Storage and growth of denitrifiers in aerobic granules: Part II. Model calibration and verification

Ni, Bing-Jie, Yu, Han-Qing and Xie, Wen-Ming (2008) Storage and growth of denitrifiers in aerobic granules: Part II. Model calibration and verification. Biotechnology and Bioengineering, 99 2: 324-332. doi:10.1002/bit.21554


Author Ni, Bing-Jie
Yu, Han-Qing
Xie, Wen-Ming
Title Storage and growth of denitrifiers in aerobic granules: Part II. Model calibration and verification
Journal name Biotechnology and Bioengineering   Check publisher's open access policy
ISSN 0006-3592
1097-0290
Publication date 2008-02-01
Sub-type Article (original research)
DOI 10.1002/bit.21554
Volume 99
Issue 2
Start page 324
End page 332
Total pages 9
Place of publication Hoboken, NJ United States
Publisher John Wiley and Sons
Language eng
Formatted abstract
A mathematical model to describe the simultaneous storage and growth activities of denitrifiers in aerobic granules under anoxic conditions has been developed in an accompanying article. The sensitivity of the nitrate uptake rate (NUR) toward the stoichiometric and kinetic coefficients is analyzed in this article. The model parameter values are estimated by minimizing the sum of squares of the deviations between the measured and model-predicted values. The model is successfully calibrated and a set of stoichiometric and kinetic parameters for the anoxic storage and growth of the denitrifiers are obtained. Thereafter, the model established is verified with three set of experimental data. The comparison between the model established with the ASM1 model and ASM3 shows that the present model is appropriate to simulate and predict the performance of a granule-based denitrification system.
Keyword Aerobic Granules
Anoxic
Denitrifiers
Model Calibration
Nitrate uptake rate (NUR)
Parameter estimation
Sensitivity analysis
Nitrate
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: Advanced Water Management Centre Publications
 
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