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|dc.identifier.citation||Desalination and Water Treatment, 2012; 40(1-3):24-32||-|
|dc.description.abstract||Profiles of chemical oxygen demand (COD), dissolved oxygen (DO), ammonia nitrogen (NH4 +–N), nitrate nitrogen (NO x –N) and phosphorus (P) were established in a cycle of a fourphased Bio-Denipho process. Based on a unit-flow model and the ASM2d, organics degradation, nitrification and denitrification, and phosphorus removal processes were analysed. A switch function has been introduced to address the difference in DO concentrations between the core of biomass flocs and their outer-layers or the bulk suspensions. The calculations indicate that approximately 68% of the denitrification and nitrogen removal resulted from reactions within the anoxic cores of the biomass flocs, where DO was around 0.1 mg l−1 or less. This proved to be important mechanisms to phosphorus removal in the model for the four phased ditches. The analyses provide an insight in the nitrification, denitrification, and phosphorus removal mechanisms in such operation system, which is useful for the system diagnosis and optimisation.||-|
|dc.description.statementofresponsibility||Jinming Duan, Wei Li, Kai Zhao, Joerg Krampe||-|
|dc.publisher||Taylor & Francis||-|
|dc.rights||© 2012 Desalination Publications. All rights reserved||-|
|dc.subject||Activated sludge; Phased isolation ditch; ASM2d model; Bio-Denipho; Nitrification; Denitrification; Phosphorus removal||-|
|dc.title||Variation of organics, nitrogen and phosphorus within a cycle of a Bio-Denipho system||-|
|dc.identifier.orcid||Krampe, J. [0000-0002-7757-4163]||-|
|Appears in Collections:||Aurora harvest 2|
Civil and Environmental Engineering publications
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