Laboratory and field tests were undertaken to optimize the ratio of the components and the treatment level of a new inhibitor blend based on molybdate and inorganic phosphate. Laboratory results obtained established the efficiency of this treatment under simulated cooling system operating conditions. In the 90 day field test, the corrosion rate of the steel was found to reduce by 85% with remarkable improvement in the quality of the cooling water.

Subject
Pits, Steel surfaces, Water, Corrosion rate, Probes, Synergistic effect, Steel coupons, Phosphates, Cooling systems, Corrosion inhibitors, Carbon steel, Cathodic inhibitors, Anodic inhibitors
Keywords:
cooling system, corrosion inhibitors, low molybdate, phosphates, field tests
© 1994 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).
1994
Association for Materials Protection and Performance (AMPP)
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