It is hypothesized that sludge consolidation is promoted by chemical reactions involving the various sludge constituents, although the hardness of the final product will also depend on the total porosity. Oxidizing conditions and higher temperatures produce a harder sludge. The precipitation of Zn2SiO4--a potential binding agent--may also promote sludge consolidation. Several solutions to prevent sludge consolidation are suggested.

Subject
X-ray diffraction, Water, Iron oxide, Iron, Steam generators, Mixtures, Porosity, Sludge, Magnetite, Copper, Deposit corrosion, Hardness, Chemical reactions
Keywords:
consolidation mechanism, steam generator sludge, sludge porosity, willemite, magnetite, copper, silica
© 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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