Estimates of fluid properties of high volatile bituminous coals

The fluid properties of 40 high volatile bituminous coals have been studied by Gieseler plastometry, under both ASTM (3 K min −1) and isothermal conditions. The Gieseler curves obtained have been analysed with regard to 52 physical, petrographic, and chemical measurements made upon splits of these c...

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Bibliographic Details
Published in:Fuel (Guildford) 1990-10, Vol.69 (10), p.1257-1270
Main Authors: Lloyd, William G., Reasoner, John W., Hower, James C., Yates, Linda P.
Format: Article
Language:English
Subjects:
analysis of coal
Applied sciences
bituminous coal
Coal and derived products
Energy
Exact sciences and technology
fluidization
Fuels
Structure, chemical and physical properties
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Summary:The fluid properties of 40 high volatile bituminous coals have been studied by Gieseler plastometry, under both ASTM (3 K min −1) and isothermal conditions. The Gieseler curves obtained have been analysed with regard to 52 physical, petrographic, and chemical measurements made upon splits of these coals. A number of predictive regressions are developed, including equations predicting ln(maximum fluidity) with R 2 values of 0.927 (3 K min −1 ramp) and 0.935 (isothermal at 420 °C). The significance of the best predictors, and of the signs of their coefficients, is discussed.
ISSN:0016-2361
1873-7153
DOI:10.1016/0016-2361(90)90287-Z