Cultivation of Nannochloropsis sp. in brackish groundwater supplemented with municipal wastewater as a nutrient source
Sousa, Louise Lins de, Hora, Dominique Silveira da, Sales, Emerson Andrade, Perelo, Louisa Wessels
Braz. arch. biol. technol.
DATA DE PUBLICAÇÃO
The aim of this work was to study growth potential of the green microalgae Nannochloropsis sp. using brackish groundwater from a well in the semi-arid northeast region of Brazil as culture medium. The medium was supplemented with (%) 19.4, 22.0, 44.0 and 50.0% of municipal wastewater after UASB treatment as a low-cost nutrient source. The results showed that the culture tested was capable of growing in the brackish groundwater even at salinity levels as low as 2 ppt. Furthermore it was shown that municipal wastewater could be used as a sole nutrient source for Nannochloropsis sp.
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