Anaerobic reactor biowaste effluent was treated with biofilm and activated sludge sequencing batch reactors to compare the performance of both systems. The treatment targets were organic carbon removal and nitrification. The pilot plant was operated in two phases. During the first phase, it was operated like a Moving Bed Biofilm Reactor (MBBR) with the Natrix media, with a specific surface area of 210 m2/m3. The MBBR was operated under Sequencing Batch Reactor (SBR) modality with three 8-hour cycles per day over 70 days. During the second phase of the experiment, the pilot plant was operated over 79 days as a SBR. In both phases the influent was fed to the reactor at a flow rate corresponding to a Hydraulic Retention Time (HRT) of 4 days. Both systems presented a good carbon removal for this specific wastewater. The Chemical Oxygen Demand (COD) total removal was 53% for MBBR and 55% for SBR. MBBR offered a higher dissolved COD removal (40%) than SBR (30%). The limited COD removal achieved is in agreement with the high COD to BOD5 ratio (1/3) of the influent wastewater. In both systems a complete nitrification was obtained. The different efficiencies in both systems are related to the different biomass concentrations.
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Research Article|
June 01 2003
Comparison of the performance of MBBR and SBR systems for the treatment of anaerobic reactor biowaste effluent
I. Comett-Ambriz;
*Institute for Water Quality Control and Waste Management, Technical University of Munich, D-85748 Garching, Germany
E-mail: i.comett@bv.tu-muenchen.de
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S. Gonzalez-Martinez;
S. Gonzalez-Martinez
**Institute of Engineering. Environmental Engineering Department, National University of Mexico, 04510 México DF
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P. Wilderer
P. Wilderer
*Institute for Water Quality Control and Waste Management, Technical University of Munich, D-85748 Garching, Germany
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Water Sci Technol (2003) 47 (12): 155–161.
Citation
I. Comett-Ambriz, S. Gonzalez-Martinez, P. Wilderer; Comparison of the performance of MBBR and SBR systems for the treatment of anaerobic reactor biowaste effluent. Water Sci Technol 1 June 2003; 47 (12): 155–161. doi: https://doi.org/10.2166/wst.2003.0641
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