Abstract
The composition, thermal characteristics, and reactivity of coal from the new Tsaydam Nuur deposit in Mongolia in the processes of pyrolysis, thermal dissolution, and the production of sorbents were determined. It was established that the coal is low-rank brown coal of the lignite type, which is characterized by high activity in degradation reactions. In the process of thermal dissolution in tetralin at 450°C without the use of hydrogen, the yield of products soluble in chloroform was as high as 80%. The yield of primary tar upon semicoking was 13%. Activated carbons with a sorption capacity of 510 mg/g for iodine were obtained by the steam activation of carbonization products.
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