This paper provides an introduction on carbonate cracking and Los Angeles refinery’s recent experience with this corrosion mechanism. Also included in this paper is the methodology used for developing a risk assessment for equipment and piping susceptible to carbonate stress corrosion cracking in a fluid catalytic cracking unit (FCCU) gas plant. The results of the risk assessment were used to identify which equipment and piping should be replaced during the 2003 Los Angeles refinery FCCU turnaround.

Subject
Fluidized catalytic cracking units, Water, Piping, Intergranular stress corrosion cracking, Piping systems, Risk assessment, Inspection, Refineries, Probability, Sour water, Equipment, Carbonate cracking, Carbonate stress corrosion cracking
© 2004 Association for Materials Protection and Performance (AMPP). 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 written permission of AMPP. Positions and opinions advanced in this work are those of the author(s) and not necessarily those of AMPP. Responsibility for the content of the work lies solely with the author(s).
2004
Association for Materials Protection and Performance (AMPP)
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