Abstract
The process of progressive and continuous thermosolvolysis of coking coal vitrites was carried out. The properties and structure of the extracts and the extraction residue as well as the influence of the degree of extraction on the properties of the resultant group components were examined. An increase in aromatic character of the extracts with increasing degree of extraction is observed, and the same increase of aromatic character can be seen for the extracts obtained in the same extraction time with an increase of the degree of coalification of the parent vitrites. The changes in the coal structure after extraction of thermobitumens depend on the degree of coalification of the parent vitrites, they are largest for the gascoal vitrite.
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