Combined Cycle Gas Turbine Power Plant With Coal Gasification and Solid Oxide Fuel Cell

Author:

Lobachyov K.1,Richter H. J.1

Affiliation:

1. Thayer School of Engineering, Dartmouth College, 8000 Cummings Hall, Hanover, NH 03855-8000

Abstract

The United States has extensive coal resources; thus, it is important to consider coal as a fuel for electric power production. This work presents a theoretical study of a novel high-efficiency coal-fired power plant. In the proposed combined cycle power plant, the Conoco coal gasification process is linked with solid oxide fuel cells (SOFC) and state-of-the-art gas turbines. The overall efficiency of such a plant can be around 60 percent, considering realistic heat, pressure, and other losses in the different components of the plant. If an additional steam turbine is incorporated, the overall efficiency can be increased to about 62 percent.

Publisher

ASME International

Subject

Geochemistry and Petrology,Mechanical Engineering,Energy Engineering and Power Technology,Fuel Technology,Renewable Energy, Sustainability and the Environment

Reference28 articles.

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2. Appleby, A. J., and Foulkes, F. R., 1989, Fuel Cell Handbook, Van Nostrand Reihnolds.

3. Arsen’ev L. V. , et al., 1990, “Highly Efficient Combined-Cycle Plant with Steam Cooled Gas Turbine,” Thermal Engineering, Vol. 37(3), pp. 111–114.

4. ASPEN PLUS Simulation Code, Release 8.5–3.3, 1991, Aspen Technology Inc., 251 Vassar St., Cambridge, MA.

5. Bolland, O., and Stadaas, J. F., 1993, “Comparative Evaluation of Combined Cycles and Gas Turbine Systems, with Water Injection, Steam Injection and Recuperation,” presented at the International Gas Turbine and Aeroengine Congress and Exposition, Cincinnati, Ohio, May 24–27, Paper 93-GT-57.

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