低温铝电解的物理化学过程

Physical and Chemical Processes of Aluminum Electrolysis Under a Low Temperature

为达到降低铝电解的温度的目的,对低温度下(800～900℃)电解冰晶石-氧化铝体系电解质制取金属铝的物理化学过程进行了实验研究。主要研究内容包括:用透明电解槽观测低温铝电解中进行的物理化学过程 ;低温电解质的组成和物理化学性质;低温电解中的能量消耗;铝在低温电解质中的溶解和电流效率;氧化铝在低温电解质中的溶解;低温电解质中NaF/AlF3摩尔比的检测方法;低温电解的电极过程;惰性电极在低温电解过程中的应用。

In order to lower the temperature for aluminum electrolysis, an experimental study was made on the physical and chemical processes of producing metallic aluminum from the electrolyzed cryolite-alumina electrolyte under a low temperature( 800~900℃). The research involved the following: observation of the physical and chemical processes, using a transparent electrolytic tank, during aluminum electrolysis under a low temperature; compositions of the low temperature electrolyte along with their physical and ch...