Estimation of Mass Transfer Model Parameters from Concentration Profile Measurements in a Liquid-liquid Extraction Column PDF Download
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Author: R. Al-Husseini
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Author: R. Al-Husseini
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Author: J. Thangarajah
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Kuo-Tsung Yu
Publisher: Springer
ISBN: 9811024987
Category : Science
Languages : en
Pages : 425
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This book offers an easy-to-understand introduction to the computational mass transfer (CMT) method. On the basis of the contents of the first edition, this new edition is characterized by the following additional materials. It describes the successful application of this method to the simulation of the mass transfer process in a fluidized bed, as well as recent investigations and computing methods for predictions for the multi-component mass transfer process. It also demonstrates the general issues concerning computational methods for simulating the mass transfer of the rising bubble process. This new edition has been reorganized by moving the preparatory materials for Computational Fluid Dynamics (CFD) and Computational Heat Transfer into appendices, additions of new chapters, and including three new appendices on, respectively, generalized representation of the two-equation model for the CMT, derivation of the equilibrium distribution function in the lattice-Boltzmann method, and derivation of the Navier-Stokes equation using the lattice-Boltzmann model. This book is a valuable resource for researchers and graduate students in the fields of computational methodologies for the numerical simulation of fluid dynamics, mass and/or heat transfer involved in separation processes (distillation, absorption, extraction, adsorption etc.), chemical/biochemical reactions, and other related processes.
Author: Sam Stuart
Publisher: Elsevier
ISBN: 148328462X
Category : Technology & Engineering
Languages : en
Pages : 329
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Book Description
Extraction '84 presents the proceedings of the Symposium on Liquid–Liquid Extraction Science, held in Dounreay, Scotland, on November 27–29, 1984. This book discusses the principle involved in liquid–liquid extraction. Organized into 22 chapters, this compilation of papers begins with an overview of the performances of pulsed columns, including decontamination factors and recovery yields. This text then discusses the alternative ways of managing neptunium in the Purex process and reviews the main coordination and redox characteristics of neptunium in nitric medium. Other chapters consider the mass transfer measurements made in a pulsed plate liquid–liquid extraction column. This book discusses as well the extraction of uranium from wet process phosphoric acid. The final chapter deals with full-scale pulse column tests, which have been performed with uranium and simulated fission products to evaluate. This book is a valuable resource for chemical engineers, chemists, chemical physicists, and research workers.
Author: KAL RENGANATHAN SHARMA
Publisher: PHI Learning Pvt. Ltd.
ISBN: 9788120331426
Category : Technology & Engineering
Languages : en
Pages : 456
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Book Description
This book addresses the specific needs of undergraduate chemical engineering students for the two courses in Mass Transfer I and Mass Transfer II. It is also suitable for a course in Downstream Processing for biotechnology students. This self-contained textbook is designed to provide single-volume coverage of the full spectrum of techniques for chemical separations. The operations covered include vapour distillation, fluid adsorption, gas absorption, liquid extraction, solid leaching, gas humidification, solid drying, foam separation, solution crystallization, metal alloying, reverse osmosis, molecular sieves, electrodialysis, and ion exchange. The text also discusses emerging applications such as drug delivery, gel electrophoresis, bleaching, membrane separations, polymer devolatilization, solution crystallization, and gas chromatography. Equipment selection is discussed for different operations. A table of industrial applications for each and every mass transfer unit operation is provided. The worked examples illustrate problems from chemical process and biotechnology industries. Review questions encourage critical thinking, and end-of-chapter problems emphasize grasping of the fundamentals as well as illustrate applications of theory to a wide variety of scenarios. KEY FEATURES • Includes several case studies ranging from manufacture of vitamin C, prilling tower to granulate urea to vanaspati discolouration and wilting of the lettuce. • Introduces generalized Fick’s law of diffusion. • Discusses hollow fibre mass exchangers. • Introduces new concepts such as cosolvent factor, Z step procedure for multistage cross-current extraction.
Author:
Publisher:
ISBN:
Category : Chemical engineering
Languages : en
Pages : 954
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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A critical survey of the published literature concerning modelling of liquid-liquid extraction columns, mass transfer studies in extraction towers and the influence of backmixing on concentration profiles, extraction efficiency and the number of transfer units has been made to determine the most accurate correlations for computing the true number of transfer units or the true overall mass transfer coefficients in backmixed solvent extraction columns. These parameters are of great significance and are very useful in the design and performance evaluation of solvent extraction columns. Several approximate correlations of these parameters as a function of column geometry, operating conditions, and physical properties of the liquid systems involved have been developed and it is possible to use mathematical models in the interpretation and analysis of experimental data to determine which correlations appear to be most accurate and easiest to use. The results of the data analysis, together with the best possible estimate of the extraction efficiency were applied to a differential backmixing model to obtain concentration profiles in an extraction column.
Author:
Publisher:
ISBN:
Category : Chemical engineering
Languages : en
Pages : 640
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Author: John D. Thornton
Publisher: Oxford University Press
ISBN:
Category : History
Languages : en
Pages : 632
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Book Description
This work presents an up-to-date account of some of the fundamental aspects of liquid-liquid extraction technology together with an account of extraction processes in a number of important industries. The work is divided into two parts. Volume 1 is concerned with the thermodynamics of phase equilibria; mass transfer in liquid-liquid systems, including the complicating role of interfacial turbulence; behavior of liquid-liquid dispersions; and the selection and design of countercurrent contactors for particular applications. Volume 2 gives an account of the process chemistry and associated extraction operations in a number of industries of current interest. New extraction techniques have been developed in recent years for specific applications and these are illustrated with reference to the hydrometallurgical, nuclear, pharmaceutical and food industries.
Author:
Publisher:
ISBN:
Category : Power resources
Languages : en
Pages : 504
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