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Stirred tank reactor

Defluoridation of drinking water by electrocoagulation/electroflotation in a stirred tank reactor with a comparative performance to an external-loop airlift reactor

Defluoridation of drinking water by electrocoagulation/electroflotation in a stirred tank reactor with a comparative performance to an external-loop airlift reactor

... 5.3. Effect of initial pH The comparison between the airlift reactor and the stirred tank reactor is reported in Fig. 8 and shows that the same trends are observed for both reactors as a ...

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Kinetic study of defluoridation of drinking water by electrocoagulation/electroflotation in a stirred tank reactor and in an external-loop airlift reactor

Kinetic study of defluoridation of drinking water by electrocoagulation/electroflotation in a stirred tank reactor and in an external-loop airlift reactor

... A kinetic study of defluoridation of drinking water was carried out using the electrocoagula- tion/electroflotation process in two batch reactors of identical volume (20 L): a stirred tank reactor ...

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Alternate operating methods for improving the performance of a continuous stirred tank reactor

Alternate operating methods for improving the performance of a continuous stirred tank reactor

... throughput capacity with limited operating time and costs are important factors determining the process performance. In a typical CSTR setup, the feed enters via the top of the tank, circulates in the vessel due ...

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A consistent dimensional analysis of gas-liquid mass transfer in an aerated stirred tank containing purely viscous fluids with shear-thinning properties

A consistent dimensional analysis of gas-liquid mass transfer in an aerated stirred tank containing purely viscous fluids with shear-thinning properties

... becomes then quite haphazard) and (ii) the rheological behaviour of fluids cannot be described in the whole range of shear rates by the Ostwald–de-Waele’s model. The present paper aims at rigorously answering these two ...

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Ice tank dive ladder

Ice tank dive ladder

... Ice Tank, Ladder, Dive PAGES ...Ice Tank. Redesign should allow divers easier exit from the tank and should eliminate the need for a second ladder occupying valuable ...

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Ice tank carriage platform

Ice tank carriage platform

... 4.0 – Conclusion This document has presented the objective, criteria, and design of the platform for the ice tank carriage platform. A component list is included, as well as drawings detailing the necessary ...

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The bacterial community structure during bioleaching of a low-grade nickel sulphide ore in stirred-tank reactors at different combinations of temperature and pH

The bacterial community structure during bioleaching of a low-grade nickel sulphide ore in stirred-tank reactors at different combinations of temperature and pH

... ing experiments ( Coram-Uliana et al., 2006; Halinen et al., 2009 ), and heap bioleaching operations ( Coram-Uliana et al., 2006; Demergasso et al., 2005; Qin et al., 2009 ). This study is a continuation of previous ...

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Septic Tank Systems

Septic Tank Systems

... The location of the tank and the field tile relative to the house should be recorded so 'that no difficulty arises 1n finding the system when inspection or cleanings are required. This a[r] ...

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Septic tank systems

Septic tank systems

... L’accès à ce site Web et l’utilisation de son contenu sont assujettis aux conditions présentées dans le site LISEZ CES CONDITIONS ATTENTIVEMENT AVANT D’UTILISER CE SITE WEB. NRC Publicat[r] ...

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Ice Tank Database

Ice Tank Database

... There were several different types of legacy project files that the program was needed to be able to read. Files such as Hull Ice Friction (.HIF), Compressive Strength (.CMP), Flexural Strength (.FLX), etc., are some ...

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A consistent dimensional analysis of gas–liquid mass transfer in an aerated stirred tank containing purely viscous fluids with shear-thinning properties

A consistent dimensional analysis of gas–liquid mass transfer in an aerated stirred tank containing purely viscous fluids with shear-thinning properties

... material property? In the case of materials with constant properties, no special pre- caution should be made to guarantee that a process relationship correlating a set of dimensionless ratios is also applicable to ...

16

Development of optical trajectography device for the lagangian study of turbulent flow inside a stirred tank used in pharmaceutical industry

Development of optical trajectography device for the lagangian study of turbulent flow inside a stirred tank used in pharmaceutical industry

... As shown on Figure 2, a very good agreement is observed provided the trajectory acquisition time is large enough. Indeed, as illustrated on figure 3, some zones of the tank are frequently visited because the ...

4

Study of the mixing time evolution during the scale-up of an animal cells culture in a stirred tank bioreactor

Study of the mixing time evolution during the scale-up of an animal cells culture in a stirred tank bioreactor

... Results The correlation of Greenville et al. is used as a starting point because that correlation shows the separate effect of the rotating speed (N), the impeller type (indirectly by the power number N p ) and impeller ...

1

Investigation by laser doppler velocimetry of the effects of liquid flow rates and feed positions on the flow patterns induced in a stirred tank by an axial-flow impeller

Investigation by laser doppler velocimetry of the effects of liquid flow rates and feed positions on the flow patterns induced in a stirred tank by an axial-flow impeller

... the stirred vessel, the (ow structure seems to be a$ected for the co-current feed in the feed plane, with veryhigh velocities noticed in the lower part of the vessel, which are directed towards the exit opening of ...

15

CFD analysis of industrial multi-staged stirred vessels

CFD analysis of industrial multi-staged stirred vessels

... the tank is well present. However, the inten- sity in the tank bottom is stronger due to the impact of discharge flow of the lower propeller against the dished ...

13

Computational study of dense granular flows in stirred reactors

Computational study of dense granular flows in stirred reactors

... EDF - R & D, Département MFEE, 6 quai Watier, FR-78401 Chatou, France Abstract In chemical engineering applications, reactors featuring rotating parts are common practice. As these rotating parts are present in order ...

7

Stabilization of the linearized water tank system

Stabilization of the linearized water tank system

... 1.2 Main result The water tank problem is interesting in that it has been studied for a long time and is rich enough to have led to several interesting results. Among the control results in this setting, one can ...

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Mutualistic ants contribute to tank-bromeliad nutrition.

Mutualistic ants contribute to tank-bromeliad nutrition.

... † Key Results All variables were significantly different between tank-bromeliad species. Leaf N concentrations and leaf d 15 N were both positively correlated with the presence of mutualistic ants. The amount of ...

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Mutualistic ants contribute to tank-bromeliad nutrition

Mutualistic ants contribute to tank-bromeliad nutrition

... To cite this version : Leroy, Céline and Carrias, Jean-François and Corbara, Bruno and Pelozuelo, Laurent and Dézerald, Olivier and Brouard, Olivier and Dejean, Alain and Céréghino, Régis. Mutualistic ants contribute to ...

9

Effects of process conditions on foaming in stirred tanks

Effects of process conditions on foaming in stirred tanks

... Impeller tip speed: 0.7-2.0 m/s (hydrofoil), 1.0-2.9 m/s (turbine) Gas flow rate: 1.2-7 L/min (5L), 3.5-18 L/min (171L) Foam measurement: • Average of 4 diametrical line of sight measu[r] ...

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