Coal and Biomass Cofiring: CFD Modeling

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Abstract

Suspension-firing, fluidized bed combustion, and grate-firing are the three main technologies used to cofire coal and biomass for heat and power generation. Computational fluid dynamics (CFD) modeling is a powerful and cost-effective tool for troubleshooting, design, and optimization and plays a vital role in the development of these cofiring technologies. This chapter focuses on CFD of coal and biomass cofiring. After a brief overview of the status of cofiring, the chapter presents in detail the basic modules in general cofiring CFD. Then, the specific or new modeling strategies and issues that are pertinent to each of the cofiring technologies are elaborated. Finally, new modeling issues for coal and biomass cofiring under oxy-fuel conditions are presented before concluding remarks on coal and biomass cofiring modeling are summarized.
Original languageEnglish
Title of host publicationNew Trends in Coal Conversion : Combustion, Gasification, Emissions, and Coking
EditorsIsabel Suarez-Ruiz, Maria Antonia Diez, Fernando Rubiera
Number of pages28
Place of PublicationUK
PublisherWoodhead Publishing
Publication date2019
Pages89-116
Chapter4
ISBN (Print)978-0-08-102201-6
ISBN (Electronic)978-0-08-102202-3
DOIs
Publication statusPublished - 2019

Keywords

  • ash behavior
  • biomass cofiring
  • burnout
  • CFD modeling
  • fluidized bed conbustion
  • grate-firing
  • Pollutant emission
  • suspension-firing

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