Safe Design and Operation of Process Vents and Emission Ctl Systems (Wiley, engineering
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Safe Design and Operation
of
Process Vents and Emission
Control Systems
Safe Design and Operation
of
Process Vents and Emission
Control Systems
Center for Chemical Process Safety of the
American Institute of Chemical Engineers
CCP
S
A
JOHN WILEY
&
SONS, INC., PUBLICATION
CENTER FOR
CHEMICAL PROCESS
SAFETY
An
AlChE
industry
Technology Alliance
Copyright
0
2006 by John Wiley
&.
Sons, Inc. All rights reserved.
A joint publication of the Center for Chemical Process Safety of the American Institute of Chemical
Engineers and John Wiley
&
Sons, Inc.
Published by John Wiley
&.
Sons, Inc., Hoboken, New Jersey
Published simultaneously in Canada.
No part of this publication may be reproduced, stored in a retrieval system, or transmitted
in
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Library of Congress Cataloging-in-Publication Data:
Safe design and operation of process vents and emission control systems
i
Center for Chemical Process Safety,
p. cm.
Includes index.
ISBN-13: 978-0-471-79296-3 (cloth)
ISBN-10: 0-471-79296-9 (cloth)
1.
Chemical industry-Fume control. 2. Chemical plants-Heating and
ventilation-Safety measures.
prevention. 4. Air-Pollution.
5.
Chemical plants-Piping.
3. Chemical industry-Fires and fire
6. Air
ducts-Design and construction.
Center for Chemical Process Safety.
1.
American Institute of Chemical Engineers
TH7684.C44.S24 2006
660'.2804-&22
2005033607
Printed in the United States of America.
I0987654321
DISCLAIMER
It is sincerely hoped that the information presented in this document will
lead to an even more impressive safety record for the entire industry;
however, neither the American Institute of Chemical Engineers, its
consultants, CCPS Technical Steering Committee and Subcommittee
members, their employers, their employers' officers and directors, nor
[Contractor name] and its employees warrant or represent, expressly or
by implication, the correctness or accuracy of the content of the
information presented in this document.
As
between
(1)
American
Institute of Chemical Engineers, its consultants, CCPS Technical Steering
Committee and Subcommittee members, their employers, their
employers' officers and directors, and
Risk,
Reliability and Safety
Engineering, LLC, and its employees, and
(2)
the user of this document,
the user accepts any legal liability or responsibility whatsoever for the
consequence of its use or misuse.
V
CONTENTS
Preface
Acknowledgment
XIV
xv
Introduction
1.1 Objective
1.2
1.3 Industnes and Operations Covered
1.4 Intended Audience
1.5
1.6 References
Relationshipto Other CCPS Publications
How to Use this
Book
Management Overview
2.1.
Impact on Vent Header Systems
Normal Process and Emergency Systems
3.1
Types of Vent Header Systems
3.1.1 Normal Process Vent Header Systems
3.1.2 Emergency Vent Header Systems
3.1.3 Combined Vent Header Systems
3.1.4 Considerations
13
14
15
16
16
19
19
21
21
23
3.2
Design Philosophy
3.2.1 Design Sequence
3.2.2 Hazards Associated with CombiningVent Streams
3.2.3 Inherent Safety
3.2.4 Flammabilityand Combustibility
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