Abstract

This work supports the development studies for atmospheric and pressurized fluidized-bed coal combustion. Laboratory and bench-scale (process development) studies are aimed at providing needed information on limestone utilization, control of emission of alkali metal compounds and SO/sub 2/ during combustion, particulate loadings of flue gas, and other aspects of fluidized-bed coal combustion. Characterization of a variety of limestones and dolomites from various parts of the United States for suitability for use in fluidized-bed combustors for SO/sub 2/ emission control is also being done. Reducing the volume of solid wastes to reduce their environmental impact is a major goal. The development of methods for controlling the composition of hot flue gas so that it is a suitable feed gas for gas turbines is another major aim. These studies are designed to supply data and new concepts essential for the timely application of fluidized-bed combustion units to public utility and industrial systems.

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