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Original scientific paper
https://doi.org/10.13044/j.sdewes.d5.0137

Potential of Duckweed for Swine Wastewater Nutrient removal and Biomass Valorisation through Anaerobic Co-digestion

Luis Pena ; Instituto Superior de Agronomia, University of Lisbon, Tapada da Ajuda 1349-017, Lisboa, Portugal
Margarida Oliveira ; Escola Superior Agrária de Santarém, Politecnic Institute of Santarém, Quinta do Galinheiro, São Pedro 2001-904, Santarém, Portugal
Rita Fragoso ; Instituto Superior de Agronomia, University of Lisbon, Tapada da Ajuda 1349-017, Lisboa, Portugal
Elizabeth Duarte ; Instituto Superior de Agronomia, University of Lisbon, Tapada da Ajuda 1349-017, Lisboa, Portugal

Fulltext: english, pdf (673 KB) pages 127-138 downloads: 382* cite
APA 6th Edition
Pena, L., Oliveira, M., Fragoso, R. & Duarte, E. (2017). Potential of Duckweed for Swine Wastewater Nutrient removal and Biomass Valorisation through Anaerobic Co-digestion. Journal of Sustainable Development of Energy, Water and Environment Systems, 5 (2), 127-138. https://doi.org/10.13044/j.sdewes.d5.0137
MLA 8th Edition
Pena, Luis, et al. "Potential of Duckweed for Swine Wastewater Nutrient removal and Biomass Valorisation through Anaerobic Co-digestion." Journal of Sustainable Development of Energy, Water and Environment Systems, vol. 5, no. 2, 2017, pp. 127-138. https://doi.org/10.13044/j.sdewes.d5.0137. Accessed 13 Jul. 2020.
Chicago 17th Edition
Pena, Luis, Margarida Oliveira, Rita Fragoso and Elizabeth Duarte. "Potential of Duckweed for Swine Wastewater Nutrient removal and Biomass Valorisation through Anaerobic Co-digestion." Journal of Sustainable Development of Energy, Water and Environment Systems 5, no. 2 (2017): 127-138. https://doi.org/10.13044/j.sdewes.d5.0137
Harvard
Pena, L., et al. (2017). 'Potential of Duckweed for Swine Wastewater Nutrient removal and Biomass Valorisation through Anaerobic Co-digestion', Journal of Sustainable Development of Energy, Water and Environment Systems, 5(2), pp. 127-138. https://doi.org/10.13044/j.sdewes.d5.0137
Vancouver
Pena L, Oliveira M, Fragoso R, Duarte E. Potential of Duckweed for Swine Wastewater Nutrient removal and Biomass Valorisation through Anaerobic Co-digestion. Journal of Sustainable Development of Energy, Water and Environment Systems [Internet]. 2017 [cited 2020 July 13];5(2):127-138. https://doi.org/10.13044/j.sdewes.d5.0137
IEEE
L. Pena, M. Oliveira, R. Fragoso and E. Duarte, "Potential of Duckweed for Swine Wastewater Nutrient removal and Biomass Valorisation through Anaerobic Co-digestion", Journal of Sustainable Development of Energy, Water and Environment Systems, vol.5, no. 2, pp. 127-138, 2017. [Online]. https://doi.org/10.13044/j.sdewes.d5.0137

Abstracts
Over the last decades, phytodepuration has been considered an efficient technology to treat wastewaters. The present study reports a bench scale depuration assay of swine wastewater using Lemna minor. The highest observed growth rate obtained in swine wastewater was 3.1 ± 0.3 gDW m−2 day−1 and the highest nitrogen and phosphorus uptake were 140 mg N m−2 day−1 and 3.47 mg P m−2 day−1, respectively. The chemical oxygen demand removal efficiency in the swine wastewater assay was 58.9 ± 2.0%. Furthermore, the biomass valorisation by anaerobic co-digestion with swine wastewater was assessed. Results showed a clear improvement in specific methane production rate (around 40%) when compared to mono-substrate anaerobic digestion. The highest methane specific
production, 131.0 ± 0.8 mL CH4 g−1 chemical oxygen demand, was obtained with a mixture containing 100 g of duckweed per liter of pre-treated swine wastewater. The water-nutrients-energy nexus approach showed to be promising for swine waste management.

Keywords
Anaerobic co-digestion; Biogas; Biomass production; Duckweed; Lemna minor; Swine slurry

Hrčak ID: 181486

URI
https://hrcak.srce.hr/181486

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