Gas Dispersion with Radial and Hydrofoil Impellers in Fluids with Different Coalescence Characteristics PDF Download
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Author: Thomas Martin
Publisher: Herbert Utz Verlag
ISBN: 9783896751041
Category : Bubbles
Languages : en
Pages : 262
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Book Description
Author: Thomas Martin
Publisher: Herbert Utz Verlag
ISBN: 9783896751041
Category : Bubbles
Languages : en
Pages : 262
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Book Description
Author: Marko Zlokarnik
Publisher: Wiley-VCH Verlag GmbH
ISBN:
Category : Science
Languages : en
Pages : 392
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Book Description
Mixing is a unit operation in chemical process technology, but not every mixing device is suitable for each purpose. Sensitive products need to be mixed by other devices that are less sensitive. This book provides information about mixing and mixers such as performance, and shear stress.
Author: R. King
Publisher: Springer Science & Business Media
ISBN: 9401579733
Category : Science
Languages : en
Pages : 261
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Book Description
This volume is a selection of the material presented at the 7th European Mixing Congress. It is concerned exclusively with mixing in circular section vessels, using centrally mounted paddles or similar impellers. The contents are arranged under three classifications: Modelling of Mixing Processes, Mixing Operations and Experimental Techniques. The classifications result in the original material appearing in a different order to that of the Congress. This arrangement is intended to assist the reader in identifying the topic area by function or application, rather than by technology. In this book the section on Modelling contains papers which focus on the representation of the mixing process, whether by equation, scale-up criteria, or fluid dynamic simulation. Similarly, Mixing Operations are concerned with the application or function of the mixing process, such as mass transfer, heat transfer or mixing time. Experimental Techniques addresses the tools the researcher needs to use at the data gathering experimental stage. It collects together advances made in the various methods used by some of the foremost researchers, and indicates those areas still in need of additional instrumentation or methods of data reduction. The book is intended for researchers, designers and users of mixing equipment, and for those planning research and development programmes and who wish to keep up to date with advances in the basic technology and its applications.
Author:
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 922
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Book Description
Theses on any subject submitted by the academic libraries in the UK and Ireland.
Author: Pauline M. Doran
Publisher: Academic Press
ISBN: 012220851X
Category : Science
Languages : en
Pages : 929
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Book Description
The emergence and refinement of techniques in molecular biology has changed our perceptions of medicine, agriculture, and environmental management. This textbook presents the principles of bioprocess engineering in a way that is accessible to biological scientists.
Author: D. Birch
Publisher:
ISBN:
Category : Chemical engineering
Languages : en
Pages : 21
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Book Description
Author: Muneeb Ur Rahman Shaik
Publisher:
ISBN:
Category : Gas-liquid interfaces
Languages : en
Pages : 49
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Book Description
Despite known advantages of up-pumping wide-blade axial-flow impellers for gas dispersion, little is known about the design guidelines of these impellers. In the present study, the gas dispersion capabilities of the up-pumping axial-flow Maxflo W impeller in low-viscosity liquids have been characterized to incorporate effects of scale and system geometry. Further, a comparison is made with the dispersion performance of an up-pumping pitch-blade turbine and a radial-flow CD-6. This comparison showed that the up-pumping Maxflo W impeller have dispersion speed, torque and power requirements relatively independent of the gas flow rate, providing the ability to handle varying process conditions.Testing at three scales (tank diameters of 0.29 m, 0.44 m and 0.60 m) indicates that the dispersion capabilities of the up-pumping Maxflo W can be described in terms of a scale-independent aeration number - Froude number relationship. Although a minimum impeller rotational speed is required to disperse low gas flows, the increase in dispersion speed is small with increasing gas flow rate. The effects of geometric parameters such as impeller to tank diameter ratio, sparger size and ungassed liquid height on flooded to dispersed conditions have been investigated. Unlike radial-flow gas dispersion impellers that are not strongly affected by some geometric parameters, the up-pumping Maxflo W dispersion performance is strongly dependent on system geometric parameters. Additionally, small impeller to tank diameter ratios of Maxflo W impellers have been found to perform poorly in gas dispersion operations because of their highly axial discharge flow.It was found that the up-pumping pitched-blade turbine exhibits time-dependent dispersion behavior that can permanently fail to disperse gas after appearing to be capable of dispersion for a reasonably long period of time. For this reason, collection of design data required extended and meticulous testing.
Author: Institution of Chemical Engineers (Great Britain)
Publisher:
ISBN:
Category : Chemical engineering
Languages : en
Pages : 652
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Book Description
Presents the proceedings of a conference held in Cambridge, UK, in September 1994. The proceedings cover advances in world developments in the field of mixing. The work is intended for use in the process industries, to whom the academic solutions to mixing problems relate directly.
Author:
Publisher:
ISBN:
Category : Gold
Languages : en
Pages : 372
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Book Description
Author:
Publisher:
ISBN:
Category : Chemistry, Technical
Languages : en
Pages : 1162
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Book Description
