منابع مشابه
Airlift Bioreactors: Review of Recent Advances
1 The present review roughly covers the publications that have appeared since Prof. K. Schügerl delivered a keynote address at the 4th GLS International Conference in 1997 (Schügerl, 1997). It includes publications that deal with gas/liquid systems without solids, but gives an extra weight to applications of airlift bioreactors to wastewater treatment and to algal growth. Three extensive review...
متن کاملMixing in Bubble Column and Airlift Reactors
M ixing behavior of three geometrically equivalent 0.06 m bubble column and airlift photobioreactors was compared for use in microalgal culture. Mixing was characterized in terms of the axial dispersion coefficient, mixing time, circulation time and Bodenstein number. Measurements were reported in tap water and sea water, as used in growing microalgal biomass. Compared with the two airlift reac...
متن کاملOxygen transfer and mixing in mechanically agitated airlift bioreactors
Gas holdup, mixing, liquid circulation and gas–liquid oxygen transfer were characterized in a large (∼1.5 m3) draft-tube airlift bioreactor agitated with Prochem® hydrofoil impellers placed in the draft-tube. Measurements were made in water and in cellulose fiber slurries that resembled broths of mycelial microfungi. Use of mechanical agitation generally enhanced mixing performance and the oxyg...
متن کاملHydrodynamics and mass transfer inthree-phase airlift reactors for activated Carbon and sludge filtration
A bioreactor refers to any manufactured or engineered device that supports a biologically active environment. These kinds of reactors are designed to treat wastewater treatment. Volumetric mass transfer coefficient and the effect of superficial gas velocity, as the most important operational factor on hydrodynamics, in three-phase airlift reactors are investigated in this study. The experiments...
متن کاملAxial inhomogeneities in steady-state dissolved oxygen in airlift bioreactors: predictive models
Models were developed for prediction and interpretation of the observed steady-state axial dissolved oxygen concentration profiles in tall airlift bioreactors. The observed concentration profiles were non-linear because of a combination of hydrodynamic and mass transport factors. The profiles were influenced mainly by the liquid-phase axial dispersion coefficient, the volumetric overall gas–liq...
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ژورنال
عنوان ژورنال: Kvasny Prumysl
سال: 1987
ISSN: 0023-5830
DOI: 10.18832/kp1987037