Field Testing of Heat Exchanger Tube Coatings

Research output: Contribution to conferencePaper


In order to reduce the capital cost of geothermal power plant heat exchange equipment and the maintenance cost associated with fouling, the National Renewable Energy Laboratory has been conducting test of polymer-base liner systems developed by Brookhaven National Laboratory. These line systems protect low-cost carbon steel tubing from corrosion and are formulated to reduce the rate of fouling.Field test data of the latest liner systems show a fouling rate reduction of 15% to 19% compared to previous liner formulations. New Substrates used between polymer liner and tube are expected to improve the liner-to-tube bond and enhance durability during the cleaning process.
Original languageAmerican English
Number of pages12
StatePublished - 1998
EventGeothermal Resources Council 1998 Annual Meeting - San Diego, California
Duration: 20 Sep 199823 Sep 1998


ConferenceGeothermal Resources Council 1998 Annual Meeting
CitySan Diego, California

NREL Publication Number

  • NREL/CP-550-26210


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