Anaerobic Treatment of Palm Oil Mill Effluent in Pilot-Scale Anaerobic EGSB Reactor
Large volumes of untreated palm oil mill effluent (POME) pose threat to aquatic environment due to the presence of very high organic content. The present investigation involved two pilot-scale anaerobic expanded granular sludge bed (EGSB) reactors, continuously operated for 1 year to treat POME. Set...
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doaj-f1c8dc72000a4694ae5239900fbd23882020-11-24T22:28:08ZengHindawi LimitedBioMed Research International2314-61332314-61412015-01-01201510.1155/2015/398028398028Anaerobic Treatment of Palm Oil Mill Effluent in Pilot-Scale Anaerobic EGSB ReactorJin Wang0Qaisar Mahmood1Jiang-Ping Qiu2Yin-Sheng Li3Yoon-Seong Chang4Xu-Dong Li5College of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, ChinaDepartment of Environmental Sciences, COMSATS Institute of Information Technology, Abbottabad 22060, PakistanCollege of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, ChinaCollege of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, ChinaRonser Bio-Tech Sdn Bhd, C708, Metropolitan Square, Bandar Damansara Perdana, 47820 Petaling Jaya, MalaysiaCollege of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, ChinaLarge volumes of untreated palm oil mill effluent (POME) pose threat to aquatic environment due to the presence of very high organic content. The present investigation involved two pilot-scale anaerobic expanded granular sludge bed (EGSB) reactors, continuously operated for 1 year to treat POME. Setting HRT at 9.8 d, the anaerobic EGSB reactors reduced COD from 71179 mg/L to 12341 mg/L and recycled half of sludge by a dissolved air flotation (DAF). The average effluent COD was 3587 mg/L with the consistent COD removal efficiency of 94.89%. Adding cationic polymer (PAM) dose of 30 mg/L to DAF unit and recycling its half of sludge caused granulation of anaerobic sludge. Bacilli and small coccid bacteria were the dominant microbial species of the reactor. The reactor produced 27.65 m3 of biogas per m3 of POME which was utilized for electricity generation.http://dx.doi.org/10.1155/2015/398028 |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Jin Wang Qaisar Mahmood Jiang-Ping Qiu Yin-Sheng Li Yoon-Seong Chang Xu-Dong Li |
spellingShingle |
Jin Wang Qaisar Mahmood Jiang-Ping Qiu Yin-Sheng Li Yoon-Seong Chang Xu-Dong Li Anaerobic Treatment of Palm Oil Mill Effluent in Pilot-Scale Anaerobic EGSB Reactor BioMed Research International |
author_facet |
Jin Wang Qaisar Mahmood Jiang-Ping Qiu Yin-Sheng Li Yoon-Seong Chang Xu-Dong Li |
author_sort |
Jin Wang |
title |
Anaerobic Treatment of Palm Oil Mill Effluent in Pilot-Scale Anaerobic EGSB Reactor |
title_short |
Anaerobic Treatment of Palm Oil Mill Effluent in Pilot-Scale Anaerobic EGSB Reactor |
title_full |
Anaerobic Treatment of Palm Oil Mill Effluent in Pilot-Scale Anaerobic EGSB Reactor |
title_fullStr |
Anaerobic Treatment of Palm Oil Mill Effluent in Pilot-Scale Anaerobic EGSB Reactor |
title_full_unstemmed |
Anaerobic Treatment of Palm Oil Mill Effluent in Pilot-Scale Anaerobic EGSB Reactor |
title_sort |
anaerobic treatment of palm oil mill effluent in pilot-scale anaerobic egsb reactor |
publisher |
Hindawi Limited |
series |
BioMed Research International |
issn |
2314-6133 2314-6141 |
publishDate |
2015-01-01 |
description |
Large volumes of untreated palm oil mill effluent (POME) pose threat to aquatic environment due to the presence of very high organic content. The present investigation involved two pilot-scale anaerobic expanded granular sludge bed (EGSB) reactors, continuously operated for 1 year to treat POME. Setting HRT at 9.8 d, the anaerobic EGSB reactors reduced COD from 71179 mg/L to 12341 mg/L and recycled half of sludge by a dissolved air flotation (DAF). The average effluent COD was 3587 mg/L with the consistent COD removal efficiency of 94.89%. Adding cationic polymer (PAM) dose of 30 mg/L to DAF unit and recycling its half of sludge caused granulation of anaerobic sludge. Bacilli and small coccid bacteria were the dominant microbial species of the reactor. The reactor produced 27.65 m3 of biogas per m3 of POME which was utilized for electricity generation. |
url |
http://dx.doi.org/10.1155/2015/398028 |
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