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Treatment of palm oil mill effluent using biological sequencing batch reactor system

Fun, C.W. and Haq, M.R.U. and M Kutty, Shamsul Rahman (2007) Treatment of palm oil mill effluent using biological sequencing batch reactor system. In: 4th International Conference on River Basin Management, 2007, 23 May 2007 through 25 May 2007, Kos.

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Abstract

Palm Oil Mill Effluent (POME) is known to cause serious environmental hazards due to its high biochemical (BOD) and chemical oxygen demand (COD) if disposed without proper treatment. Moreover, the processing of palm fruit causes POME to have fibre and husk resulting in high level of total suspended solids (TSS) and turbidity. This work focused to further treat effluent from the anaerobic pond of a nearby palm oil mill using biological sequencing batch reactor (SBR) system. The biological treatment was conducted in six phases using the SBR system where phase 1 had 10 days sludge age and 30 minutes settling time. Phase 2 had the same conditions as phase 1 with increased mixed liquor suspended solids (MLSS). In phase 3, the MLSS was maintained at 2500-4000 mg/l with a settling time of 45 to 60 minutes. In Phase 4, the aeration time was at four days with settling time of 60 to 75 minutes while phase 5 had three days aeration and one day idle time. In Phase 6, the aeration time was increased to six days with 60 to 75 minutes settling time. The highest removals were achieved from Phase 5 with percentage removals of 62 for TSS, 82 for total COD and 88 for soluble COD.

Item Type:Conference or Workshop Item (Paper)
Uncontrolled Keywords:Mixed liquor suspended solids (MLSS); POME; Sequencing batch reactor (SBR); TSS biochemical oxygen demand; bioreactor; conference proceeding; effluent; environmental hazard; essential oil; turbidity
Subjects:T Technology > TA Engineering (General). Civil engineering (General)
Departments / MOR / COE:Departments > Civil Engineering
ID Code:17
Deposited By: Assoc Prof Dr Shamsul Rahman M Kutty
Deposited On:17 Feb 2010 04:29
Last Modified:19 Jan 2017 08:27

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