Sizes 75 4.6 Concluding remarks 76 Notation 77 References 78Ġ The mixing of cohesive powders N. Variable size 74 4.5.3 Powders containing species of differing densities and Introduction 62 Fundamentals offluidization 63 4.2.1 Minimum fluidization 63 4.2.2 Types of fluidization 64 4.2.3 The role of bubbles 67 Types of mixing problems 68 Mixing in non-segregating systems 69 4.4.1 Background theory 69 4.4.2 Turnover times 71 4.4.3 Residence time distributions 71 Mixing in segregating systems 73 4.5.1 Mixing criteria 73 4.5.2 Powders containing particles of equal density but Harnby 3.1 The range of mixers available 42ģ.1.1 Tumbler mixers 42 3.1.2 Convective mixers 42ģ.1.3 High shear mixers 47 3.1.4 Fluidized mixers 48 3.1.5 Hopper mixers 51 3.1.6 Multi-purpose mixers 52 Selection based on process requirements Selection based on mixture quality 54 Selection based on mixing costs 59 Selection decision chart 61 HH~ WILL PAY FOIt BTCV TO ~ Ng~ CARE FOIt A TREF.ġ1 The selection of powder mixers 42 N. Library of Congress Cataloguing in Publication Data A catalogue record for this book is available from the Library of CongressĮV [ I~ T r rU THAT ~ r lE l. Applications for the copyright holder's written permission to reproduce any part of this publication should be addressed to the publisherīritish Library Cataloguing in Publication Data A catalogue record for this book is available from the British Library No part of this publication may be reproduced in any material form (including photocopying or storing in any medium by electronic means and whether or not transiently or incidentally to some other use of this publication) without the written permission of the copyright holder except in accordance with the provisions of the Copyright, Designs and Patents Act 1988 or under the terms of a licence issued by the Copyright Licensing Agency Ltd, 90 Tottenham Court Road, London, England, WI P 0LP. �9 Reed Educational and Professional Publishing Ltd 1985, 1992Īll rights reserved. OXFORD AUCKLAND BOSTON JOHANNESBURG MELBOURNE NEW DELHIįirst published 1985 Reprinted 1987, 1989, 1990 Second edition 1992 Paperback edition 1997 Reprinted 2000 Transferred to digital printing 2001 ~ A member of the Reed Elsevier pie group
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