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Updated: Jun 2, 2026

A Novel Bioreactor for High Density Cultivation of Diverse Microbial Communities
Published on: December 25, 2015
Aerobic granular SBR systems applied to the treatment of industrial effluents
A Val del Río1, M Figueroa, B Arrojo
1Department of Chemical Engineering, School of Engineering, University of Santiago de Compostela, Rúa Lópe Gómez de Marzoa s/n, E-15782 Santiago de Compostela, Spain. mangeles.val@usc.es
Abstract:
Four lab scale sequencing batch reactors (SBRs) were operated to remove organic matter and nitrogen from four different industrial wastewaters. The biomass grew in the reactors in the form of aerobic granules characterized by good settling properties. The high biomass concentrations achieved inside the reactors allowed reducing the solids concentration in the effluent down to 0.2 g VSS L(-1). The organic loading rates (OLR) applied to reactors ranged between 0.7 and 5.0 g CODL(-1)d(-1) with removal efficiencies of 60-95%. The nitrogen loading rates (NLR) applied varied between 0.15 and 0.65 g NH(4)(+)-NL(-1)d(-1) with variable removal efficiencies in the four systems (between 15% and 76%).
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