Effect of sludge age on microbial consortia developed in MFCs
| Autor: | Sara Mateo, L. Borrás, Pablo Cañizares, Manuel A. Rodrigo, N. Zamorano-López, Aurora Seco, Francisco Jesus Fernandez-Morales |
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| Rok vydání: | 2017 |
| Předmět: |
Microbial fuel cell
General Chemical Engineering Microorganism Population 02 engineering and technology 010501 environmental sciences Desulfuromonas 01 natural sciences Inorganic Chemistry Desulfobacula Mixed culture Food science education Waste Management and Disposal 0105 earth and related environmental sciences education.field_of_study biology Renewable Energy Sustainability and the Environment Chemistry Organic Chemistry Biofilm 021001 nanoscience & nanotechnology biology.organism_classification Pollution Acholeplasma Fuel Technology 0210 nano-technology Biotechnology |
| Zdroj: | Journal of Chemical Technology & Biotechnology. 93:1290-1299 |
| ISSN: | 0268-2575 |
| DOI: | 10.1002/jctb.5488 |
| Popis: | BACKGROUND This work is focused on the assessment of the performance of mini-scale air-breathing microbial fuel cells (MFCs), by monitoring the evolution of the bio-electrogenic activity for a period of 40 days and by comparing the microorganisms populations developed in each of the MFC after this period. RESULTS Five MFCs were operated at sludge ages ranging from 1.4 to 10.0 days. Results showed the superb performance of the MFC operating under a sludge age of 2.5 days. Desulfuromonas, Syntrophothermus, Solitalea, Acholeplasma, Propionicimonas, Desulfobacula and Sphaerochaeta are proposed as potential responsible for the bio-electrogenic activity. CONCLUSIONS Microbial population analysis through Illumina amplicon sequencing demonstrated that despite all MFCs were seeded with the same mixed culture inoculum, the biological cultures developed in the suspension and the biofilm are completely different and depend strongly on sludge age. |
| Databáze: | OpenAIRE |
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