Laboratory experiments show that chromate or vanadium oxide can be replaced as stress corrosion crack inhibitors for ethylene oxide plant carbonate loops by sodium sulfide at the 0.18% sulfur level. Transfer of sulfur species into the recycle ethylene is impossible due to the high pH of the environment.

Subject
Sulfur, Intergranular stress corrosion cracking, Iron sulfides, Vanadium, Fissures, Sodium, Film formation, Corrosion inhibitors, Steel, Ethylene, Sulfides, Carbonate stress corrosion cracking, Slow strain rate technique
Keywords:
carbonate solution, chromate, vanadate, sulfide, stress corrosion cracking, polarization, carbon dioxide, slow strain rate testing
© 1992 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).
1992
Association for Materials Protection and Performance (AMPP)
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