In this paper thermodynamical and economic analyses of fossil-fuel-fired power plants, equipped with systems for recovery, are presented. The investigation has been developed with reference to power plants representative both of consolidated technology (i.e., steam cycle and combined cycle power plants), and of emerging or innovative technology (integrated coal gasification combined cycle, IGCC, and advanced mixed cycle, AMC). There are two main methods to reduce from power plant flue gas: physical and chemical absorption. In this work chemical absorption and liquefaction of removed have been considered. With reference to thermodynamical and economic performance, significant comparisons have been made between the above introduced reference plants. An efficiency decrease and an increase in the cost of electricity has been obtained when power plants are equipped with removal systems and units for liquefaction of the removed carbon dioxide. The main results of the performed investigation are quite variable among the different power plants here considered: their efficiency decreases in a range of 6 percentage points to nearly 13, while the electricity production cost increases in a range of 25% until 72%. The AMC stands out among the other power plants here analyzed because, after recovery, it exhibits the lowest net work output decrease, the highest net efficiency and the lowest final specific emission. In addition to this, its economic impact is favorable when the AMC is equipped with systems for recovery. As a result it achieves a net electric efficiency of about 50% with a carbon dioxide emission of about 0.04 kg/kWh, and the electricity production cost rises to about 25% in comparison with an AMC without removal and liquefaction systems.
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e-mail: gambini@ing.uniroma2.it
e-mail: vellini@ing.uniroma2.it
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January 2003
Technical Papers
Emission Abatement From Fossil Fuel Power Plants by Exhaust Gas Treatment
M. Gambini,
e-mail: gambini@ing.uniroma2.it
M. Gambini
Department of Energetic Sciences and Technologies, University of Rome “Tor Vergata,” Via del Politecnico, No. 1, 00133 Roma, Italy
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M. Vellini
e-mail: vellini@ing.uniroma2.it
M. Vellini
Department of Energetic Sciences and Technologies, University of Rome “Tor Vergata,” Via del Politecnico, No. 1, 00133 Roma, Italy
Search for other works by this author on:
M. Gambini
Department of Energetic Sciences and Technologies, University of Rome “Tor Vergata,” Via del Politecnico, No. 1, 00133 Roma, Italy
e-mail: gambini@ing.uniroma2.it
M. Vellini
Department of Energetic Sciences and Technologies, University of Rome “Tor Vergata,” Via del Politecnico, No. 1, 00133 Roma, Italy
e-mail: vellini@ing.uniroma2.it
Contributed by the Power Division of THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS for publication in the ASME JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER. Manuscript received by the Power Division Sept. 2001; final revision received by the ASME Headquarters May 2002. Associate Editor: D. Lou.
J. Eng. Gas Turbines Power. Jan 2003, 125(1): 365-373 (9 pages)
Published Online: December 27, 2002
Article history
Received:
September 1, 2001
Revised:
May 1, 2002
Online:
December 27, 2002
Citation
Gambini, M., and Vellini, M. (December 27, 2002). " Emission Abatement From Fossil Fuel Power Plants by Exhaust Gas Treatment ." ASME. J. Eng. Gas Turbines Power. January 2003; 125(1): 365–373. https://doi.org/10.1115/1.1519270
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