NDLI: Estimativa do tempo de exposição à radiação solar para desinfecção de águas residuárias domésticas

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Estimativa do tempo de exposição à radiação solar para desinfecção de águas residuárias domésticas

Content Provider	Semantic Scholar
Author	Queluz, João Gabriel Thomaz Nicolete, Donizeti Aparecido Pastori Alves, Thaís Regina Sánchez-Román, Rodrigo Máximo
Copyright Year	2015
Abstract	The reuse of domestic wastewater in agriculture is an important procedure for the management of water resources. However, these waters contain pathogens which must be previously inactivated. A promising option for the treatment of these waters is solar disinfection. Therefore, the aim of this study was to estimate the time of exposure to solar radiation required for disinfection of domestic wastewater to appropriated levels for agricultural reuse, considering variations of spatial and temporal incidence of solar radiation in the state of Sao Paulo, Brazil. For this, a mathematical model was used, which represents the remaining population of fecal coliforms in wastewater after its exposure to a certain dose of solar radiation and the solar radiation data were obtained from the SWERA project. From this, 12 maps were generated to represent the efficiency of solar disinfection for all seasons and for three concentrations of total suspended solids in domestic wastewater. The results indicate that the efficiency of solar disinfection varies from season to season. Besides, the best results are obtained in the spring and worse in winter. Moreover, it was observed that the lower the concentration of suspended solids, the greater the potential application of solar disinfection in the state of Sao Paulo.
Starting Page	1
Ending Page	6
Page Count	6
File Format	PDF HTM / HTML
Volume Number	11
Alternate Webpage(s)	https://www.scientiaplena.org.br/sp/article/download/1970/1208
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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