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A semi-industrial scale AnMBR for municipal wastewater treatment at ambient temperature: performance of the biological process

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A semi-industrial scale AnMBR for municipal wastewater treatment at ambient temperature: performance of the biological process

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dc.contributor.author	Robles Martínez, Ángel
dc.contributor.author	Jiménez Benítez, Antonio Luis
dc.contributor.author	Giménez García, Juan Bautista
dc.contributor.author	Durán, Freddy
dc.contributor.author	Ribes Bertomeu, Josep
dc.contributor.author	Serralta Sevilla, Joaquín
dc.contributor.author	Ferrer Polo, José
dc.contributor.author	Rogalla, Frank
dc.contributor.author	Seco Torrecillas, Aurora
dc.date.accessioned	2022-03-22T15:10:37Z
dc.date.available	2022-03-22T15:10:37Z
dc.date.issued	2022
dc.identifier.citation	Robles Martínez, Ángel Jiménez Benítez, Antonio Luis Giménez García, Juan Bautista Durán, Freddy Ribes Bertomeu, Josep Serralta Sevilla, Joaquín Ferrer Polo, José Rogalla, Frank Seco Torrecillas, Aurora 2022 A semi-industrial scale AnMBR for municipal wastewater treatment at ambient temperature: performance of the biological process Water Research 215 118249
dc.identifier.uri	https://hdl.handle.net/10550/81993
dc.description.abstract	A semi-industrial scale AnMBR plant was operated for more than 600 days to evaluate the long-term operation of this technology at ambient temperature (ranging from 10 to 27 ºC), variable hydraulic retention times (HRT) (from 25 to 41 h) and influent loads (mostly between 15 and 45 kg COD·d−1). The plant was fed with sulfate-rich high-loaded municipal wastewater from the pre-treatment of a full-scale WWTP. The results showed promising AnMBR performance as the core technology for wastewater treatment, obtaining an average 87.2 ± 6.1 % COD removal during long-term operation, with 40 % of the data over 90%. Five periods were considered to evaluate the effect of HRT, influent characteristics, COD/-S ratio and temperature on the biological process. In the selected periods, methane yields varied from 70.2±36.0 to 169.0±95.1 STP L CH4·kg−1 CODinf, depending on the influent sulfate concentration, and wasting sludge production was reduced by between 8 % and 42 % compared to conventional activated sludge systems. The effluent exhibited a significant nutrient recovery potential. Temperature, HRT, SRT and influent COD/-S ratio were corroborated as crucial parameters to consider in maximizing AnMBR performance.
dc.language.iso	eng
dc.relation.ispartof	Water Research, 2022, vol. 215, num. 118249
dc.subject	Aigües residuals Depuració Tractament biològic
dc.subject	Anaerobiosi
dc.title	A semi-industrial scale AnMBR for municipal wastewater treatment at ambient temperature: performance of the biological process
dc.type	journal article	es_ES
dc.date.updated	2022-03-22T15:10:38Z
dc.identifier.doi	10.1016/j.watres.2022.118249
dc.identifier.idgrec	150701
dc.rights.accessRights	open access	es_ES