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The United Nations has raised concerns about the amount of black carbon and methane produced from open burning as a method of waste disposal. [2] Many cities and regions suffer with air pollution and low air quality as a direct result of open burning of waste.
FBC smoke tube boiler. Fluidized bed combustion (FBC) is a combustion technology used to burn solid fuels.. In its most basic form, fuel particles are suspended in a hot, bubbling fluidity bed of ash and other particulate materials (sand, limestone etc.) through which jets of air are blown to provide the oxygen required for combustion or gasification.