mixing and agitation

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Mixing of Liquids by Mechanical Agitation
Author : Jaromír J. Ulbrecht,Gary Kent Patterson
Publisher : Taylor & Francis
Release Date : 1985
ISBN 10 : 9782881241123
Pages : 345 pages

First published in 1985. Routledge is an imprint of Taylor & Francis, an informa company.

Concept of Design for Agitator/Mixer
Author : Imran Pinjara
Publisher : Imran Pinjara
Release Date :
ISBN 10 :
Pages : 30 pages

This book is for acquiring knowledge of designing a Agitator or Mixer. This Book explains Mechanical Design Process of Agitator with example of Designing a agitator,Flow patterns in agitator, Geometrical Relations for various types of agitator Impeller,Selection of agitator on the basis of Viscosity of fluids,Power Curves for Various Impeller for Calculation of Power Number to Calculate Power required for agitation by using Dimensionless equation of power number. This book gives you Overall Guideline of mechanical agitation process for better Understanding.

Fluid Mixing and Gas Dispersion in Agitated Tanks
Author : Gary B. Tatterson
Publisher : N.A
Release Date : 2003-04-01
ISBN 10 : 9780972663526
Pages : 548 pages

This text is an organized literature review of research in mixing, power requirements and gas dispersion in agitated tanks up to 1991.

Agitation, Mixing and Mass Transfer in Simulated High Viscosity Fermentation Broths
Author : N.A
Publisher : N.A
Release Date :
ISBN 10 :
Pages : 329 pages

Gas-liquid mass transfer, agitator power consumption, rheology, gas-liquid mixing and gas hold-up have been studied in an agitated, sparged vessel of diameter, T = 0.3 m, with a liquid capacity of 0.02 m\(^3\), unaerated liquid height = 0.3 m. The solutions of sodium carboxymethylcellulose used exhibit moderate viscoelasticity and shear thinning behaviour, obeying the power law over the range of shear rates studied. The gas-liquid mass transfer was studied using a steady state technique. This involves monitoring the gas and liquid phase oxygen concentrations when a microorganism (yeast) is cultured in the solutions of interest. Agitator power consumption was measured using strain gauges mounted on the impeller shaft. Various agitator geometries were used. These were: Rushton turbines (D = T/3 and D = T/2), used singly and in pairs; Intermig impellers (D = 0.58T), used as a pair; and a 45° pitched blade turbine (D = T/2), used in combination with a Rushton turbine. Gas hold-up and gas-liquid flow patterns were visually observed. In addition, the state of the culture variables, (oxygen uptake rate and carbon dioxide production rate), were used to provide a respiratory quotient, the value of which can be linked to the degree of gas-liquid mixing in the vessel. Measurement of point values of the liquid phase oxygen concentration is also used to indicate the degree of liquid mixing attained. The volumetric mass transfer coefficient, k\(_L\)a, was found to be dependent on the conditions in which the yeast was cultivated, as well as being a function of time. These variations were associated with variations in solution composition seen over the course of each experiment. Steps were taken to ensure that further k\(_L\)a values were measured under identical conditions of the culture variables, in order to determine the effect on k\(_L\)a of varying viscosity, agitator speed and type and air flow rate. Increasing solution viscosity results in poorer gas-liquid mixing and.

Transport Processes and Separation Process Principles (includes Unit Operations)
Author : Christie John Geankoplis
Publisher : N.A
Release Date : 2013-07-25
ISBN 10 : 9781292026022
Pages : 982 pages

Appropriate for one-year transport phenomena (also called transport processes) and separation processes course. First semester covers fluid mechanics, heat and mass transfer; second semester covers separation process principles (includes unit operations). The title of this Fourth Edition has been changed from Transport Processes and Unit Operations to Transport Processes and Separation Process Principles (Includes Unit Operations). This was done because the term Unit Operations has been largely superseded by the term Separation Processes which better reflects the present modern nomenclature being used. The main objectives and the format of the Fourth Edition remain the same. The sections on momentum transfer have been greatly expanded, especially in the sections on fluidized beds, flow meters, mixing, and non-Newtonian fluids. Material has been added to the chapter on mass transfer. The chapters on absorption, distillation, and liquid-liquid extraction have also been enlarged. More new material has been added to the sections on ion exchange and crystallization. The chapter on membrane separation processes has been greatly expanded especially for gas-membrane theory.

Handbook of Industrial Mixing
Author : Edward L. Paul,Victor A. Atiemo-Obeng,Suzanne M. Kresta
Publisher : John Wiley & Sons
Release Date : 2004-02-17
ISBN 10 : 0471451444
Pages : 1440 pages

Handbook of Industrial Mixing will explain the difference and usesof a variety of mixers including gear mixers, top entry mixers,side entry mixers, bottom entry mixers, on-line mixers, andsubmerged mixers The Handbook discusses the trade-offs amongvarious mixers, concentrating on which might be considered for aparticular process. Handbook of Industrial Mixing explainsindustrial mixers in a clear concise manner, and also: * Contains a CD-ROM with video clips showing different type ofmixers in action and a overview of their uses. * Gives practical insights by the top professional in thefield. * Details applications in key industries. * Provides the professional with information he did receive inschool

