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Title: On-line viable biomass measurement and estimation of the specific growth rate of activated sludge from municipal wastewater treatment
Authors: November, EJ ×
Van Impe, Jan #
Issue Date: 2001
Publisher: I W A PUBLISHING
Series Title: Water science and technology vol:43 issue:7 pages:97-104
Conference: date:Katholieke Univ Leuven, Dept Food & Microbiol Technol, BioTeC Bioproc Technol & Control, B-3001 Louvain, Belgium
Abstract: In order to control wastewater processes. on-line measurements of important process variables are crucial. This contribution focuses on the applicability of the Biomass Monitor for on-line viable biomass measurement of activated sludge from a municipal wastewater plant. In addition, the specific growth rate of the sludge is estimated on-line, based on the information derived from the device under study. Compared to dry weight measurements, the Biomass Monitor hardware offers the advantage of a biologically more appropriate observation of the biomass by only taking into account the viable cells in the population. The optimal measurement frequency of the biomass monitoring device for the given experimental conditions has been determined. Furthermore, the capacitance readings have been correlated with off-line analyses of dry weight of the sludge during the experimental phase in which no death of cells occurred. Finally, an evaluation of the estimator of the specific growth rate including its tuning is presented.
ISSN: 0273-1223
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Bio- & Chemical Systems Technology, Reactor Engineering and Safety Section
× corresponding author
# (joint) last author

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