Abstract
The main performance characteristics of coal from the Saikhan-Ovoo deposit in Mongolia were determined. This coal corresponds to a high metamorphic rank, which corresponds to lean coal transitional to anthracite. It is characterized by high yield of semicoke, high calorific value, and low sulfur content. Iron compounds (60.2%) predominate in the mineral matter of coal with a small participation of silicon, aluminum, calcium, and other metal compounds. The concentrations of the toxic metals Sr, Mn, Zn, and Cu are no higher than the maximum permissible concentrations. The supramolecular structure of the organic matter of coal mainly consists of closely packed graphite-like clusters containing on average 6.7 aromatic layers. A small fraction of carbon (about 20%) is structured as γ-components at the periphery of clusters. Active carbon was obtained by thermal steam activation. Its structural characteristics and sorption capacity for iodine and methylene blue were determined.
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