During the final engineering design stage of the Gulf residual oil hydrodesulfurization (HDS) process, it was apparent that a materials evaluation program would be required. The scarcity of reliable corrosion data for desulfurizing conditions at hydrogen pressures between 2000 and 3000 psi with 2 to 5 mole percent H2S contents made the selection for some materials questionable. Therefore, the possibility of severe sulfide corrosion warranted such an investigation, especially in light of the extensive damages experienced in the early 1950's when naphtha desulfurizers were first introduced. Also, the literature on H2/H2S corrosion does not fully agree on the effect on corrosion rates with increased hydrogen pressures and hydrogen sulfide concentrations.

Subject
Materials, Hydrogen concentration, Corrosion rate, Aluminum, Tubes, Steel coupons, Hydrogen attack, Partial pressures, Corrosion scales, Weight loss, Corrosion data, Stainless steel, Alloy steel
© 1974 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).
1974
Association for Materials Protection and Performance (AMPP)
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