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Pseudo-analytical solutions for multi-species biofilm model of aerobic granular sludge

Title
Pseudo-analytical solutions for multi-species biofilm model of aerobic granular sludge
Author
CUI FENGHAO
Keywords
Aerobic granular sludge; biofilm; modelling; pseudo-analytical solutions; SBR
Issue Date
2021-10
Publisher
TAYLOR & FRANCIS LTD
Citation
ENVIRONMENTAL TECHNOLOGY, v. 42, NO 22, Page. 3421-3431
Abstract
This paper demonstrates modelling of the aerobic granular sludge (AGS) process with the pseudoanalytical solutions (PAS) of a biofilm model. A MATLAB programmed graphical user interface platform was developed to facilitate the model calculation and access. Model calibration and validation were carried out through using experimental data collected from a granular sludge sequencing batch reactor operation. The experimental and modelling results identified the distribution of heterotrophs and nitrifiers on the AGS and its contribution to the performance of wastewater treatment. The model could describe multi-species biofilms according to the distinguishing features among the three levels of PAS models. The models demonstrated increasing degrees of interaction (no interaction, competition for nitrogen and layering and protection) between heterotrophs and nitrifiers. Modelling the AGS process using PAS increases the accessibility of the simulation of multiple species in both biofilm and suspended biomass.
URI
https://www.tandfonline.com/doi/full/10.1080/09593330.2020.1733673https://repository.hanyang.ac.kr/handle/20.500.11754/172370
ISSN
09593330; 1479487X
DOI
10.1080/09593330.2020.1733673
Appears in Collections:
OFFICE OF ACADEMIC AFFAIRS[E](교무처) > Center for Creative Convergence Education(창의융합교육원) > Articles
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