Fig. 4From: Enhanced production of butyric acid through immobilization of Clostridium tyrobutyricum in a novel inner disc-shaped matrix bioreactorEffect of the number of disc-shaped matrices on cell loading in a 5-L stirred-tank bioreactor (diameter 17.5 cm) at pH 6.0 and 37 °C. Diameter of matrices 14 cmBack to article page