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Six samples of G coal characterized by different vitrinite reflection coefficient (R
= 0.64–0.74%) are investigated. With increase in R
, the plastic-layer thickness y increases from 7 to 17 mm, the free-swelling index SI from 0.5 to 3.5, and the Roga index RI from 1 to 21. The...
The components of the coal batch supplied to Kuznetskaya enrichment facility and OUOU EZSMK are studied experimentally, along with the other concentrates used in coking at AO Evraz ZSMK and other Kuznets Basin concentrates. On the basis of models of the concentrates available at Kuznetskaya...
Attention focuses on the structure and electrical conductivity of carbon materials obtained by the carbonization of coal pitch in the presence of additives (nanotubes, graphite foam, and graphite), at temperatures up to 900°C. In some cases, ultrasonic mixing is used on introducing the additives...
The introduction of wastewater purification of nitrification–denitrification type in coke production at Visakhapatnam Steel Plant involves reconstruction of the existing biochemical system and the construction of additional units. That permits compliance with the standards for most pollutants....
The basic principles for the reconstruction of sectional cooling towers are considered on the basis of current information technology. In reconstruction, a group of cooling microtowers is installed on a special reference grid. The air parameters that must be monitored so as to permit automatic...
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