This paper briefly reviews the history of fluoroelastomeric coatings as linings for flue gas desulfurization scrubber units. It describes the basic characteristics of fluoroelastomers and illustrates their success in the original design applications of the first generation lining systems. The first generation fluoroelastomers had less successful applications in retrofit flue gas desulfurization units than similar applications in new facilities; it was subsequently shown that this was due to improved performance with a heat cure. Normal start-up conditions of new facilities provided this essential heat cure. Because of the more rapid exposure to operating conditions with retrofit FGD installations, second generation fluoroelastomers were needed to provide suitable performance. This paper illustrates the successful development of such materials.

Subject
Acids, Costs, Coating performance, Coatings, Materials, Materials performance, Flue gas desulfurization, Chemical resistance, Heat, Linings, Construction, Maintenance, Blistering
© 1988 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).
1988
Association for Materials Protection and Performance (AMPP)
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