Performance of a combined anaerobic reactor for municipal wastewater treatment at ambient temperature |
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Authors: | H Yu GK Anderson |
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Institution: | aNanyang Technological University, School of Civil and Structural Engineering, 639798 Singapore, Singapore;bUniversity of Newcastle, Department of Civil Engineering, Newcastle-upon-Tyne, NE1 7RU, UK |
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Abstract: | A bench-scale experimental study was carried out to investigate the overall performance of a combined anaerobic reactor for treating pre-settled municipal wastewater at ambient temperature (18–28°C) in terms of substrate removal efficiencies, biogas, methane production, volatile fatty acid (VFA) profiles and effluent suspended solids (SS) concentration, etc. The tested reactor was a modified anaerobic baffled reactor (ABR). The second and third compartments were partly packed with supporting media. The experimental results were similar to, or compared favourably with, other anaerobic reactor systems for municipal wastewater treatment at ambient temperature and proved the technical feasibility of this compartmentalised reactor. Considering its simple structure and operation, it could be considered a potential reactor system for treating municipal and domestic wastewaters in tropical and sub-tropical areas of developing countries. |
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Keywords: | Municipal wastewater Ambient temperature Anaerobic baffled reactor Packing media |
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