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Five lignite samples from Russia’s Itatsky, Munai, Arkharo-Boguchansky, and Kangalassky fields and the Mongolian Baganuur field are characterized on the basis of technical analysis, their elemental composition, calorific value, petrographic… Click to show full abstract
Five lignite samples from Russia’s Itatsky, Munai, Arkharo-Boguchansky, and Kangalassky fields and the Mongolian Baganuur field are characterized on the basis of technical analysis, their elemental composition, calorific value, petrographic composition, and the properties of their mineral component. Experimental data regarding the chemical composition of their ash residues permit empirical calculation of temperatures characterizing ash fusibility, the temperature of normal liquid slag removal, and the temperature of slagging onset. The melting temperatures are found to rise with increase in content of the acidic oxides SiO2 and Al2O3 in the ash residues but to fall with increase in the concentration of Fe2O3, CaO, and MgO.
Journal Title: Coke and Chemistry
Year Published: 2019
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