USING BROWN-COAL SEMI-COKE IN METALLURGY: TECHNOLOGICAL AND ECONOMIC ASSESSMENT
We have analyzed the state of production, the properties and the areas of application of semi-coke from domestic low-metamorphism coals of various fields. We have compared the properties (ash-content, content of the fixed carbon, volatile content per on dry ash-free basis, reactivity, specific resistance, chemical composition of ashes, etc.) of brown-coal semi-coke from the Berezovsky deposit of the Kansk-Achinsk basin (KAB), the Talovsky deposit of the Tomsk region, of bituminous brand G coal of Kuzbass, and of DG brand coal of the Cheremkhovsky field of the Irkutsk basin. It is established that production and consumption of brown-coal semi-coke of the Berezovsky deposit of KAB is the most effective in view of its higher properties in comparison with semi-coke from low-metamorphism coals of other fields, a technological capability for large-capacity production, rather low cost, and also considerable need for the coal in many areas of the industry.