Tests demonstrate anticoking capability of new coating

Ted Redmond Westaim Surface Engineered Products Inc. Edmonton, Alta. Michael P. Bergeron Union Texas Petrochemicals Corp. Geismar, La. Surface-engineered tubes developed by Westaim Surface Engineered Products Inc. (SEP) were successfully tested by Union Texas Petrochemicals (UTP) in a partial ethylene-furnace evaluation. The UTP plant cracks ethane feedstock in Geismar, La. The first surface-engineered application, trademarked CoatAlloy, is a coating that resurfaces the inside of tubes and fittings so they resist carburization and coke buildup in pyrolysis furnaces. Four coated tubes were tested in one of UTP's short residence time furnaces. Pressure drops ...

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