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The results of studies of the extraction of Mo, V, and Ni compounds contained in the semicoking product of tar hydroconversion residue by an acid leaching method are presented. The aqueous solutions of HNO3, H2SO4, and H2O2 were used as reagents for the leaching. Conditions for the extraction of 80–90% metals from the semicoke were determined. The possibility of decreasing the sulfur content of the...
The composition and thermal and technological properties of coal from the Bayantig deposit in Mongolia in a semicoking process were determined. It was established that the coal is vitrinite-type long-flame coal, and it gives an increased yield of liquid tar in the semicoking process. The composition and properties of semicoke and liquid tar as target semicoking products were characterized. Possible...
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