Co‐Firing Biomass with Coal in Fluidized Bed Combustion Systems

Abstract

This chapter overviews direct co‐firing applications of agricultural and forestry residues with coal in fluidized bed combustion (FBC) systems, which is the most promising technology due to its fuel flexibility and high efficiency. Similarities and differences in characteristics of biomass and coal are summarized. Issues on operational problems and their possible solutions in FBC systems firing biomass only are identified. Among the available solutions to these problems, co‐firing biomass with coal is the most effective and simple option. Experiences obtained from several biomass/coal blends in FBC systems, ranging from laboratory rigs to large‐scale utility boilers, are presented to emphasize the impact of co‐firing on combustion efficiency, emissions and ash‐related operational problems.

Pyrolysis and Combustion Behavior of Ternary Fuel Blends in Air and Oxy-Fuel Conditions by Using TGA-FTIR

“…Within available technologies, fluidized bed combustion (FBC) is usually indicated to be the best choice for cofiring due to its fuel flexible features, long residence times, and uniform combustion temperatures, and also for high combustion efficiency and availability with low emissions (Selcuk and Gogebakan, 2010).…”