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The influence of sludge retention time on mixed culture microbial fuel cell start-ups

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dc.contributor.author Mateo Fernández, Sara
dc.contributor.author Pablo Cañizares
dc.contributor.author Manuel Andrés Rodrigo
dc.contributor.author D’Angelo, Adriana
dc.contributor.author Onofrio Scialdone
dc.date.accessioned 2018-06-07T09:20:23Z
dc.date.available 2018-06-07T09:20:23Z
dc.date.issued 2017-07-15
dc.identifier.citation Mateo, S., D’Angelo, A., Scialdone, O., Cañizares, P., Rodrigo, M. A., & Fernandez-Morales, F. J. (2017). The influence of sludge retention time on mixed culture microbial fuel cell start-ups. Biochemical Engineering Journal, 123, 38-44. es_ES
dc.identifier.issn 1383-5866
dc.identifier.uri http://hdl.handle.net/10578/17812
dc.description.abstract In this work, the start-ups of air-cathode microbial fuel cells (MFCs) seeds with conventional activated sludge cultivated at different solid retention times (SRTs) are compared. A clear influence of the SRT of the inoculum was observed, corresponding to an SRT of 10 days to the higher current density exerted, about 0.2 A m−2. This observation points out that, in this type of electrochemical device, it is recommended to use high SRT seeds. The work also points out that in order to promote an efficient start-up, it is not only necessary to use high SRT seeds, but also to feed a high COD concentration. When feeding 10,000 ppm COD and keeping SRT of 10 d differences of current densities up to 0.1 A m−2 were observed within a cycle. Additionally it was observed that SRT influences direct and indirect electron transfer mechanisms, being the direct mechanisms the most relevant ones, accounting for more than 95% of the total electricity production. es_ES
dc.format application/pdf es_ES
dc.language.iso en es_ES
dc.publisher ELSEVIER es_ES
dc.rights info:eu-repo/semantics/openAccess es_ES
dc.subject Solid retention tim es_ES
dc.subject Microbial fuel cell es_ES
dc.subject Air-cathode es_ES
dc.subject Acetate es_ES
dc.title The influence of sludge retention time on mixed culture microbial fuel cell start-ups es_ES
dc.type info:eu-repo/semantics/article es_ES
dc.identifier.DOI doi.org/10.1016/j.bej.2017.03.018


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