固态硫酸锂一水合物脱水过程的非等温动力学

Non-isothermal Kinetics of the Dehydration Process for Lithium Sulfate Monohydrate in Solid State

采用TG DTG技术研究了固态硫酸锂一水合物脱水过程 ,运用Malek等提出的热分析动力学数据处理方法 ,确定了脱水过程的动力学机理模式f(α)为n(1-α) [-ln(1-α) ]1 - 1 n或为αm(1-α) n,并求得相应动力学参数。

The dehydration process of Li 2SO 4·H 2O and its kinetics has been studied by thermogravimetry and derivative thermogravimetry. By Malek method, n(1-α )[-ln( 1-α)] 1-1/n or α m(1-α) n was defined as the kinetic models f(α ) of dehydration process. Furthermore, the corresponding kinetic parameters were obtained.