Phosphorous containing compounds play a major role in controlling corrosion and therefore reducing phosphorous levels will have a direct effect on corrosion mitigation. While the drivers behind lowering phosphorous are largely environmental, there are benefits in optimising cooling water programs so as to minimise phosphorus discharge. Several different chemistries will be discussed along with their potential limitations.

Subject
Calcium phosphates, Sensors, Precipitation (solids), Corrosion rate, Precipitates, Calcium carbonate, Phosphonates, Acidity, Polymers, Phosphates, Corrosion losses, Corrosion inhibitors, Cooling water
Keywords:
pitting inhibitors, molybdate, phosphate, phosphonate, sulphonated co-polymer
© 1996 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).
1996
Association for Materials Protection and Performance (AMPP)
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