they have four sides, in addition to having a larger condensation area, obtaining water treated with potability standards for human consumption, meeting the demand for fresh water in isolated communities in semiarid regions.
- Subjects
PARAIBA (Brazil : State); BRAZIL; SOLAR stills; WATER shortages; BRACKISH waters; ARID regions; GROUNDWATER; FRESH water
- Publication
Desalination & Water Treatment, 2023, Vol 293, p14
- ISSN
1944-3994
- Publication type
Article
- DOI
10.5004/dwt.2023.29550