Performance and kinetic evaluation of palm oil mill effluent (POME) digestion in a continuous high rate up-flow anaerobic sludge blanket (UASB) bioreactor
In this study, we operated a 10 litre upflow anaerobic sludge blanket (UASB) reactor continuously at mesophilic temperature (38 °C). UASB reactor performance was evaluated based on the impact of the hydraulic retention time (HRT) ranged between 1 and 5 days and influent COD concentration in the rang...
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Trans Tech Publications Ltd
2021
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| Online Access: | http://umpir.ump.edu.my/id/eprint/35241/ http://umpir.ump.edu.my/id/eprint/35241/1/Biokinetic%20paper |
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| author | Mohamad Mokhtar, Ibrahim Zulkifly, Jemaat Nour, Abdurahman Hamid |
| author_facet | Mohamad Mokhtar, Ibrahim Zulkifly, Jemaat Nour, Abdurahman Hamid |
| author_sort | Mohamad Mokhtar, Ibrahim |
| building | UMP Institutional Repository |
| collection | Online Access |
| description | In this study, we operated a 10 litre upflow anaerobic sludge blanket (UASB) reactor continuously at mesophilic temperature (38 °C). UASB reactor performance was evaluated based on the impact of the hydraulic retention time (HRT) ranged between 1 and 5 days and influent COD concentration in the range of 4540 mgL-1 and 20,820 mgL-1. The pH of the UASB was maintained in the range of 6.5 to 7.2 by adding buffering solution containing of 5 gL-1 of calcium oxide (CaO) derived from waste cockle shells. A simplified Monod’s model was employed to describe kinetics of anaerobic digestion of POME by using UASB reactor at organic loading rates (OLR) in the range between 1.17 g.CODL-1d-1 and 17.22 g.CODL-1d-1. A high COD degradation rate of 93.26 % was recorded at OLR of 3.92 g.COD L-1d-1 and HRT of 4 days. The UASB reactor generated the maximum biogas production at 34.95 L/d when operated at HRT 1 day and OLR 7.70 g.CODL-1d-1. The proposed kinetic equations are applicable to describe anaerobic treatment of palm oil mill effluent with the UASB reactor. Biokinetic coefficients evaluated were, the growth yield (YG), 3.906 g VSS/g CODremoved.d-1; the specific biomass decay (b), 0.233 d-1; the specific biomass growth rate (μmax), 1.861 d-1; and the saturation constant (Ks), 3.459 g-CODL-1. |
| first_indexed | 2025-11-15T03:17:36Z |
| format | Article |
| id | ump-35241 |
| institution | Universiti Malaysia Pahang |
| institution_category | Local University |
| language | English |
| last_indexed | 2025-11-15T03:17:36Z |
| publishDate | 2021 |
| publisher | Trans Tech Publications Ltd |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | ump-352412022-09-30T08:30:16Z http://umpir.ump.edu.my/id/eprint/35241/ Performance and kinetic evaluation of palm oil mill effluent (POME) digestion in a continuous high rate up-flow anaerobic sludge blanket (UASB) bioreactor Mohamad Mokhtar, Ibrahim Zulkifly, Jemaat Nour, Abdurahman Hamid TP Chemical technology In this study, we operated a 10 litre upflow anaerobic sludge blanket (UASB) reactor continuously at mesophilic temperature (38 °C). UASB reactor performance was evaluated based on the impact of the hydraulic retention time (HRT) ranged between 1 and 5 days and influent COD concentration in the range of 4540 mgL-1 and 20,820 mgL-1. The pH of the UASB was maintained in the range of 6.5 to 7.2 by adding buffering solution containing of 5 gL-1 of calcium oxide (CaO) derived from waste cockle shells. A simplified Monod’s model was employed to describe kinetics of anaerobic digestion of POME by using UASB reactor at organic loading rates (OLR) in the range between 1.17 g.CODL-1d-1 and 17.22 g.CODL-1d-1. A high COD degradation rate of 93.26 % was recorded at OLR of 3.92 g.COD L-1d-1 and HRT of 4 days. The UASB reactor generated the maximum biogas production at 34.95 L/d when operated at HRT 1 day and OLR 7.70 g.CODL-1d-1. The proposed kinetic equations are applicable to describe anaerobic treatment of palm oil mill effluent with the UASB reactor. Biokinetic coefficients evaluated were, the growth yield (YG), 3.906 g VSS/g CODremoved.d-1; the specific biomass decay (b), 0.233 d-1; the specific biomass growth rate (μmax), 1.861 d-1; and the saturation constant (Ks), 3.459 g-CODL-1. Trans Tech Publications Ltd 2021 Article PeerReviewed pdf en http://umpir.ump.edu.my/id/eprint/35241/1/Biokinetic%20paper Mohamad Mokhtar, Ibrahim and Zulkifly, Jemaat and Nour, Abdurahman Hamid (2021) Performance and kinetic evaluation of palm oil mill effluent (POME) digestion in a continuous high rate up-flow anaerobic sludge blanket (UASB) bioreactor. Materials Science Forum, 1025. pp. 141-149. ISSN 1662-9752. (Published) https://doi.org/10.4028/www.scientific.net/MSF.1025.141 https://doi.org/10.4028/www.scientific.net/MSF.1025.141 |
| spellingShingle | TP Chemical technology Mohamad Mokhtar, Ibrahim Zulkifly, Jemaat Nour, Abdurahman Hamid Performance and kinetic evaluation of palm oil mill effluent (POME) digestion in a continuous high rate up-flow anaerobic sludge blanket (UASB) bioreactor |
| title | Performance and kinetic evaluation of palm oil mill effluent (POME) digestion in a continuous high rate up-flow anaerobic sludge blanket (UASB) bioreactor |
| title_full | Performance and kinetic evaluation of palm oil mill effluent (POME) digestion in a continuous high rate up-flow anaerobic sludge blanket (UASB) bioreactor |
| title_fullStr | Performance and kinetic evaluation of palm oil mill effluent (POME) digestion in a continuous high rate up-flow anaerobic sludge blanket (UASB) bioreactor |
| title_full_unstemmed | Performance and kinetic evaluation of palm oil mill effluent (POME) digestion in a continuous high rate up-flow anaerobic sludge blanket (UASB) bioreactor |
| title_short | Performance and kinetic evaluation of palm oil mill effluent (POME) digestion in a continuous high rate up-flow anaerobic sludge blanket (UASB) bioreactor |
| title_sort | performance and kinetic evaluation of palm oil mill effluent (pome) digestion in a continuous high rate up-flow anaerobic sludge blanket (uasb) bioreactor |
| topic | TP Chemical technology |
| url | http://umpir.ump.edu.my/id/eprint/35241/ http://umpir.ump.edu.my/id/eprint/35241/ http://umpir.ump.edu.my/id/eprint/35241/ http://umpir.ump.edu.my/id/eprint/35241/1/Biokinetic%20paper |