TeachMeFinance.com - explain Quality or grade (of coal)
Quality or grade (of coal) The term 'Quality or grade (of coal)' as it applies to the area of energy can be defined as ' An informal classification of coal relating to its suitability for use for a particular purpose. Refers to individual measurements such as heat value, fixed carbon, moisture, ash, sulfur, major, minor, and trace elements, coking properties, petrologic properties, and particular organic constituents. The individual quality elements may be aggregated in various ways to classify coal for such special purposes as metallurgical, gas, petrochemical, and blending usages'.
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