Thermogravimetric and Rock-Eval Studies Of Coal Properties and Coal Rank
Energy & Fuels1999Vol. 13(2), pp. 396–400
Citations Over TimeTop 10% of 1999 papers
Abstract
A wide range of coal ranks from lignite to anthracite has been investigated using thermogravimetric analysis (TGA). The derivative peak maximum for volatile matter evolution shows a strong correlation (r2 = 0.998) with vitrinite reflectance, thereby providing a convenient measure of degree of coalification (coal rank) without requiring the equipment of and more time-consuming petrographic analysis. Tmax by the Rock-Eval method also shows a positive although somewhat poorer correlation (r2 = 0.856) with vitrinite reflectance. TGA also reproduces the components of the proximate analysis of coal.
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