On-Line Monitoring of Mould's Activity in Submerged Citric Acid Production

Podgorski, W. and Lesniak, W. On-Line Monitoring of Mould's Activity in Submerged Citric Acid Production Chemical Papers, Vol.54, No. 6a, 2000, 355-360

Document type: ńĆl√°nok z ńćasopisu / Journal Article
Collection: Chemical papers  
 
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Author(s) Podgorski, W.
Lesniak, W.
Title On-Line Monitoring of Mould's Activity in Submerged Citric Acid Production
Journal name Chemical Papers
Publication date 2000
Year available 2000
Volume number 54
Issue number 6a
ISSN 0366-6352
Start page 355
End page 360
Place of publication Poland
Publisher Versita
Collection year 2000
Language english
Subject 290000 Engineering and Technology
290100 Industrial Biotechnology and Food Sciences
Abstract/Summary Based on experiments carried out on both synthetic media with saccharose and natural one with beet molasses, the correlations between gases exchange and the activity of Aspergillus niger strain during citric acid fermentation were estimated and used in on-line process control. For a continuous monitoring of biomass growth, the carbon dioxide evolution rate was chosen as a parameter that properly reflects all processes connected with biomass development and cells maintenance. For acidogenic activity control, the estimated volumetric product formation rate was used. The parameters were calculated in real time based on the difference between oxygen uptake and carbon dioxide evolution rates.
 
 
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