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Microbial fuel cells for polishing effluents of anaerobic digesters under inhibition, due to organic and nitrogen overloads

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10.1002/jctb.5308
 
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hdl:2117/116776

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Cerrillo Moreno, MíriamMés informacióMés informacióMés informació
Viñas Canals, Marc
Bonmatí Blasi, August
Document typeArticle
Defense date2017-12
Rights accessOpen Access
Attribution-NonCommercial-NoDerivs 3.0 Spain
This work is protected by the corresponding intellectual and industrial property rights. Except where otherwise noted, its contents are licensed under a Creative Commons license : Attribution-NonCommercial-NoDerivs 3.0 Spain
Abstract
The combination of the anaerobic digestion (AD) process with a microbial electrolysis cell (MEC) coupled to an ammonia stripping unit as a post-treatment was assessed both in series operation, to improve the quality of the effluent, and in loop configuration recirculating the effluent, to increase the AD robustness. The MEC allowed maintaining the chemical oxygen demand removal of the whole system of 46 ± 5% despite the AD destabilization after doubling the organic and nitrogen loads, while recovering 40 ± 3% of ammonia. The AD-MEC system, in loop configuration, helped to recover the AD (55% increase in methane productivity) and attained a more stable and robust operation. The microbial population assessment revealed an enhancement of AD methanogenic archaea numbers and a shift in eubacterial population. The AD-MEC combined system is a promising strategy for stabilizing AD against organic and nitrogen overloads, while improving the quality of the effluent and recovering nutrients for their reutilization
CitationCerrillo, M., Viñas , M., Bonmatí, A. Microbial fuel cells for polishing effluents of anaerobic digesters under inhibition, due to organic and nitrogen overloads. "Journal of chemical technology & biotechnology", Desembre 2017, vol. 92, núm. 12, This is the pre-peer reviewed version of the following article: [FULL CITE], which has been published in final form at [https://doi.org/10.1002/jctb.5308]. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving, p. 2912-2920. 
URIhttp://hdl.handle.net/2117/116776
DOI10.1002/jctb.5308
ISSN0268-2575
Publisher versionhttp://onlinelibrary.wiley.com/doi/10.1002/jctb.5308/abstract;jsessionid=CB56A7862AF04E0A5008098CA435857D.f02t02?systemMessage=Wiley+Online+Library+usage+report+download+page+will+be+unavailable+on+Friday+24th+November+2017+at+21%3A00+EST+%2F+02.00+GMT+%2F+10%3A00+SGT+%28Saturday+25th+Nov+for+SGT+
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