Biorreactores de membrana anaerobios para tratamiento de aguas residuales domésticas. Estudio preliminar

1. Luisa Vera
2. Ignacio Ruigómez
3. Enrique González
4. Paula Bodelón
5. Juan Rodríguez-Sevilla

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Abstract

The operation of submerged anaerobic membrane bioreactors (SAnMBRs) for domestic wastewaters treatment was studied in laboratory scale, with the objective to define sustainable filtration conditions of the suspensions along the process. During continuous experiments, the organic matter degradation by anaerobic way showed an average DQOT removal of 85% and 93%. Indeed, the degradation generated biogas after 12 days of operation and its relative methane composition was of 60% after 25 days of operation. Additionally, the comparison between membrane bioreactors (MBRs) performance in aerobic and anaerobic conditions in filterability terms, reported that both systems behave similarly once reached the stationary state.

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