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Aerobic granular sludge formation for high strength agro-based wastewater treatment

Abdullah, Norhayati and Ujang, Zaini and Yahya, Adibah (2011) Aerobic granular sludge formation for high strength agro-based wastewater treatment. Bioresource Technology, 102 (12). pp. 6778-6781. ISSN 0960-8524

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Official URL: http://dx.doi.org/10.1016/j.biortech.2011.04.009


The present study investigates the formation of aerobic granular sludge in sequencing batch reactor (SBR) fed with palm oil mill effluent (POME). Stable granules were observed in the reactor with diameters between 2.0 and 4.0mm at a chemical oxygen demand (COD) loading rate of 2.5kgCODm -3d -1. The biomass concentration was 7600mgL -1 while the sludge volume index (SVI) was 31.3mLgSS -1 indicating good biomass accumulation in the reactor and good settling properties of granular sludge, respectively. COD and ammonia removals were achieved at a maximum of 91.1% and 97.6%, respectively while color removal averaged at only 38%. This study provides insights on the development and the capabilities of aerobic granular sludge in POME treatment.

Item Type:Article
Uncontrolled Keywords:aerobic granular sludge, color removal, palm oil, palm oil mill effluent (POME), sequencing batch reactor (SBR)
Subjects:G Geography. Anthropology. Recreation > GE Environmental Sciences
Q Science > QH Natural history > QH301 Biology
Divisions:Biosciences and Bioengineering
ID Code:28653
Deposited By: Yanti Mohd Shah
Deposited On:12 Nov 2012 07:21
Last Modified:28 Jan 2019 03:35

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