Gas dispersion in non-Newtonian fluids is encountered in a broad range of chemical,
biochemical, and food industries. Mechanically agitated vessels are commonly employed in …

Laccases are very interesting biocatalysts of recognized importance for several industrial
applications. Its production by Trametes versicolor, a white-rot fungus, was induced by a …

The present work studied the optimization of aeration rate, agitation rate and oxygen transfer
and the use of various batch fermentation strategies for xylanase production from a …

Oxygenation is an important parameter involved in the design and operation of mixing-
sparging bioreactors and it can be analyzed by means of the oxygen mass transfer …

Fluid hydrodynamic stress has a deterministic effect on the morphology of filamentous fungi.
Although the coaxial mixer has been recognized as a suitable gas dispersion system for …

Terpenoids are a class of high value-added natural products with a variety of biological
functions. Genetically engineered microorganisms, such as those of Escherichia coli and …

Discrete oxygen additions during oenological fermentations can have beneficial effects both
on yeast performance and on the resulting wine quality. However, the amount and time of …

This paper is dedicated to the study on external and internal mass transfers of glucose for
succinic fermentation under substrate and product inhibitions using a bioreactor with a …

Maintaining steady-state, aerobic cultures of yeast in a bioreactor depends on the
configuration of the bioreactor system as well as the growth medium used. In this paper, we …

Toluene can be removed from contaminated sites via bioremediation through the addition of
biosurfactant compounds, which reduce the surface tension. However, aeration and mixing …