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Publikováno v:
Biotechnology Progress. 33:838-848
The total yield of ergosterol produced by the fermentation of the yeast Saccharomyces cerevisiae depends on the final amount of yeast biomass and the ergosterol content in the cells. At the same time ergosterol purity-defined as percentage of ergoste
Publikováno v:
Bioresource Technology. 99:7816-7824
The objective of the study was to assess the effect of temperature on the extent of aerobic batch biodegradation of potato stillage with a mixed culture of bacteria of the genus Bacillus. The experiments were performed in a 5-l stirred-tank reactor a
Publikováno v:
Biochemical Engineering Journal. 35:281-288
A one-stage bioremediation process for the treatment of cheese whey has been developed, involving use of a mixed population including Bacillus sp. isolated from fruit–vegetable wastes, at elevated temperatures (55, 60, 65 ◦ C), in an aerated syst
Autor:
J. Carlos Roseiro, Teresa Lopes da Silva, Maria R. Kosseva, C.A. Kent, Alberto Reis, Christopher J. Hewitt
Publikováno v:
Biochemical Engineering Journal. 24:31-41
Multi-parameter flow cytometry (MPFC) coupled with specific fluorescent stains were used to monitor the physiological response of individual cells to starvation periods as well as lactose and glucose pulses during the steady state of a continuous cul
Publikováno v:
Computers & Chemical Engineering. 28:1743-1757
The present work reports a novel genetic algorithm (GA) based strategy for designing efficient ‘global’ pH controllers in highly nonlinear neutralisation reactors, wherein linear internal model control (IMC) methodology and generic nonlinear comp
Publikováno v:
Chemical Engineering & Technology. 27:130-138
The control of pH in waste neutralization processes presents a challenging highly nonlinear and time-varying problem in which the reactor also suffers from inaccessible state information. The ability to characterize the changing dynamics of such reac
Publikováno v:
Biochemical Engineering Journal. 15:125-130
Two double-staged strategies for cheese whey bioremediation are described and compared, involving the use of indigenous thermotolerant microorganisms found in whey in the first stage, followed by a second stage employing an added thermophilic mixed p
Autor:
C.A. Kent, Tadeusz Miśkiewicz, Zbigniew Garncarek, Edmund Cibis, Barbara Garncarek, Małgorzata Krzywonos
Publikováno v:
Bioresource Technology. 85:57-61
A study has been made of thermophilic aerobic biodegradation of the liquid fraction of potato slops (distillation residue) from a rural distillery. The COD of this fraction ranged from 49 to 104 g O2/l, the main contributions to the COD coming from o
Publikováno v:
IFAC Proceedings Volumes. 35:395-400
This paper describes the procedures that are necessary to arrive at a model that is sufficiently accurate to be used in an on-line penicillin fermentation optimisation scheme. A structured mechanistic model developed previously was available but this