Metallurgical cokemaking with the improved physicochemical parameters at Avdeevka Coke Plant
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66.02(477) (1)
Tehnologie chimică. Industrii chimice și înrudite (1496)
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ZELENSKII , Oleg, VASIL’EV , Yuriy, SYTNIK , Alexey, DESNA , Natalia, SPIRINA , Elena, GRIGOROV, Andrey. Metallurgical cokemaking with the improved physicochemical parameters at Avdeevka Coke Plant. In: Chemistry Journal of Moldova, 2018, nr. 2(13), pp. 32-37. ISSN 1857-1727. DOI: https://doi.org/10.19261/cjm.2018.516
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Chemistry Journal of Moldova
Numărul 2(13) / 2018 / ISSN 1857-1727 /ISSNe 2345-1688

Metallurgical cokemaking with the improved physicochemical parameters at Avdeevka Coke Plant

DOI: https://doi.org/10.19261/cjm.2018.516
CZU: 66.02(477)

Pag. 32-37

Zelenskii Oleg1, Vasil’ev Yuriy1, Sytnik Alexey1, Desna Natalia1, Spirina Elena1, Grigorov Andrey2
 
1 State Enterprise “Ukrainian State Research Institute for Carbochemistry”,
2 National Technical University “Kharkov Polytechnic Institute”
 
Disponibil în IBN: 24 decembrie 2018


Rezumat

The article presents the results of studies regarding the improvement of the qualitative characteristics of blast furnace coke obtained from modified coal blend in industrial conditions of Avdeevka Coke Plant. Inorganic corundum powders are applied to modify the coal blend, namely electrocorundum (α-Al2O3) and carborundum (α-SiC). It has been found that the introduction of non-caking corundum materials in small concentrations (0.25 wt %) affects the structure of the organic mass of coal as it is assumed that the corundum materials act as centers of crystallization. The influence of a certain type of modifying additive on the quality of coke is significantly dependent on the brand composition of the blend. The use of electrocorundum and carborundum is especially important for blends with reduced caking ability.

Cuvinte-cheie
coal, electrocorundum, carborundum, blend, coke.