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ISSN 1068-364X, Coke and Chemistry, 2009, Vol. 52, No. 12, pp. 544–545. © Allerton Press, Inc., 2009. Original Russian Text © S.G. Gagarin, 2009, published in Koks i Khimiya, 2009, No. 12, pp. 48–49. BRIEF COMMUNICATIONS DOI: 10.3103/S1068364X09120096 DEVOLATILIZATION AND CRACKING The effect is greatest for polystyrene and polyethyl- ene terephthalate, which entirely eliminate coal fluidity. OF AUSTRALIAN COAL A similar effect on the viscoplastic properties of coal is The removal of volatiles and crack formation in observed on adding ground polymer waste. In contrast, samples of five Australian coals are studied by thermo- adding even 10% of polyethylene hardly changes coal gravimetric analysis, as a function of the piece size and fluidity on carbonization. There is only a small decrease the temperature. The coal samples are characterized on in the concentration of mobile hydrogen and some the basis of CO adsorption, mercury porometry, X-ray increase in the overall viscosity near the minimum. On diffraction, and fluorescence. The removal of volatiles the other hand, adding 10% ground polymer waste is determined from the mass loss; crack formation is reduces the concentration of mobile hydrogen but has determined in the analysis of images obtained by scan- practically no influence on
Coke and Chemistry – Springer Journals
Published: Apr 11, 2010
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