Visible Plume Investigation on a Combined Cycle Power Plant PUBLIC ACCESS

[+] Author Affiliations
D. E. Carl, E. S. Obidinski, J. P. Stumbar

Westinghouse Electric Corporation, Philadelphia, PA

Paper No. 76-GT-15, pp. V01AT01A015; 12 pages
  • ASME 1976 International Gas Turbine and Fluids Engineering Conference
  • Volume 1A: General
  • New Orleans, Louisiana, USA, March 21–25, 1976
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7974-0
  • Copyright © 1976 by ASME


The visible plume at PSCO PACE 260 is attributable to NO2 in concentrations above 20 ppmv. The NO2 results from the oxidation of NO by the duct burner with no change in total NOX. The exhaust was well within all applicable emission regulations. The plume can be controlled by reducing NO formation in the gas turbine by either wet or dry methods. Future plants are expected to have a less noticeable plume if any at all.

Copyright © 1976 by ASME
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