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Seco Torrecillas, Aurora; Aparicio Antón, Stéphanie; González-Camejo, J.; Jiménez Benítez, Antonio Luis; Ferrer Polo, José; Serralta Sevilla, Joaquín; Noriega Hevia, Guillermo; Sanchis-Perucho, Pau; Serna García, Rebecca; Zamorano López, Núria; Giménez García, Juan Bautista; Ruiz Martínez, Ana; Aguado García, Daniel; Barat, Ramón; Borrás Falomir, Luis; Bouzas Blanco, Alberto; Martí Ortega, Nuria; Pachés, María; Ribes Bertomeu, Josep; Robles Martínez, Ángel; Ruano, M. Victoria
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This document is a artículoDate2018
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This research work proposes an innovative water resource recovery facility (WRRF) for the recovery of energy, nutrients and reclaimed water from sewage, which represents a promising approach towards enhanced circular economy scenarios. To this aim, anaerobic technology, microalgae cultivation, and membrane technology were combined in a dedicated platform. The proposed platform produces a high-quality solid- and coliform-free effluent that can be directly discharged to receiving water bodies identified as sensitive areas. Specifically, the content of organic matter, nitrogen and phosphorus in the effluent was 45 mg COD·L 1, 14.9 mg N·L 1 and 0.5 mg P·L 1, respectively. Harvested solar energy and carbon dioxide biofixation in the form of microalgae biomass allowed remarkable methane yields (399 STP L CH4·kg 1 CODinf) to be achieved, equivalent to theoretical electricity productions of around 0.52 kWh per m3 of wastewater entering the WRRF. Furthermore, 26.6% of total nitrogen influent load was recovered as ammonium sulphate, while nitrogen and phosphorus were recovered in the biosolids produced (650±77 mg N·L 1 and 121.0± 7.2 mg P·L 1).
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Seco Torrecillas, Aurora Aparicio Antón, Stéphanie González-Camejo, J. Jiménez Benítez, Antonio Luis Ferrer Polo, José Serralta Sevilla, Joaquín Noriega Hevia, Guillermo Sanchis-Perucho, Pau Serna García, Rebecca Zamorano López, Núria Giménez García, Juan Bautista Ruiz Martínez, Ana Aguado García, Daniel Barat, Ramón Borrás Falomir, Luis Bouzas Blanco, Alberto Martí Ortega, Nuria Pachés, María Ribes Bertomeu, Josep Robles Martínez, Ángel Ruano, M. Victoria 2018 Resource recovery from sulphate-rich sewage through an innovative anaerobic-based water resource recovery facility (WRRF). Water Science and Technology, 78 9 1925 1936. https://doi.org/10.2166/wst.2018.492 |
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