Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/98904
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dc.contributor.authorZhou, Yanen
dc.contributor.authorGanda, Lilyen
dc.contributor.authorLim, Melvinen
dc.contributor.authorYuan, Zhiguoen
dc.contributor.authorNg, Wun Jernen
dc.date.accessioned2013-08-01T03:42:19Zen
dc.date.accessioned2019-12-06T20:00:58Z-
dc.date.available2013-08-01T03:42:19Zen
dc.date.available2019-12-06T20:00:58Z-
dc.date.copyright2012en
dc.date.issued2012en
dc.identifier.citationZhou, Y., Ganda, L., Lim, M., Yuan, Z.,& Ng, W. J. (2012). Response of poly-phosphate accumulating organisms to free nitrous acid inhibition under anoxic and aerobic conditions. Bioresource Technology, 116, 340-347.en
dc.identifier.issn0960-8524en
dc.identifier.urihttps://hdl.handle.net/10356/98904-
dc.description.abstractThe response of free nitrous acid (FNA)-adapted poly-phosphate accumulating organisms (PAOs) to FNA inhibition under aerobic and anoxic conditions was studied. Anoxic P-uptake was 1–6 times more sensitive to the inhibition compared to aerobic P-uptake. The aerobic nitrite reduction rate increased with FNA concentration, accompanied by an equivalent decrease in the oxygen uptake rate, suggesting under high FNA concentration conditions, electrons were channeled to nitrite reduction from oxygen reduction. In contrast, the nitrite reduction rate decreased with increased FNA concentration under anoxic conditions. Anaerobic metabolism of PAO under both anoxic and aerobic conditions was observed at high FNA concentrations. Growth of PAOs decreased sharply with FNA concentration and stopped completely at FNA concentration of 10 μg HNO2–N/L. This study, for the first time, investigated the function of nitrite/FNA in an aerobic denitrifying phosphate removal process by evaluating electron as well as energy balances, and provides explanation for FNA inhibition mechanisms.en
dc.language.isoenen
dc.relation.ispartofseriesBioresource technologyen
dc.rights© 2012 Elsevier Ltd. This is the author created version of a work that has been peer reviewed and accepted for publication by Bioresource technology, Elsevier. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [http://dx.doi.org/10.1016/j.biortech.2012.03.111].en
dc.titleResponse of poly-phosphate accumulating organisms to free nitrous acid inhibition under anoxic and aerobic conditionsen
dc.typeJournal Articleen
dc.contributor.researchAdvanced Environmental Biotechnology Centre (AEBC)en
dc.contributor.researchNanyang Environment and Water Research Instituteen
dc.identifier.doi10.1016/j.biortech.2012.03.111en
dc.description.versionAccepted versionen
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