Abstract
To study the relation between the chemical composition and melting point of coal ash, 33 samples of coal from the Western Donets Basin are studied. The melting coefficients proposed previously for ash are analyzed in relation to the chemical composition of Western Donets Basin coal, and the correlations between these coefficients and the melting point of the ash are analyzed. A new ash-melting index I am is proposed for predicting the flow temperature of ash from Western Donets Basin coal. The corresponding equations may be used to calculate the expected flow temperature of the ash, with sufficient accuracy. The results are also of interest in predicting the reactivity CRI and postreactive strength CSR of coke, since the chemical composition and melting point of the ash largely determine those parameters.
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