The book "Fluidized Bed Combustion and Identification" offers a comprehensive analysis of fluidized bed combustion, particularly in the context of co-combustion of municipal solid waste (MSW) and lignite. Given the growing challenges in waste disposal and the associated environmental and health risks, fluidized bed combustion is highlighted as a promising technology. This method allows for the efficient handling of various types of waste and offers advantages in emission control. The book examines the dynamic properties of co-combustion and analyzes the effects of key operating parameters on combustion characteristics. Through statistical analyses, fluctuations during stable operation are quantified, and a linear model is developed from the input-output analysis. The insights from this study are crucial for the proper planning and operation of co-combustion facilities.