ISSN 1476-3397 Process Engineer For Engineers… by Engineers May 2010


Membrane Bioreactors


Recycling wastewater


Contents Process Engineer


Humidity detection boosts process effi ciency


Easy road to compliance with sour gas service


15


Membrane bioreactors are increasingly becoming the technology of choice in many water treatment plants. See page 46.


Publisher


David Washington Editor


Paul Boughton


Deputy Editor Sean Ottewell


Design Jill Harris


Production Director Christine Flaxman


Production Co-ordinator Lucy Gilroy


Managing Director Mike Bishop


Sales Manager Norman Leat


Publication Manager Richard de Berry


Advertisement Executives Robert Morris Darren Ringer Louise Bates


Business Manager John Abey


Director of Advertising James Hourigan


Setform’s EUROPEAN ENGINEER magazine is published bi-monthly and distributed to senior engineers throughout Europe. This issue concentrates on Process Engineering. Other issues focus on Design and Chemical.


SETFORM


Setform Limited, Europa House,


13-17 Ironmonger Row, London EC1V 3QG United Kingdom


Tel: +44 (0)20 7253 2545 Fax: +44 (0)20 7608 1600 Email: mail@setform.com www.setform.com


15 PLANT MANAGEMENT 4 Wireless communication ensures interoperability for plant operations 4 A guide to selecting the most appropriate pump technology


24 MATERIALS HANDLING 4 Pneumatic conveying rises to materials handling challenges 4 Positive displacement pumps cut product damage


32 SAFETY IN THE PLANT 4 Bulk bag fillers key to success of massive sulphur recycling project 4 Easy road to compliance with sour gas service


36 ENVIRONMENTAL SOLUTIONS 4New solar-grade silicon feedstock ups efficiency 4 Novel fuel cell technology brings new class of distributed power


40 INSTRUMENTATION 4 Humidity detection boosts process efficiency 4Infrared temperature measurement rises to process challenges


6 Energy management 9 New smaller valves


10 Reducing contamination 12 Thermal installations 21 Process automation knowledge 22 Web gateway


28 Seal-less gear pumps 41 Non-contact measurement 43 Documenting calibrators 44 Automation and control 46 Membrane bioreactors 50 Reader services


The publishers do not sponsor or otherwise support any substance or service advertised or mentioned in this book; nor is the publisher responsible for the accuracy of any statement in this publication. ©2010. The entire conent of this publication is protected by copyright, full details of which are available from the publishers. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without the prior permission of the copyright owner.


32 36 40 24 28


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