The thermodynamics of the Ni-Co-S ternary system

被引：0
|
作者：
Soltanieh, M [1 ]
Toguri, JM
Sridhar, R
Takasu, T
机构：
[1] Univ Toronto, Dept Met & Mat Sci, Toronto, ON M5S 3E4, Canada
[2] Kyushu Inst Technol, Dept Mat Sci & Engn, Kitakyushu, Fukuoka 8048550, Japan
来源：
METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE | 2000年 / 31卷 / 01期
基金：
加拿大自然科学与工程研究理事会;
关键词：
Cobalt; Material Transaction; Ternary System; Activity Coefficient; Sulfur Pressure;
D O I：
10.1007/s11663-000-0137-5
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The thermodynamic properties of the Ni-Co-S ternary system were determined by equilibrating the system with a known sulfur pressure established by using,a gas mixture of H(2)S/H(2) at 1373, 1473, and 1573 K. The isoactivity contours for Ni and Co were determined by application of the Gibbs-Duhem equation using Schuhmann's method for ternary systems. For this purpose, a computer program was developed to calculate the activities of nickel and cobalt. The cobalt activity coefficients in dilute solutions of cobalt in the nickel-cobalt-sulfur system were evaluated and found to be 0.33, 0.50, and 0.55 at 1373, 1473, and 1573 K, respectively.
引用
收藏
页码：121 / 128
页数：8
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