On-line estimation of the specific growth rate based on viable biomass measurements: experimental validation

1999 ◽  
Vol 21 (5) ◽  
pp. 389 ◽  
Author(s):  
J. E. Claes ◽  
J. F. Van Impe
Keyword(s):  
Growth Rate ◽  
Specific Growth Rate ◽  
Experimental Validation ◽  
Specific Growth ◽  
On Line ◽  
Viable Biomass

On-line viable biomass measurement and estimation of the specific growth rate of activated sludge from municipal wastewater treatment

2001 ◽  
Vol 43 (7) ◽  
pp. 97-102 ◽  
Author(s):  
E. J. November ◽  
J. F. Van Impe
Keyword(s):  
Growth Rate ◽  
Activated Sludge ◽  
Specific Growth Rate ◽  
Municipal Wastewater ◽  
Specific Growth ◽  
Dry Weight ◽  
Municipal Wastewater Treatment ◽  
Experimental Conditions ◽  
On Line ◽  
Viable Biomass

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.

An algorithmic approach to constructing the on-line estimation system for the specific growth rate

1989 ◽  
Vol 33 (3) ◽  
pp. 354-364 ◽  
Author(s):  
Hiroshi Shimizu ◽  
Takeichiro Takamatsu ◽  
Suteaki Shioya ◽  
Ken-Ichi Suga
Keyword(s):  
Growth Rate ◽  
Specific Growth Rate ◽  
Specific Growth ◽  
Algorithmic Approach ◽  
On Line ◽  
Estimation System

Automated fed-batch culture of Kluyveromyces fragilis based on a novel method for on-line estimation of cell specific growth rate

2001 ◽  
Vol 9 (3) ◽  
pp. 221-231 ◽  
Author(s):  
Zairossani M. Nor ◽  
Melih I. Tamer ◽  
Jeno M. Scharer ◽  
Murray Moo-Young ◽  
Eric J. Jervis
Keyword(s):  
Growth Rate ◽  
Specific Growth Rate ◽  
Batch Culture ◽  
Specific Growth ◽  
Fed Batch ◽  
Kluyveromyces Fragilis ◽  
On Line ◽  
Novel Method ◽  
Fed Batch Culture

scholarly journals On-line estimation of the maximum specific growth rate of nitrifiers in activated sludge systems

1999 ◽  
Vol 65 (3) ◽  
pp. 265-273 ◽  
Author(s):  
Zhiguo Yuan ◽  
Herwig Bogaert ◽  
Martijn Devisscher ◽  
Peter Vanrolleghem ◽  
Willy Verstraete
Keyword(s):  
Growth Rate ◽  
Activated Sludge ◽  
Specific Growth Rate ◽  
Specific Growth ◽  
Maximum Specific Growth Rate ◽  
On Line ◽  
Activated Sludge Systems

On-line specific growth rate control for improving reduced glutathione production in Saccharomyces cerevisiae

2015 ◽  
Vol 20 (5) ◽  
pp. 887-893 ◽  
Author(s):  
Zhi-Qiang Xiong ◽  
Mei-Jin Guo ◽  
Ju Chu ◽  
Ying-Ping Zhuang ◽  
Si-Liang Zhang
Keyword(s):  
Saccharomyces Cerevisiae ◽  
Growth Rate ◽  
Specific Growth Rate ◽  
Rate Control ◽  
Specific Growth ◽  
Reduced Glutathione ◽  
On Line ◽  
Growth Rate Control
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