Mixing V3
Author : Vincent W. Uhl
Publisher : Elsevier
Release Date : 2012-12-02
ISBN 10 : 032315588X
Pages : 324 pages

Mixing: Theory and Practice, Volume III is a five-chapter text that covers the significant improvements in the theoretical aspects and knowledge in mixing related to industrial-scale operations. The introductory chapters deal with the agitation of particulate solid-liquid mixtures and the turbulent radial mixing in pipes, with particular emphasis on the effects of jets and baffles on such mixing. The following chapter presents the theoretical analysis and experimental confirmation for predicting hydrodynamic characteristics and some process results in mechanically agitated vessels. Another chapter provides a comprehensive development of approaches and recommended practices for scale-up of agitated liquid equipment. The methods considered serve as a useful guide for reducing the risk of scale-up and scale-down catastrophes. The last chapter discusses the fundamental concepts and measures of the quality of mixing and the mechanisms of mixing and segregation. This chapter also introduces the process of continuous mixing of solids.

Applied Chemical Process Design
Author : F. Aerstin,G. Street
Publisher : Springer Science & Business Media
Release Date : 2012-12-06
ISBN 10 : 1461339766
Pages : 312 pages

Development of a new chemical plant or process from concept evaluation to profitable reality is often an enormously complex problem. Generally, a plant-design project moves to completion through a series of stages which may include inception, preliminary evaluation of economics and market, data development for a final design, final economic evaluation, detailed engineering design, procurement, erection, startup, and pro duction. The general term plant design includes all of the engineering aspects involved in the development of either a new, modified, or expanded industrial plant. In this context, individuals involved in such work will be making economic evaluations of new processes, designing individual pieces of equipment for the proposed new ventures, or developing a plant layout for coordination of the overall operation. Because of the many design duties encountered, the engineer involved is many times referred to as a design engineer. If the latter specializes in the economic aspects of the design, the individual may be referred to as a cost engineer. On the other hand, if he or she emphasizes the actual design of the equipment and facilities necessary for carrying out the process, the individual may be referred to as a process design engineer. The material presented in this book is intended to aid the latter in developing rapid chemical designs without becoming unduly involved in the often complicated theoretical underpinnings of these useful notes, charts, tables, and equations.

Author : Shinji Nagata
Publisher : Halsted Press
Release Date : 1975
ISBN 10 :
Pages : 458 pages

Chemical Process Equipment - Selection and Design (Revised 2nd Edition)
Author : James R. Couper,W. Roy Penney,James R. Fair, PhD
Publisher : Gulf Professional Publishing
Release Date : 2009-08-11
ISBN 10 : 9780080919720
Pages : 832 pages

A facility is only as efficient and profitable as the equipment that is in it: this highly influential book is a powerful resource for chemical, process, or plant engineers who need to select, design or configures plant sucessfully and profitably. It includes updated information on design methods for all standard equipment, with an emphasis on real-world process design and performance. The comprehensive and influential guide to the selection and design of a wide range of chemical process equipment, used by engineers globally • Copious examples of successful applications, with supporting schematics and data to illustrate the functioning and performance of equipment Revised edition, new material includes updated equipment cost data, liquid-solid and solid systems, and the latest information on membrane separation technology Provides equipment rating forms and manufacturers’ data, worked examples, valuable shortcut methods, rules of thumb, and equipment rating forms to demonstrate and support the design process Heavily illustrated with many line drawings and schematics to aid understanding, graphs and tables to illustrate performance data

Chemical Reactor Modeling
Author : Hugo A. Jakobsen
Publisher : Springer Science & Business Media
Release Date : 2014-04-02
ISBN 10 : 3319050923
Pages : 1535 pages

Chemical Reactor Modeling closes the gap between Chemical Reaction Engineering and Fluid Mechanics. The second edition consists of two volumes: Volume 1: Fundamentals. Volume 2: Chemical Engineering Applications In volume 1 most of the fundamental theory is presented. A few numerical model simulation application examples are given to elucidate the link between theory and applications. In volume 2 the chemical reactor equipment to be modeled are described. Several engineering models are introduced and discussed. A survey of the frequently used numerical methods, algorithms and schemes is provided. A few practical engineering applications of the modeling tools are presented and discussed. The working principles of several experimental techniques employed in order to get data for model validation are outlined. The monograph is based on lectures regularly taught in the fourth and fifth years graduate courses in transport phenomena and chemical reactor modeling and in a post graduate course in modern reactor modeling at the Norwegian University of Science and Technology, Department of Chemical Engineering, Trondheim, Norway. The objective of the book is to present the fundamentals of the single-fluid and multi-fluid models for the analysis of single and multiphase reactive flows in chemical reactors with a chemical reactor engineering rather than mathematical bias. Organized into 13 chapters, it combines theoretical aspects and practical applications and covers some of the recent research in several areas of chemical reactor engineering. This book contains a survey of the modern literature in the field of chemical reactor modeling.

Power Requirements and Mixing Time in the Agitation of Pseudoplastic Fluids
Author : Edward Stanley Godleski
Publisher : N.A
Release Date : 1961
ISBN 10 :
Pages : 150 pages