This paper reports analysis of corrosion failures above and below the water surface in waste water treatment facilities. The metallurgical and chemical characteristics of the failures have been extensively investigated by detailed cross section, electron microscopy, X-ray diffraction and energy dispersive X-ray analysis. The types of corrosion are atmospheric, pitting, hydrogen sulfide attack and bacteria induced corrosion. The paper covers both basic and applied aspects of the failures. Following this a brief description of the corrosion mechanisms involved is presented.

Subject
Pits, Hydrogen sulfide, Sulfur, Corrosion failures, Materials, Metal surfaces, Corrosion products, Bacteria, Localized corrosion, Stainless steel, Chlorides, Wastes, Waste water
© 1989 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).
1989
Association for Materials Protection and Performance (AMPP)
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