Pulverized-Coal Combustion and Gasification.pdf

Pulverized-Coal Combustion and Gasification

viii and approaches could be adapted to other coal conversion and combustion problems, we have not considered combustion or gasification in fluidized or fixed beds or in situ processes. In addition, we have not considered other fossil-fuel combustion problems associated with oil shale, tar sands, etc., even though many aspects of pulverized-coal combustion would relate to these problems. For the case of pulverized-coal models, we have attempted to provide a detailed description of the model foundations. Parts I and II of this book emphasize general principles for describing reacting, turbulent or laminar, multiphase systems. General conservation equations are developed and summarized. The basis for computing thermochemical equilibrium in complex, heterogeneous mixtures is presented, together with techniques for rapid computation and reference to required input data. Rate processes are then discussed, including pertinent aspects of turbulence, chemical kinetics, radiative heat transfer, and gas-particle convective-diffusive interactions. Much of Part II deals with parameters and coefficients for describing these complex rate processes. This part of the book provides recommended values of coefficients and parameters for treating complex reacting flows. Parts I and II may well be suitable for use in an advanced course in reacting flows, and have been written partly with that in mind. Part III deals with more specific aspects of pulverized-coal characteristics and rate processes. Following a general description of coal structure and constitution, coal pyrolysis and char oxidation processes are considered.

NOVEL FRAGMENTATION MODEL FOR PULVERIZED COAL … Jovanović, R. D., et al.: Novel Fragmentation Model for Pulverized Coal Particles … THERMAL SCIENCE, Year 2016, Vol. 20, Suppl. 1, pp. S207-S221 S209 perature conditions, i. e. at furnace temperatures in the range of 1300-2000 K.On the other hand, pulverized coal plasma gasification involves phenomena which either do not exist or do

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Pulverized-Coal Combustion and Gasification.pdf


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The behavior of pulverized coal gasification reaction under MILD combustion regime will be significant, and then it affects pulverized coal combustion. This work performs a computational study on the effects of gasification reaction on pulverized coal MILD combustion with N 2 and CO 2 dilution. Pulverized coal combustion and gasification in a …

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