Vaporization kinetics of Sb2S3 in argon fluid

被引：0
|
作者：
Yang, Y [1 ]
Hua, YX [1 ]
机构：
[1] Kunming Sci & Technol, Dept Met, Kunming 650093, Peoples R China
来源：
TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA | 2003年 / 13卷 / 01期
关键词：
Sb2S3; vaporization; kinetics;
D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The vaporization kinetics of antimony trisulfide in argon fluid was studied with thermogravimetry at 873 - 1173 K. A theoretical model was developed to calculate the overall rate constant and the mass transfer coefficient in gas phase. The experimental results show that the vaporization rate is enhanced with increasing temperature and argon flow-rate. The evaporation rate is mainly controlled by mass transport in the gas phase. The apparent activation energy for the process is found to be 55.54 kJ/mol. It is demonstrated that the mass transfer coefficient in gas phase is decreased with increasing temperature.
引用
收藏
页码：221 / 225
页数：5
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