摘要
在450～600℃范围内研究了Sb_2S_3与Sb_2O_4两固相的交互反应动力学,此固-固相反应通过气态中间产物而发生,假设它为两气-固反应的叠加即: 并设Sb_2S_3(2)在Sb_2O_3(3)产物层内部的扩散为总速率的控制环节,推导了动力学方程。反应速率随温度的升高、Sb_2O_4粒度的减小而增加。
The kinetics of interaction between Sb_2S_3 and Sb_2O_4particles was studied in the temperature range of 450 to 600℃·This interaction is thought to be a solid-solid reaction process through gaseous medium,and presumed to be based on two reactions as follows:Sb_2S_(3((?)))→Sb_2S_(3(g))9Sb_2O_4+Sb_2S_(3(g))= 10Sb_2O_(3(g))+3SO_(2(g))The latter reaction is regarded as the rate determining step. The rate increases with increasing of the temperature and decreasing of the size of Sb_2O_4 particles.
出处
《有色金属》
CSCD
1993年第1期56-60,共5页
Nonferrous Metals
