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Mobile crushers can also be called mobile crushing plants, mobile crushers, etc. It is an inevitable product of high-tech crushing technology in the new era, and its main features are that it can be operated mobilely, can walk freely, and is more convenient for transitions, ensuring that the equipment While the production is safe, the work process is more reliable.
·Thus high concentration of H 2 is less favorable and rapid release of produced H 2 is The surfaces of agitation spindle were defined as the rotating wall condition Additionally it is to produce a rising stream for rapidly exhausting the hydrogen produced in the stirred zone However the excess high agitating speed results in the damage
·Information on the subject of agitation or mixing of yogurt is scarce Most contributions published have focused on the rheological aspects of yogurt systems under agitated conditions Patocka et al 2004; Maingonnat et al 2005; Kulkarni et al 2006 Here we studied the effect of mixing during the fermentation stage of yogurt manufacturing benign
·Computational fluid dynamics CFDs were adopted in order to investigate the solid suspending process in a dense solid liquid system with a solid volume fraction of 30% agitated by a traditional dual axial impeller and a modified dual axial impeller otherwise known as a dual triple blade impeller DTBI and a dual rigid flexible triple blade impeller DRFTBI
Effect of casein concentration on protease production Four experiments E1 E2 E3 and E4 were conducted in batch mode at different initial concentrations of casein in the levels of g/l 20 30 40 and 50 respectively for the maximum production of protease in STR operation
·Design and operation of mixing systems using agitated vessels is a difficult task due to the challenge of obtaining accurate information on impeller induced turbulence The use of Computational Fluid Dynamics CFD can provide detailed understanding of such systems In this study experimental tests and computational fluid dynamics simulations were performed to
·For this purpose the experiment is carried out in a batch type stirred tank reactor over different temperatures and change in concentrations in terms of electrical conductivity measured with time
·Stirred tank bioreactors are still the predominant cultivation systems in large scale biopharmaceutical production Today several manufacturers provide both reusable and single use systems whereas the broad variety of designs and properties lead to deviations in biological performance Although the methods for bioreactor characterization are well
·The molecular characteristics of pullulan produced from beet molasses following their pretreatment with sulfuric acid and activated carbon by Aureobasidium pullulans P56 a melanin deficient
·Lab scale stirred tank bioreactors 20 l are used for fundamental research on animal cells and in process development and troubleshooting for large scale production This means nutrient concentrations are high at the start which leads to overflow metabolism and the formation of toxic waste products like ammonia and lactate In a fed
·Here plasma agitation is shown to rapidly induce desirable phenotypic changes in S cerevisiae after a single treatment resulting in improved conversion of glucose to ethanol
The performance of five agitator designs for solid suspension duty has been assessed using sand slurry in a 900 mm diameter tank One dimensional vertical solids concentration profiles were measured using a Y ray backscatter technique for sand of two different size fractions 300 to 500 pm and 50 to 200 pm at four bulk solids concentrations from 50% to 65% by weight
·The higher agitation intensity led to higher concentrations of aqu/nC60 and more efficient steric stabilization was formed by HA Sunlight irradiation promoted the surface oxidization and consequently enhanced the dispersion of C60 The relative order of the influence on the UV/vis concentration was sunlight > agitation intensity > HA
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·A small scale stirred bioreactor was designed and the effect of different agitation rates 30 60 and 100 rpm was investigated on HepG2 cells cultured in alginate chitosan AC core shell microcapsule in terms of the cell proliferation and liver specific function The microencapsulated hepatic cells could proliferate well when they were cultured for 10 days at
·Stirred tank reactors are widely used in the chemical and allied industries They offer excellent flexibility in meeting varying demands of a reaction The most common version of the tank or vessel is a vertical cylindrical tank with a dish end at the bottom Impellers commonly used in stirred tank reactors are divided into radial flow and
·N js the minimum agitation speed to just suspend dispersed solids in stirred liquids is commonly measured experimentally using the visual method consisting of determining the agitation speed N at which the solids are observed to rest on the vessel bottom for 1 2 s N js Visual This method is observer dependent Here a novel observer independent method to
·We performed the biotransformation of ferulic acid to vanillin using Bacillus subtilis B subtilis in the stirring packed bed reactors filled with carbon fiber textiles CFT Scanning electron
·Stirred tank bioreactor Anchor impeller L g L −1 were obtained after 48 h of fermentation instead of g L −1 reached when no agitation was employed during the pretreatment process coupled to a fed batch approach increased the efficiency of hydrolytic enzymes obtaining ethanol at high concentration
·The above result showed that low impeller speed and high aeration rate improved the concentration of β carotene while high agitation and aeration increased the productivity of the pigment Dholakia and Modi [7] reported a maximum β carotene concentration kg m −3 when B trispora was grown on cellobiose in shake flask culture
·The effects of aeration and agitation on alkaline protease production and protease yield were studied by submerged fermentation in a batch STR using Bacillus licheniformis NCIM 2042 The agitation rate varied in the range of 200 400 rpm at each airflow rates of 1 3 The maximum protease production was found on third day 72 h and then
·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 recombinant Aspergillus nidulans strain in a 3 L stirred tank reactor Maximum xylanase production of 1250 U/mL with productivity of 313 U/mL/day was obtained under an aeration
·Liquid liquid mixings in stirred tanks are commonly found in many industries In this study we performed computational fluid dynamics CFD modeling and simulation to investigate the liquid liquid mixing behavior Furthermore the population balance model PBM was used to characterize the droplet size distribution The PBM model parameters were
·and aeration rates which affect yields in a stirred tank bioreactor Results Agitation had more influence on cell growth than aeration The maximum intracellular FTase the optimal sucrose concentration to produce FTase shows a large variation High FTase production by A oryzae IPT 301 Ottoni et al 2012 A niger AS0023
The inoculation in bioreactor was performed with the addition of 7 days well grown fungal culture of the same medium Cultivation temperature was 28°C The aeration was vvm and the agitation was 160 rpm A high biomass concentration of g
General approach for the development of high performance liquid chromatography methods for biosurfactant analysis and purification Lin S C Chen Y C Lin Y M Solvent Resistant Stirred Cells Concentration of samples in organic solvents Learn More >> Filtration Discs Membranes for use with stirred cells Learn More >> Related Products
Agitation speed = 438 rpm Initial Concentration = 1250 µs M = 1 CA = CB = Table 1 Observations With Agitations Conversion based upon Initial Concentration Conversion based upon Variable Concentration Sr No Time Concentratio n CA Units → Sec µs 01 60 671 02 120 632 03 182 609 Shahid
·The experimental setup was shown in Fig vertical and cylindrical vessel diameter T = 226 mm made of Plexiglas was characterized by an aspect ratio H /T = 2 and equipped with four vertical T/10 baffles The ring diameter is T/2 and pipe sparger diameter is 6 mm were penetrated through the stirred wall and both the two spargers were placed at a
