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Dynamical model development and parameter identification for an anaerobic wastewater treatment process
Author(s) -
Bernard Olivier,
HadjSadok Zakaria,
Dochain Denis,
Genovesi Antoine,
Steyer JeanPhilippe
Publication year - 2001
Publication title -
biotechnology and bioengineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.136
H-Index - 189
eISSN - 1097-0290
pISSN - 0006-3592
DOI - 10.1002/bit.10036
Subject(s) - acidogenesis , identification (biology) , biochemical engineering , process (computing) , industrial fermentation , system identification , anaerobic digestion , alkalinity , sewage treatment , computer science , process engineering , biological system , environmental science , engineering , chemistry , environmental engineering , ecology , data modeling , biology , fermentation , food science , organic chemistry , methane , database , operating system
This paper deals with the development and the parameter identification of an anaerobic digestion process model. A two‐step (acidogenesis–methanization) mass‐balance model has been considered. The model incorporates electrochemical equilibria in order to include the alkalinity, which has to play a central role in the related monitoring and control strategy of a treatment plant. The identification is based on a set of dynamical experiments designed to cover a wide spectrum of operating conditions that are likely to take place in the practical operation of the plant. A step by step identification procedure to estimate the model parameters is presented. The results of 70 days of experiments in a 1‐m 3 fermenter are then used to validate the model. © 2001 John Wiley & Sons, Inc. Biotechnol Bioeng 75: 424–438, 2001.
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