stirred-tank
Fermentation characteristics in stirred-tank reactor of exopolysaccharides with hypolipidemic activity produced by Pleurotus geesteranus 5
... The typical time courses of mycelial growth and the yield of EPS in a 5-L stirred-tank bioreactor under optimal culture conditions for the yield of EPS are shown in Figure 1. The maximum mycelial yield was ...
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CAROTENOID PRODUCTION BY SPORIDIOBOLUS PARAROSEUS IN AGROINDUSTRIAL MEDIUM: OPTIMIZATION OF CULTURE CONDITIONS IN SHAKE FLASKS AND SCALE-UP IN A STIRRED TANK FERMENTER
... In aerobic microorganisms, aeration plays the major role in the growth rate and carotenoid production, since oxygen transfer becomes a limiting factor when cells grow and the viscosity of the broth increases ...
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Análise numérica em tanque agitado por impelidor não convencional: curva de potência, número de bombeio e hidrodinâmica / Numerical analysis in stirred tank by unconventional impeller: power curve, number of pumps and hydrodynamics
... a stirred tank equipped with an unconventional radial ...agitated tank and the independence test of the mesh, later the hydrodynamics in flow pattern promoted by the geometry of the unconventional ...
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Tuning of a Proportional-Integral-Derivative Controller using Multi-Objective Non Dominated Sorting Particle Swarm Optimization Applied to pH Control in Continuous Stirred Tank Reactor
... pH Neutralization process: In Industries, the process of mixing acid with base usually takes place in a large tank. The capacity of mixing vessel serves to dampen the influence of disturbances, in the form of ...
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MODEL COMPARISON TO DESCRIBE BHK-21 CELL GROWTH AND METABOLISM IN STIRRED TANK BIOREACTORS OPERATED IN BATCH MODE
... In general, the conditions more favorable for BHK-21 growth were 30% air saturation with NaHCO 3 solution addition for pH control, when bioconversion was performed in a classic stirred tank bioreactor ...
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Effect of Na-chloride on the bioleaching of a chalcopyrite concentrate in shake flasks and stirred tank bioreactors
... Oxidative dissolution of chalcopyrite at ambient temperatures is generally slow and subject to passivation, posing a major challenge for developing bioleaching applications for this recalcitrant mineral. Chloride is ...
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A Multiple-objective Optimization of Whey Fermentation in Stirred Tank Bioreactors
... The objective of this study was to apply a multiple-objective optimization and fuzzy optimal control strategy to determine the optimal policy of a whey fed-batch fermentation process in[r] ...
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Application of a Fuzzy Neural Network for Modeling of the Mass-Transfer Coefficient in a Stirred Tank Bioreactor
... The performed investigations show that the proposed type FNN can be successfully used for modeling of the volumetric oxygen mass-transfer coefficient in dependence on the constructive [r] ...
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Extracellular polysaccharide production by a strain of Pleurotus djamor isolated in the south of Brazil and antitumor activity on Sarcoma 180
... However, informations about nutritional require- ments and environmental conditions for submerged culture of Pleurotus djamor are still limited. In the present study the biomass and extracellular polysaccharide ...
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HETEROTROPHIC CULTIVATION OF EUGLENA GRACILIS ON CHEMICALLY PRETREATED MEDIA
... E. gracilis was cultivated in different experimental conditions in order to define the effect of chemical agents on the growth of algae and representative contaminants (S. cerevisiae and B. subtilis). Yeast S. cerevisiae ...
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Braz. J. Chem. Eng. vol.31 número1
... Abstract - The continuous stirred tank reactor (CSTR) is a widely used equipment in chemical related industries. The flow behaviour of fluid inside the reactor may either change from dispersion to ideal or ...
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A Holistic Approach in Re-mining Old Tailings Deposits for the Supply of Critical-Metals: A Portuguese Case Study
... concentration in the stirred-tank reactor. The predicted optimal value of this response was 53.75%, near the maximum observed value of 55.77% that, with some experiment modification and precision, the ...
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Using agro-industrial wastes for mixotrophic growth and lipids production by the green microalga Chlorella sorokiniana
... mixotrophic culture of Chlorella sorokiniana in a 2 L stirred tank reactor, with optimized nutritional condi- tions, 100 mM of acetate coming from the oxidized wine waste lees and 30 mM [r] ...
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Expression of a novel thermostable CGTase of Archaeal origin
... The reactor (3 L stirred tank reactor) was assembled, the pH-electrode was mounted in the reactor and medium (NYAT) was added and sterilized in the reactor (in a volume corresponding to[r] ...
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Braz. J. Chem. Eng. vol.23 número1
... In this work we have presented an experimental study of mixing times in a stirred-tank bioreactor equipped with two Rushton turbines. The experiments were carried out for a wide range of stirring and airing ...
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Photo-mixotrophic Cultivation of Algae Euglena gracilis for Lipid Production
... Results of this research clearly show that the photo-mix- otrophic cultivation of E. gracilis for lipid production can be successfully carried out during two stage cultivation inside one stirred tank ...
5
A Tank Bromeliad Favors Spider Presence in a Neotropical Inundated Forest.
... flooding, and their associated ants globally favor spider presence (see also [50]). In conclusion, the nature of the relationship between spiders, A. bracteata and ants depends on climatic events and arthropod traits. ...
13
Lat. Am. j. solids struct. vol.11 número13
... MEL method and desingularized boundary element method is employed for numerical simula- tion. To keep numerical accuracy and avoid instability in MEL, five points Chebyshev smoothing scheme was adopted in time marching. ...
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Mass Transport Velocity in a Two-dimensional Wave Tank
... Mass transport velocity in two dimensional wave tank has been studied. Vorticity equation from incompressible Navier-Stokes equation is solved using boundary layer theory and boundary conditions on the free ...
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Braz. j. oceanogr. vol.65 número3
... new tank system consisting of mangrove sediment together with a water ...this tank system (experimental tank) are shown in Figures 1 and ...new tank system (Figures 2 and ...
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