On-line estimation of kinetic parameters in anaerobic digestion using observer-based estimators and multiwavelength fluorometry

被引：6
|
作者：
Morel, E
Tartakovsky, B
Guiot, SR
Perrier, M
机构：
[1] Natl Res Council Canada, Biotechnol Res Inst, Montreal, PQ H4P 2R2, Canada
[2] Ecole Polytech, Dept Chem Engn, Montreal, PQ H3C 3A7, Canada
来源：
WATER SCIENCE AND TECHNOLOGY | 2006年 / 53卷 / 4-5期
关键词：
anaerobic digestion; multiwavelength fluorometry; observer-based estimator; parameter estimation;
D O I：
10.2166/wst.2006.112
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Observer-based estimators (OBE) were used for estimation of state variables and kinetic parameters in an anaerobic digestion (AD) process. A simplified first-order model with time-varying kinetic parameters was used to design an OBE for kinetic parameter estimation. This approach was validated on a laboratory-scale anaerobic reactor equipped with a multiwavelength fluorometer for on-line measurements of COD and VFA concentrations in the reactor effluent. The proposed estimators provide continuous adjustment of kinetic parameters and can be used for predictions of state variables between samples acquisition and during sensor failure.
引用
收藏
页码：77 / 83
页数：7
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