Calculation of the reduction rate of copper, nickel, and cobalt from oxide melts by carbon(II) oxide

被引：0

作者：

Lyamkin, S. A. ^{[1
]}

Selivanov, E. N. ^{[1
]}

Semenova, N. S. ^{[2
]}

机构：

[1] Russian Acad Sci, Inst Met, Ural Branch, Ekaterinburg 620016, Russia

[2] Ural Fed Univ, Ekaterinburg 620002, Russia

来源：

RUSSIAN JOURNAL OF NON-FERROUS METALS | 2014年 / 55卷 / 03期

基金：

俄罗斯基础研究基金会;

关键词：

rate calculation; reduction; oxide melt; metal cations; carbon monoxide;

D O I：

10.3103/S1067821214030092

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

The kinetic equation for the calculation of the reduction rate, which takes into account the physicochemical properties of contacting phases, is derived under the assumption of the electrochemical nature of interaction between the reducing gas (CO) and the oxide melt. Satisfactory agreement of calculated and experimental data is shown by the example of the interaction of the oxide melt of the CaO-SiO2-Al2O3 system containing up to 6.0 wt % Me (n) O (m) (NiO, CoO, Cu2O) blown by the gas phase with partial pressure P (CO) = (0.4-5.0) x 10(2) MPa at T = 1623 K.

引用

页码：225 / 228

页数：4

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