High performance corrosion inhibitors with lower toxicity are now available commercially. For this reason, the performance of these “green” corrosion inhibitors selected carefully in the laboratory and optimized on the field is not questionable, provided field conditions remain stable and adequate for the chemical to be available at the pipe wall. It is therefore the responsibility of the operator to ensure that these conditions are met. This study gives an example where the availability of a “green” corrosion inhibitor at the pipe wall had to be enforced by imposing a tight control on operating conditions. The use of the different tools available to the corrosion engineer is described, and the relevance of shear stresses is discussed.

Subject
Test methods, Piping, Corrosion rate, Flow velocity, Walls, Stress, Shear, Corrosion modeling, Fluids, Pressure, Corrosion inhibitors, Corrosion data, Corrosion monitoring
© 2000 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).
2000
Association for Materials Protection and Performance (AMPP)
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