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2 2005

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Wgłębna hodowla ciągła Aspergillus niger z zatrzymywaniem biomasy w bioreaktorze

Janczar M., Pietkiewicz J. J.

Inżynieria i Aparatura Chemiczna

2005

Nr 4s

31-32

A filtration system for suspended biomass of Aspergillus niger in submerged citric acid biosynthesis was presented in this report. Two methods of single stage continuous cultivation - classical and with retention of biomass were compared. Results of experiments obtained in typical single stage continuous culture were generally not as good as the results obtained in the cultivation with retention of biomass.

Monitorowanie aktywności oddechowej drobnoustrojów na podstawie analizy składu gazów pofermentacyjnych

Pietkiewicz J. J., Janczar M., Leśniak W.

Inżynieria i Aparatura Chemiczna

2005

Nr 4s

74-76

A short characteristic of the equipment used for measurement of the oxygen and carbon dioxide concentration in exhaust gases and a few indications for their correct assembling and use are presented. The equations necessary for the calculation of parameters characterizing microorganisms respiratory activity are also given.