Abstract
The aim of the work is to determine the optimal temperature regime for firing chromium ore and the consumption of solid carbon, which ensures the recovery of chromium. The process of chromium reduction was investigated on a model elementary system by reducing chromium from ore with solid carbon. The areas of redox conditions in the Cr-C-O system were identified, the boundaries of the reduction, transition and oxidative regions were revealed. The temperature required for the recovery process was determined by calculating the equilibrium compositions of the Cr2O3 + nC system in the temperature range 1100-1900 K at n = 1, 2, 3, 4 and 5 moles.
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