10th European Conference on Mixing

1st Edition

Editors: H.E.A. van den Akker J.J. Derksen
Hardcover ISBN: 9780444504760
eBook ISBN: 9780080525792
Imprint: Elsevier Science
Published Date: 14th June 2000
Page Count: 572
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Description

Traditionally, fluid mixing and the related multiphase contacting processes have always been regarded as an empirical technology. Many aspects of mixing, dispersing and contacting were related to power draw, but understanding of the phenomena was limited or qualitative at the most.


In particular during the last decade, however, plant operation targets have tightened and product specifications have become stricter. The public awareness as to safety and environmental hygiene has increased. The drive towards larger degrees of sustainability in the process industries has urged for lower amounts of solvents and for higher yields and higher selectivities in chemical reactors. All this has resulted in a market pull: the need for more detailed insights in flow phenomena and processes and for better verifiable design and operation methods.


Developments in miniaturisation of sensors and circuits as well as in computer technology have rendered leaps possible in computer simulation and animation and in measuring and monitoring techniques.


This volume encourages a leap forward in the field of mixing by the current, overwhelming wealth of sophisticated measuring and computational techniques. This leap may be made possible by modern instrumentation, signal and data analysis, field reconstruction algorithms, computational modelling techniques and numerical recipes.

Readership

For researchers in academia and industry working in the field of mixing and its application to process industries.

Table of Contents

Preface. Mixing: terms, symbols, units (European Federation of Chemical Engineering – Working Party of Mixing 1999). Turbulence Characteristics in Stirred Tanks. Trailing vortex, mean flow and turbulence modification through impeller blade design in stirred reactors (M. Yianneskis). Turbulence generation by different types of impellers (M. Schäfer et al.). Limits of fully developed turbulence in a stirred tank (K.J. Bittorf, S.M. Kresta). Measurements in Chemically Reacting Flows. Spatially resolved measurements and calculations of micro- and macromixing in stirred vessels (M. Buchmann et al.). Characterisation and modelling of a two impinging jet mixer for precipitation processes using laser induced fluorescence (N. Bénet et al.). Four-dimensional laser induced fluorescence measurements of micromixing in a tubular reactor (E. van Vliet et al.). Modelling of Micro-Mixing. Simulation with validation of mixing effects in continuous and fed-batch reactors (G.K. Patterson, J. Randick). A computational and experimental study of mixing and chemical reaction in a stirred tank reactor equipped with a down-pumping hydrofoil impeller using a micro-mixing-based CFD model (O. Akiti, P.M. Armenante). Mixing with a Pfaudler type impeller: the effect of micromixing on reaction selectivity in the production of fine chemicals (I. Verschuren et al.). Comparison of different modelling approaches to turbulent precipitation (D. Marchisio et al.). Application of parallel test reactions to study micromixing in a co-rotating twin-screw extruder (A. Rozen et al.). Solid liquid mixing at high concentration with SMX static mixers (O. Furling et al.). Effects of Viscosity and Rheology on Mixing. Influence of viscosity on turbulent mixing and product distribution of parallel chemical reactions (J. Baldyga et al.). Mixing of two l

Details

No. of pages:
572
Language:
English
Copyright:
© Elsevier Science 2000
Published:
Imprint:
Elsevier Science
eBook ISBN:
9780080525792
Hardcover ISBN:
9780444504760

About the Editor

H.E.A. van den Akker

J.J. Derksen

Affiliations and Expertise

Kramers Laboratorium voor Fysische Technologie, Delft University of Technology, Delft, The Netherlands