TITLE

Selection of variables for on-line monitoring, diagnosis, and control of anaerobic digestion processes

AUTHOR(S)
Molina, F.; Castellano, M.; GarcĂ­a, C.; Roca, E.; Lema, J. M.
PUB. DATE
August 2009
SOURCE
Water Science & Technology;2009, Vol. 60 Issue 3, p615
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
This work aims to systematize the study of indicators for two types of wastewaters: carbohydrate-based and protein-based synthetic wastewaters. Characterization of steady states and dynamic response analysis against disturbances were carried out using both a factorial discriminant analysis (FDA) and a phenomenological analysis, respectively. This research seeks reconciling both sets of indicators in order to optimize resources and provide a minimal cost in instrumentation for its implementation at industrial scale. According to the results of this research, the best indicators for the two types of wastewaters, considering both process steady states and organic load perturbations are: Biogas flow rate or Methane flow rate, and Hydrogen concentration in the biogas; Volatile fatty acids and Partial alkalinity in the liquid phase.
ACCESSION #
43798650

 

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