Development of physicochemical foundations of the technology of extraction of low-ash graphite from high-carbone rocks of the Jiamusi-Hankaiskaya province

The majority of high technologies which are indicators of the level of development of the industrial production in the advanced countries are inconceivable without graphite use. The bulk of graphite is imported into Russia from abroad. Enormous resources of crystal graphite are concentrated in ore deposits of the Jiamusi-Hankaiskaya province with submeridional strike towards the adjacent territories of the South of the Far East of Russia and the northeast of China. There are features of Dalnerechensk group (with Filinskoye being the largest of them), deposits of of Lesozavodsk group (Tamginskoye, Turgenevskoye) and graphite-ore giant of Liumao Mashan group of the Heilongjian province in the Northern, central and Southern sides of this province respectively. A characteristic feature of the graphite ores of these objects is the abundance of inclusions of quartz, native metals, intermetallic compounds. Using the deposits of the Lesozavodsk group as an example, the possibilities of extracting high-purity graphite from them were investigated...