Cathodic protection of the inside of water boxes has traditionally involved silicon-iron or platinum probe anodes. However, in the last two decades, the use of mixed metal oxide coated titanium rods, under the trade name LIDA(R), has grown in popularity and acceptance until there are now over 1000 operating worldwide. Design considerations, current outputs and mechanical breakage limitations are presented and compared to platinum anodes. Anode voltage profile testing is reviewed. Anode field experience at three nuclear power plants is presented. Technical and economic comparisons to alternative for cathodic protection of condensers, heat exchangers, water tanks, and other vessels.

LIDA(R)-Trademark of Oronzio De Nora S.A. (a joint venture of The Dow Chemical Company and Oronzio De Nora Group)

Subject
Water, Sodium chloride, Rods, Metal oxides, Titanium oxide, Condensers, Anode resistance, Current densities, Electrical resistivity, Vibration, Titanium, Breakdown potential, Anodes
© 1988 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).
1988
Association for Materials Protection and Performance (AMPP)
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