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Linking maximal shear rate and energy dissipation/circulation function in airlift bioreactors
(2022-01-01)
The interest in pneumatic bioreactors is related to their good mass transfer capacity, as well as lower operating costs, due to the simple mechanical structure. Knowledge of the transport phenomena and hydrodynamics of ...
Modeling and simulation of cephalosporin C production in a fed-batch tower-type bioreactor
(Humana Press Inc, 2001-03-01)
Immobilized cell utilization in tower-type bioreactor is one of the main alternatives being studied to improve the industrial bioprocess. Other alternatives for the production of beta -lactam antibiotics, such as a ...
Average shear rate in airlift bioreactors: searching for the true value
(Springer, 2019-06-01)
The shear rate is an important bioreactor parameter that needs to be evaluated due to its impact on microorganism morphology and viability, and consequently on bioproduct formation. Airlift bioreactors, classified as ...
Production of conidia of the entomopathogenic fungus Metarhizium anisopliae ICB 425 in a tray bioreactor
(2019-01-01)
The use of Metarhizium anisopliae as a bioinsecticide is steeply increasing worldwide. However, to reduce the production costs, it is necessary to develop sophisticated techniques for conidia production. This work aimed ...
Improving enzyme production by solid-state cultivation in packed-bed bioreactors by changing bed porosity and airflow distribution
(2021-03-01)
Enzymes production by solid-state cultivation in packed-bed bioreactor needs to be improved by mathematical modeling and also by experimentation. In this work, a mixture of sugarcane bagasse and wheat bran was used for the ...
Sparger design as key parameter to define shear conditions in pneumatic bioreactors
(Elsevier B.V., 2020-04-15)
The average shear rate (<(gamma)over dot>(av)) is a parameter used to characterize the shear environment in bioreactors, enabling comparison of the performances of different bioreactor models in terms of microorganism ...
Dynamic global sensitivity analysis in bioreactor networks for bioethanol production
(Elsevier, 2015-10-27)
Dynamic global sensitivity analysis (GSA) was performed for three different dynamic bioreactor models of increasing complexity: a fermenter for bioethanol production, a bioreactors network, where two types of bioreactors ...
Biosynthesis of natural colorant by Talaromyces amestolkiae: Mycelium accumulation and colorant formation in incubator shaker and in bioreactor
(2020-09-15)
Fungi bioproducts have recently become commercially important to the food and pharmaceutical industry. However, different structural forms exhibited by filamentous fungi throughout their life cycles are often a bottleneck ...