Improved anaerobic treatment of palm oil mill effluent in a semi-commercial closed digester tank with sludge recycling and appropriate feeding strategy
Anaerobic treatment of palm oil mill effluent (POME) in a semi-commercial closed digester tank with sludge recycling was studied using different feeding strategies; one fixed at every three hour and another at every six hour. The organic loading rate (OLR) was increased step-wise and stopped once in...
| Main Authors: | , , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Universiti Putra Malaysia Press
2010
|
| Subjects: | |
| Online Access: | http://psasir.upm.edu.my/id/eprint/15134/ http://psasir.upm.edu.my/id/eprint/15134/1/Improved%20anaerobic%20treatment%20of%20palm%20oil%20mill%20effluent%20in%20a%20semi.pdf |
| _version_ | 1848842592271204352 |
|---|---|
| author | Busu, Zainuri Sulaiman, Alawi Hassan, Mohd Ali Shirai, Yoshihito Abd. Aziz, Suraini Yacob, Shahrakbah Wakisaka, Minato |
| author_facet | Busu, Zainuri Sulaiman, Alawi Hassan, Mohd Ali Shirai, Yoshihito Abd. Aziz, Suraini Yacob, Shahrakbah Wakisaka, Minato |
| author_sort | Busu, Zainuri |
| building | UPM Institutional Repository |
| collection | Online Access |
| description | Anaerobic treatment of palm oil mill effluent (POME) in a semi-commercial closed digester tank with sludge recycling was studied using different feeding strategies; one fixed at every three hour and another at every six hour. The organic loading rate (OLR) was increased step-wise and stopped once inhibition on methane production occurred. The chemical oxygen demand (COD), feeding rate, hydraulic retention time (HRT),OLR, and sludge recycling ratio were measured. Performance was based on the COD removal efficiency and methane yield, while stability was assessed in terms of total volatile fatty acids (VFA) accumulation, total VFA-to-alkalinity ratio (VFA:Alk) and food-to-microorganisms ratio (F/M ratio). The feeding strategies, at
every three hour and six hour, gave satisfactory COD removal efficiency of higher than 90%, but the latter
feeding strategy gave a more stable process with total VFA concentration recorded below 500 mg L-1 and VFA:Alk ratio of less than 0.3 at maximum OLR of 6.0 kgCOD m-3 d-1. The treatment period could also be extended up to 100 days without any obvious problems. |
| first_indexed | 2025-11-15T08:01:35Z |
| format | Article |
| id | upm-15134 |
| institution | Universiti Putra Malaysia |
| institution_category | Local University |
| language | English |
| last_indexed | 2025-11-15T08:01:35Z |
| publishDate | 2010 |
| publisher | Universiti Putra Malaysia Press |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | upm-151342015-09-23T01:00:01Z http://psasir.upm.edu.my/id/eprint/15134/ Improved anaerobic treatment of palm oil mill effluent in a semi-commercial closed digester tank with sludge recycling and appropriate feeding strategy Busu, Zainuri Sulaiman, Alawi Hassan, Mohd Ali Shirai, Yoshihito Abd. Aziz, Suraini Yacob, Shahrakbah Wakisaka, Minato Anaerobic treatment of palm oil mill effluent (POME) in a semi-commercial closed digester tank with sludge recycling was studied using different feeding strategies; one fixed at every three hour and another at every six hour. The organic loading rate (OLR) was increased step-wise and stopped once inhibition on methane production occurred. The chemical oxygen demand (COD), feeding rate, hydraulic retention time (HRT),OLR, and sludge recycling ratio were measured. Performance was based on the COD removal efficiency and methane yield, while stability was assessed in terms of total volatile fatty acids (VFA) accumulation, total VFA-to-alkalinity ratio (VFA:Alk) and food-to-microorganisms ratio (F/M ratio). The feeding strategies, at every three hour and six hour, gave satisfactory COD removal efficiency of higher than 90%, but the latter feeding strategy gave a more stable process with total VFA concentration recorded below 500 mg L-1 and VFA:Alk ratio of less than 0.3 at maximum OLR of 6.0 kgCOD m-3 d-1. The treatment period could also be extended up to 100 days without any obvious problems. Universiti Putra Malaysia Press 2010 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/15134/1/Improved%20anaerobic%20treatment%20of%20palm%20oil%20mill%20effluent%20in%20a%20semi.pdf Busu, Zainuri and Sulaiman, Alawi and Hassan, Mohd Ali and Shirai, Yoshihito and Abd. Aziz, Suraini and Yacob, Shahrakbah and Wakisaka, Minato (2010) Improved anaerobic treatment of palm oil mill effluent in a semi-commercial closed digester tank with sludge recycling and appropriate feeding strategy. Pertanika Journal of Tropical Agricultural Science, 33 (1). pp. 27-37. ISSN 1511-3701 http://www.pertanika.upm.edu.my/Pertanika%20PAPERS/JTAS%20Vol.%2033%20(1)%20Feb.%202010/08%20Pg%2027-37.pdf Anaerobic bacteria Palm oil industry - Waste disposal Methane |
| spellingShingle | Anaerobic bacteria Palm oil industry - Waste disposal Methane Busu, Zainuri Sulaiman, Alawi Hassan, Mohd Ali Shirai, Yoshihito Abd. Aziz, Suraini Yacob, Shahrakbah Wakisaka, Minato Improved anaerobic treatment of palm oil mill effluent in a semi-commercial closed digester tank with sludge recycling and appropriate feeding strategy |
| title | Improved anaerobic treatment of palm oil mill effluent in a semi-commercial closed digester tank with sludge recycling and appropriate feeding strategy |
| title_full | Improved anaerobic treatment of palm oil mill effluent in a semi-commercial closed digester tank with sludge recycling and appropriate feeding strategy |
| title_fullStr | Improved anaerobic treatment of palm oil mill effluent in a semi-commercial closed digester tank with sludge recycling and appropriate feeding strategy |
| title_full_unstemmed | Improved anaerobic treatment of palm oil mill effluent in a semi-commercial closed digester tank with sludge recycling and appropriate feeding strategy |
| title_short | Improved anaerobic treatment of palm oil mill effluent in a semi-commercial closed digester tank with sludge recycling and appropriate feeding strategy |
| title_sort | improved anaerobic treatment of palm oil mill effluent in a semi-commercial closed digester tank with sludge recycling and appropriate feeding strategy |
| topic | Anaerobic bacteria Palm oil industry - Waste disposal Methane |
| url | http://psasir.upm.edu.my/id/eprint/15134/ http://psasir.upm.edu.my/id/eprint/15134/ http://psasir.upm.edu.my/id/eprint/15134/1/Improved%20anaerobic%20treatment%20of%20palm%20oil%20mill%20effluent%20in%20a%20semi.pdf |