Performance of anaerobic baffled reactor (ABR) in treating domestic wastewater

Performance of a laboratory-scale Anaerobic Baffled Reactor (ABR) system treating chemically adjusted domestic (sewage) wastewater with variable strength of 100-500 mg/L was investigated at anaerobic condition (25-30 °C) for 81 days after reaching steady-state at different retention time of 1 d,...

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主要作者: Adnan, Nur Hidayah
格式: Thesis
語言:English
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English
出版: 2003
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spelling my-uthm-ep.86612023-05-02T02:13:49Z Performance of anaerobic baffled reactor (ABR) in treating domestic wastewater 2003-10 Adnan, Nur Hidayah TD Environmental technology. Sanitary engineering TD201-500 Water supply for domestic and industrial purposes Performance of a laboratory-scale Anaerobic Baffled Reactor (ABR) system treating chemically adjusted domestic (sewage) wastewater with variable strength of 100-500 mg/L was investigated at anaerobic condition (25-30 °C) for 81 days after reaching steady-state at different retention time of 1 d, 2 d and 3 d. The evaluation was made by assuming a series of plug flow growth reactor, so that the results did not give a realistic interpretation of the data since diffusional limitations were not considered. The experimental section shows that for all wastewater strength, maximum COD removal of 69% were obtained at loading rates of 0.102-0.306 kg. COD/m3.day have been reported in the literature review. Removal efficiencies showed very little sensitivity to daily fluctuations in influent wastewater quality. HRT, pH and wastewater strength have a significant impact on sulfate removal, and longer retention time, lower pH and wastewater strength resulted in higher sulfate removal, contrary with nitrite where at longer retention time and lower pH and wastewater strength there would be an addition in nitrite. Overall, the ABR like other anaerobic reactors was not an efficient reactor for anions removal. The main objectives of this study was to study the ability of Anaerobic Baffled Reactor (ABR) to remove organics from domestic wastewater, as well as to investigate the possibility of ABR as an efficient, economic and lowly operation and maintenance, which do not need expertise to handle, compared to other systems. In order to enhance the commercial potential of ABR, more work still remains to be done in the following area: COD removal, solids, treatment of toxic wastewater and an improved understanding of the factors controlling bacterial ecology. 2003-10 Thesis http://eprints.uthm.edu.my/8661/ http://eprints.uthm.edu.my/8661/1/24p%20NUR%20HIDAYAH%20ADNAN.pdf text en public http://eprints.uthm.edu.my/8661/2/NUR%20HIDAYAH%20ADNAN%20COPYRIGHT%20DECLARATION.pdf text en staffonly http://eprints.uthm.edu.my/8661/3/NUR%20HIDAYAH%20ADNAN%20WATERMARK.pdf text en validuser mphil masters Kolej Universiti Teknologi Tun Hussein Onn Fakulti Kejuruteraan Awam
institution Universiti Tun Hussein Onn Malaysia
collection UTHM Institutional Repository
language English
English
English
topic TD Environmental technology
Sanitary engineering
TD201-500 Water supply for domestic and industrial purposes
spellingShingle TD Environmental technology
Sanitary engineering
TD201-500 Water supply for domestic and industrial purposes
Adnan, Nur Hidayah
Performance of anaerobic baffled reactor (ABR) in treating domestic wastewater
description Performance of a laboratory-scale Anaerobic Baffled Reactor (ABR) system treating chemically adjusted domestic (sewage) wastewater with variable strength of 100-500 mg/L was investigated at anaerobic condition (25-30 °C) for 81 days after reaching steady-state at different retention time of 1 d, 2 d and 3 d. The evaluation was made by assuming a series of plug flow growth reactor, so that the results did not give a realistic interpretation of the data since diffusional limitations were not considered. The experimental section shows that for all wastewater strength, maximum COD removal of 69% were obtained at loading rates of 0.102-0.306 kg. COD/m3.day have been reported in the literature review. Removal efficiencies showed very little sensitivity to daily fluctuations in influent wastewater quality. HRT, pH and wastewater strength have a significant impact on sulfate removal, and longer retention time, lower pH and wastewater strength resulted in higher sulfate removal, contrary with nitrite where at longer retention time and lower pH and wastewater strength there would be an addition in nitrite. Overall, the ABR like other anaerobic reactors was not an efficient reactor for anions removal. The main objectives of this study was to study the ability of Anaerobic Baffled Reactor (ABR) to remove organics from domestic wastewater, as well as to investigate the possibility of ABR as an efficient, economic and lowly operation and maintenance, which do not need expertise to handle, compared to other systems. In order to enhance the commercial potential of ABR, more work still remains to be done in the following area: COD removal, solids, treatment of toxic wastewater and an improved understanding of the factors controlling bacterial ecology.
format Thesis
qualification_name Master of Philosophy (M.Phil.)
qualification_level Master's degree
author Adnan, Nur Hidayah
author_facet Adnan, Nur Hidayah
author_sort Adnan, Nur Hidayah
title Performance of anaerobic baffled reactor (ABR) in treating domestic wastewater
title_short Performance of anaerobic baffled reactor (ABR) in treating domestic wastewater
title_full Performance of anaerobic baffled reactor (ABR) in treating domestic wastewater
title_fullStr Performance of anaerobic baffled reactor (ABR) in treating domestic wastewater
title_full_unstemmed Performance of anaerobic baffled reactor (ABR) in treating domestic wastewater
title_sort performance of anaerobic baffled reactor (abr) in treating domestic wastewater
granting_institution Kolej Universiti Teknologi Tun Hussein Onn
granting_department Fakulti Kejuruteraan Awam
publishDate 2003
url http://eprints.uthm.edu.my/8661/1/24p%20NUR%20HIDAYAH%20ADNAN.pdf
http://eprints.uthm.edu.my/8661/2/NUR%20HIDAYAH%20ADNAN%20COPYRIGHT%20DECLARATION.pdf
http://eprints.uthm.edu.my/8661/3/NUR%20HIDAYAH%20ADNAN%20WATERMARK.pdf
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