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Coal Generated Synthetic Gas Operating Experience With Two 100 MW-Class Combustion Turbines FREE

[+] Author Affiliations
E. M. Morrison

Dow Chemical, Plaquemine, LA

P. W. Pillsbury

Westinghouse Electric Corporation, Orlando, FL

Paper No. 89-GT-257, pp. V003T06A011; 7 pages
doi:10.1115/89-GT-257
From:
  • ASME 1989 International Gas Turbine and Aeroengine Congress and Exposition
  • Volume 3: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications
  • Toronto, Ontario, Canada, June 4–8, 1989
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7915-3
  • Copyright © 1989 by ASME

abstract

Dow Chemical, U. S. A., is currently operating two Westinghouse W501D5 combustion turbines with synthetic gas from the commercial demonstration coal gasification unit at Plaquemine, Louisiana.

The first of these units was fueled with synthetic gas in April 1987. This conversion followed several years of experimentation and prototype work by Dow and Westinghouse. The second unit began operating with synthetic gas during September 1987.

Addition of synthetic gas capability to these combustion turbines, originally installed in December 1982 and May 1983, was relatively straightforward, and once installed, did not adversely affect their operation or efficiency on natural gas, or mixtures in various proportions with synthetic gas. For durability assessment, special instrumentation was maintained at the site in the months immediately following conversion. This facilitated making minor changes to improve combustor longevity.

The heat recovery units were modified for synthetic gas operation to improve corrosion resistance and to handle higher temperatures. Minor adjustments were made in the controls to accommodate changing gas flow. Emission monitoring was enhanced.

Copyright © 1989 by ASME
Topics: Combustion , Coal , Turbines
This article is only available in the PDF format.

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