Hydrodynamic analysis of a circulating fluidized bed coal water slurry gasifier

H. Tsui, S. Yavuzkurt

Research output: Chapter in Book/Report/Conference proceedingChapter


The influence of the hydrodynamics of a circulating fluidized bed (CFB) on the process of gasification was investigated. The fundamentals of this operation are still not fully understood. The solid entrainment rates in the CFB are underestimated if the empirical correlation developed in the literature are used. Thus, a correlation between the dimensionless entrainment rate and the entrainment parameter was derived for determining the solid entrainment rate more accurately. Combustion and solid entrainment models were also developed. Finally; comparisons were made between the results obtained from the hydrodynamic analysis and the kinetic analysis. It was concluded that the process of gasification of coal water slurry fuels was less sensitive to the hydrodynamic effects than to the kinetics of char gasification for a given solid loading. However, the hydrodynamics in the main mechanism which determines the solid loading. (A)

Original languageEnglish (US)
Title of host publicationUnknown Host Publication Title
PublisherNew York, USA, American Society of Mechanical Engineers
ISBN (Print)0791805697, 9780791805695
StatePublished - Jan 1 1990

All Science Journal Classification (ASJC) codes

  • Engineering(all)


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