The difference between industrial analysis and elemental analysis of coal
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What is the relationship between fixed carbon in the industrial analysis of coal and carbon in the elemental analysis? Also, what is the percentage of H in the gas equivalent to the percentage of H in the element analysis? I would appreciate some advice from the experts.
To understand industrial analysis and elemental analysis of coal, it is first necessary to understand their definitions. The industrial analysis of coal refers to four analysis parameters: moisture (M), ash content (A), volatile matter (V), and fixed carbon (Fc). Generally, the moisture, ash content, and volatile matter in coal are measured directly, while fixed carbon is calculated by subtraction. In other words, the fixed carbon in coal refers to the residue remaining after the organic substances in coal – of which coal is primarily composed – undergo high-temperature decomposition in an air-free environment, minus its ash content; its main component is carbon. The degree of coalification of coal can be determined based on its fixed carbon content, which is used for classifying coal. The higher the fixed carbon content and the lower the volatile matter, the greater the degree of coalification. The higher the fixed carbon content, the greater the calorific value of the coal. Elemental analysis of coal: it is used to determine the contents of important elements in coal such as carbon, hydrogen, oxygen, nitrogen, and sulfur. That is, the carbon content is simply the percentage of carbon among all elements (usually CHONS).
The industrial analysis of coal refers to four analysis parameters: moisture (M), ash content (A), volatile matter (V), and fixed carbon (Fc). Generally, the moisture, ash content, and volatile matter in coal are measured directly, while fixed carbon is calculated by subtraction. In other words, the fixed carbon in coal refers to the residue remaining after the organic substances in coal – of which coal is primarily composed – undergo high-temperature decomposition in an air-free environment, minus its ash content; its main component is carbon. The degree of coalification of coal can be determined based on its fixed carbon content, which is used for classifying coal. The higher the fixed carbon content and the lower the volatile matter, the greater the degree of coalification. The higher the fixed carbon content, the greater the calorific value of the coal. Elemental analysis of coal: it is used to determine the contents of important elements in coal such as carbon, hydrogen, oxygen, nitrogen, and sulfur. That is, the carbon content is simply the percentage of carbon among all elements (usually CHONS).
Industrial analysis: moisture, ash, fixed carbon, volatile matter. Elemental analysis: C/H/O/N/S/Cl