Variation in coal composition. A computational approach to study the mineral composition of individual coal particles

Conference · Sun Jan 01 04:00:00 EST 1989 · Preprints of Papers, American Chemical Society, Division of Fuel Chemistry; (USA)

OSTI ID:5113223

Charon, O; Kang, S G; Graham, K; Sarofim, A F; Beer, J M ^[1]

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1. Massachusetts Institute of Technology, Cambridge (USA)

Mineral matter transformations, and therefore fly ash evolution, during pulverized coal combustion depend on the amount, composition and spatial distribution of the inorganic matter within individual pulverized coal particles. Thus, it is necessary to have information on the mineral composition of individual particles, as well as that of the raw pulverized coal. A model has been developed to predict the variation of individual coal particle compositions. It uses CCSEM data for a given raw coal as input and randomly distributes the mineral inclusions in the coal volume. By random selection of monosize coal particles, it is possible to generate distributions of mineral content for any particle size distribution of coal. The model has been checked by comparing computed results with data on the composition variations of narrowly size and density classified fractions of an Upper Freeport bituminous coal. The results for individual coal particle compositions are used to generate information on the variability of the composition of the fly ash generated during combustion.

• OSTI ID: 5113223
• Report Number(s): CONF-8904163--
• Conference Information: Journal Name: Preprints of Papers, American Chemical Society, Division of Fuel Chemistry; (USA) Journal Volume: 34:2
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
010600* -- Coal
Lignite
& Peat-- Properties & Composition
014000 -- Coal
Lignite
& Peat-- Combustion
AEROSOL WASTES
ASHES
BITUMINOUS COAL
BLACK COAL
CARBONACEOUS MATERIALS
CHEMICAL COMPOSITION
CHEMICAL REACTIONS
COAL
COMBUSTION
DATA
ENERGY SOURCES
EQUATIONS
EXPERIMENTAL DATA
FLY ASH
FOSSIL FUELS
FUELS
INFORMATION
MATERIALS
MATHEMATICAL MODELS
MINERALS
NUMERICAL DATA
OXIDATION
PARTICLE SIZE
PARTICLES
PREDICTION EQUATIONS
RESIDUES
SIZE
THERMOCHEMICAL PROCESSES
WASTES