Concerns about climate change have encouraged significant interest in concepts for ultralow or “zero”-emissions power generation systems. In a concept proposed by Clean Energy Systems, Inc., nitrogen is removed from the combustion air and replaced with steam diluent. In this way, formation of nitrogen oxides is prevented, and the exhaust stream can be separated into concentrated and water streams. The concentrated stream could then serve as input to a sequestration process. In this study, experimental data are reported from a full-scale combustion test using steam as the diluent in oxy-fuel combustion. This combustor represents the “reheat” combustion system in a steam cycle that uses a high and low-pressure steam expansion. The reheat combustor serves to raise the temperature of the low-pressure steam turbine inlet, similar to the reheat stage of a conventional steam power cycle. Unlike a conventional steam cycle, the reheat enthalpy is actually generated by oxy-fuel combustion in the steam flow. This paper reports on the unique design aspects of this combustor, as well as initial emissions and operating performance.
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e-mail: Benjamin.chorpening@netl.doe.gov
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October 2005
Technical Papers
Demonstration of a Reheat Combustor for Power Production With Sequestration
Ben Chorpening,
Ben Chorpening
U.S. Department of Energy,
e-mail: Benjamin.chorpening@netl.doe.gov
National Energy Technology Laboratory
, Morgantown, WV 26507-0880
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Geo. A. Richards,
Geo. A. Richards
U.S. Department of Energy,
National Energy Technology Laboratory
, Morgantown, WV 26507-0880
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Kent H. Casleton,
Kent H. Casleton
U.S. Department of Energy,
National Energy Technology Laboratory
, Morgantown, WV 26507-0880
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Mark Woike,
Mark Woike
NASA Glenn Research Center
, Plum Brook Station, Sandusky, OH 44870
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Brian Willis,
Brian Willis
NASA Glenn Research Center
, Plum Brook Station, Sandusky, OH 44870
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Larry Hoffman
Larry Hoffman
Clean Energy Systems, Inc.
, Rancho Cordova, CA 95742-7500
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Ben Chorpening
U.S. Department of Energy,
National Energy Technology Laboratory
, Morgantown, WV 26507-0880e-mail: Benjamin.chorpening@netl.doe.gov
Geo. A. Richards
U.S. Department of Energy,
National Energy Technology Laboratory
, Morgantown, WV 26507-0880
Kent H. Casleton
U.S. Department of Energy,
National Energy Technology Laboratory
, Morgantown, WV 26507-0880
Mark Woike
NASA Glenn Research Center
, Plum Brook Station, Sandusky, OH 44870
Brian Willis
NASA Glenn Research Center
, Plum Brook Station, Sandusky, OH 44870
Larry Hoffman
Clean Energy Systems, Inc.
, Rancho Cordova, CA 95742-7500J. Eng. Gas Turbines Power. Oct 2005, 127(4): 740-747 (8 pages)
Published Online: March 1, 2003
Article history
Received:
October 1, 2002
Revised:
March 1, 2003
Citation
Chorpening, B., Richards, G. A., Casleton, K. H., Woike, M., Willis, B., and Hoffman, L. (March 1, 2003). "Demonstration of a Reheat Combustor for Power Production With Sequestration." ASME. J. Eng. Gas Turbines Power. October 2005; 127(4): 740–747. https://doi.org/10.1115/1.1924633
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