Mixing time
Gas Hold-Up, Mixing Time and Circulation Time in Internal Loop Airlift Bubble Column
... good mixing and favorable ratio of interfacial area of energy dissipation rate per unit volume, low investment, operational costs and relatively lower power requirements [8] ...The mixing time and ...
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Modeling of mixing in stirred bioreactors 4. mixing time for aerated bacteria, yeasts and fungus broths
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Impact of Coagulation Mixing and Time on CST Values
... rapid mixing velocity has a beneficial impact on sludge ...rapid mixing velocity results in decreasing the CST value. On rapid mixing time, the coefficient of correlation value with 0 rpm ...
3
Braz. J. Chem. Eng. vol.23 número1
... mixing time depends on the reactor’s operating ...the mixing time decreases as airing increases, while at high stirring speeds the effect is reversed with mixing time either ...
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Mat. Res. vol.17 número4
... residence time obtained with Oguchi and phase field ...The mixing time was obtained to have a better comprehension of the reactor efficiency and hence the process efficiency, considering that the ...
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Effect of mixing method on the mini-slump spread of Portland cement pastes Efeito do método de mistura sobre o espalhamento mini-slump de pastas de cimento Portland
... three mixing times (60, 90 and 180 ...two mixing times are statistically the ...three mixing times are distinct. At all mixing speeds, the last two set of mixing times (210 and 300 ...
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Improvement of Meloxicam Solubility Using a β-Cyclodextrin Complex Prepared via the Kneading Method and Incorporated into an Orally Disintegrating Tablet
... and mixing time, lead to different amounts of drug ...and mixing time on drug release and drug loading, and to obtain the optimized process parameters for kneading, the QbD paradigm using ...
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Intercomparison of measurements of NO<sub>2</sub> concentrations in the atmosphere simulation chamber SAPHIR during the NO3Comp campaign
... different time resolutions (CRDS: 1 s, IBB- CEAS: 5 s, LIF: 10 ...that time window, unless the error propagation of the high resolution data was larger than the standard ...the mixing time in ...
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Optimization of coagulation-flocculation parameters using a photometric dispersion analyser
... and mixing time), is conventionally performed at bench-scale using standard jar test experiments. The performance of these experiments is generally determined through measuring turbidity and/or colour ...
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Braz. J. Chem. Eng. vol.20 número4
... In the concentric-tube airlift bioreactor, some geometrical parameters affect gas holdup, liquid circulation, mixing time and the volumetric oxygen transfer coefficient. Extensive study of reactor ...
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Response to recharge variation of thin rainwater lenses and their mixing zone with underlying saline groundwater
... the mixing zone, de- termines fresh water availability for plant ...the mixing zone are not constant, which may adversely affect agricul- tural and natural vegetation if saline water reaches the root zone ...
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Intercomparison of ammonia measurement techniques at an intensively managed grassland site (Oensingen, Switzerland)
... The field site was equipped with a meteorological station providing half-hour averages of air temperature, relative hu- midity, precipitation, wind speed and wind direction. The meteorological conditions during the ...
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Flow and mixing around a glacier tongue
... The energy dissipation rate (ε) rose – albeit for localized moments in time and pre- sumably space – as much as three orders of magnitude above what might be regarded as normal background levels. Edwards et al. ...
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Modelling marine emissions and atmospheric distributions of halocarbons and dimethyl sulfide: the influence of prescribed water concentration vs. prescribed emissions
... In simulation 1, we prescribe water concentration clima- tologies for the halocarbons from Ziska et al. (2013, Z13) and for DMS from Lana et al. (2011, L11). The assump- tion of constant water concentrations despite loss ...
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Methane as a diagnostic tracer of changes in the net circulation of the middle atmosphere
... Hemisphere in Fig. 3a, where the variations are mainly a result of a radiative relaxation from the effects of the net seasonal heating rather than from the effects of Rossby-wave forcings. The MLR seasonal cycle has its ...
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Transport analysis of ozone enhancement in Southern Ontario during BAQS-Met
... volume mixing ratios in parts per billion (ppb) as a function of height and time, from all the ozonesonde flights (upper panel), and the one-minute averages of surface ozone volume mixing ratios from ...
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The role of Surinamese migrants in the transmission of Chlamydia trachomatis between Paramaribo, Suriname and Amsterdam, The Netherlands.
... sexual mixing and those who did not, no significant differences could be found between the two in the distribution of ...sexual mixing with native ...
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Auto-luminescent genetically-encoded ratiometric indicator for real-time Ca2+ imaging at the single cell level.
... induced interaction between CaM and M13. Although these indicators can detect Ca 2+ -dependent signal changes in living cells, they could not calibrate [Ca 2+ ] because imaging of these indicators is based on ...
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Impact of mixing state and hygroscopicity on CCN activity of biomass burning aerosol in Amazonia
... Cloud-base initial conditions for the simulations were tem- perature of 293 K, atmospheric pressure of 900 hPa and rel- ative humidity of 98 %. Sensitivity tests indicated only a weak dependence (absolute differences ...
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Braz. J. Chem. Eng. vol.22 número1
... and 0.4. Here, oil volume fraction is defined as the volume of the isooctane phase divided by the total volume. Isooctane was purchased from Fisher Scientific (Fair Lawn, NJ). The emulsions were stabilized with 0.5 wt% ...
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