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|Title:||A bio-oxidation study of methanol synthetic wastewater using the SBR||Authors:||Koh, W.K.
|Issue Date:||1989||Citation:||Koh, W.K.,Ng, W.J.,Ong, S.L. (1989). A bio-oxidation study of methanol synthetic wastewater using the SBR. Biological Wastes 27 (2) : 101-113. ScholarBank@NUS Repository.||Abstract:||Bio-oxidation and biomass generation in a laboratory-scale sequencing batch reactor (SBR) were investigated. This paper presents the results obtained from an SBR treating a synthetic wastewater used to simulate a pharmaceutical wastewater. Nutrient removal and biokinetics of the SBR process, as well as dissolved oxygen and pH variations during bio-oxidation, were discussed. COD and BOD removal efficiencies were good. System stability was achieved within 2 weeks of each change of feed strength. The 48-h cycle adopted was found to be sufficient to force the biomass into endogenous respiration, hence controlling the excess biomass formed through assimilation of the feed's organic carbon. Although the ammonia-nitrogen level in the feed was high, nitrification was not observed. Track monitoring of DO and pH was found to provide good indications of the completion of bio-oxidation.||Source Title:||Biological Wastes||URI:||http://scholarbank.nus.edu.sg/handle/10635/53907||ISSN:||02697483|
|Appears in Collections:||Staff Publications|
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