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globalchange > 气候减缓与适应

DOI:	10.1016/j.watres.2013.10.053
论文题名:	Multi-scale modelling of bioreactor–separator system for wastewater treatment with two-dimensional activated sludge floc dynamics
作者:	Irina D. Ofiţeru^a; ^b; ; ; Micol Bellucci^b; Cristian Picioreanu^c; Vasile Lavric^a; Thomas P. Curtis^b
刊名:	water Research
ISSN:	0043-1354
出版年:	2014
卷:	Volume 50, 页码:Pages 382-395
语种:	英语
英文关键词:	Activated sludge floc ; Individual based model ; Multi-scale ; Nitrification ; Time scale ; Micro-colonies
英文摘要:	A simple “first generation” multi-scale computational model of the formation of activated sludge flocs at micro-scale and reactor performance at macro-scale is proposed. The model couples mass balances for substrates and biomass at reactor scale with an individual-based approach for the floc morphology, shape and micro-colony development. Among the novel model processes included are the group attachment/detachment of micro-flocs to the core structure and the clustering of nitrifiers. Simulation results qualitatively describe the formation of micro-colonies of ammonia and nitrite oxidizers and the extracellular polymeric substance produced by heterotrophic microorganisms, as typically observed in fluorescence in situ hybridization images. These results are the first step towards realistic multi-scale multispecies models of the activated sludge wastewater treatment systems and a generic modelling strategy that could be extended to other engineered biological systems.
URL:	http://www.sciencedirect.com/science/article/pii/S0043135413008592
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资源类型:	期刊论文
标识符:	http://119.78.100.158/handle/2HF3EXSE/12972
Appears in Collections:	气候减缓与适应气候变化与战略

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作者单位:

^a University Politehnica of Bucharest, Chemical Engineering Department, Polizu 1-7, Bucharest 011061, Romaniaid^b Newcastle University, School of Civil Engineering and Geosciences, Cassie Building, Newcastle upon Tyne NE1 7RU, United Kingdomid="aff3">^c Delft University of Technology, Department of Biotechnology, Julianalaan 67, 2628 BC Delft, The Netherlands

Recommended Citation:

Irina D. Ofiţeru^a^,^b^,^{,et al. Multi-scale modelling of bioreactor–separator system for wastewater treatment with two-dimensional activated sludge floc dynamics[J]. water Research,2014-01-01,Volume 50}

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