On-line estimation of VFA concentration in anaerobic digestion via methane outflow rate measurements

•Robust nonlinear observer for on-line estimation of VFA in continuous anaerobic digesters.•Only the methane outflow rate is available for online measurement.•The proposed observer is able to the estimation of VFA in different operation conditions.•The observer convergence is analyzed by using Lyapu...

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Veröffentlicht in:	Computers & chemical engineering 2016-11, Vol.94, p.250-256
Hauptverfasser:	Lara-Cisneros, Gerardo, Aguilar-López, Ricardo, Dochain, Denis, Femat, Ricardo
Format:	Artikel
Sprache:	eng
Schlagworte:	Algebra Anaerobic digestion Computer programs Computer simulation Concentration (composition) Mathematical models Methane Outflow Sensors Software sensors State observer Uncertain reaction systems VFA estimation
Online-Zugang:	Volltext
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