Combustion and Gasification in Fluidized Beds
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Besides being one of the best Clean Coal Technologies, fluidized beds are also proving to be the most practical option for biomass conversion. Although the technology is well established, the field lacks a comprehensive guide to the design and operating principles of fluidized bed boilers and gasifiers. With more than 30 years of research and industrial experience, Prabir Basu answers this pressing need with Combustion and Gasification in Fluidized Beds. This book is a versatile resource that explains how fluidized bed equipment works and how to use the basic principles of thermodynamics and fluid mechanics in design while providing insight into planning new projects, troubleshooting existing equipment, and appreciating the capabilities and limitations of the process. From hydrodynamics to construction and maintenance, the author covers all of the essential information needed to understand, design, operate, and maintain a complete fluidized bed system. It is a must for clean coal technology as well as for biomass power generation. Beginning with a general introduction to fossil or biofuel conversion choices, the book surveys hydrodynamics, fundamentals of gasification, combustion of solid fuels, pollution aspects including climate change mitigation, heat transfer in fluidized beds, the design and operation of bubbling and circulating fluidized bed boilers, and various supporting components such as distributor grates, feeding systems, and gas-solid separators.
Ch. 1Introduction1Ch. 2Hydrodynamics21Ch. 3Fluidized bed gasification59Ch. 4Combustion103Ch. 5Emissions135Ch. 6Heat transfer173Ch. 7Bubbling fluidized bed boiler211Ch. 8Circulating fluidized bed boiler253Ch. 9Material issues299Ch. 10Solid handling systems for fluidized beds337Ch. 11Air distribution grate359Ch. 12Gas-solid separators381Ch. 13Solid recycle systems417App. 1Characteristics of solid particles439App. 2Stoichiometric calculations445App. 3Simplified model for sulfur capture453
