Thermal Treatment of Waste Fuels in Fluidised Bed Boilers

Since resource recovery is rather difficult and expensive, the thermal treatment plays a major role. Besides the remarkable reduction of the landfill volume, the high calorific value of the waste materials can be used for the production of process heat and/or electricity. Fluidised bed boiler systems are most suitable for firing waste materials arising from a mechanical- biological preparation plant. Neither a variation of the heating value nor different sources of the waste streams have a negative impact on the combustion; in addition a wide range of fuels with low heating values, such as sludges, can be used. Due to the fact that fluidised bed boilers can also be fired with conventional fuels (coal, oil, gas) a continuous and reliable generation of process heat and/or electricity can be ensured in any case.