The development and testing of a novel, oligomeric calcium carbonate inhibitor is described. Designed to substitute for organic-phosphonates in low-phosphorus, alkaline cooling water treatment programs, this novel inhibitor has excellent chlorine and soluble iron tolerance, provides scale deposition inhibition at conditions of high pH and high scaling indices and can replace polymeric zinc stabilizers in organic-zinc programs. Static and dynamic recirculator data are shown comparing the efficacy of the new inhibitor compared with industry standard inhibitors including organic phosphonates and polymers.

Subject
Water, Inhibitor performance, Phosphonates, Scale inhibitors, Iron, Calcium, Tolerances, Acidity, Inhibitor treatment, Corrosion inhibitors, Chlorine, Zinc, Langelier saturation index
Keywords:
cooling water, calcium carbonate inhibition, environmental regulations, non-phosphorus, phosphonate replacement
© 1993 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).
1993
Association for Materials Protection and Performance (AMPP)
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