Exploratory Study on Aluminum Chloride Electrolysis Using Inert Anode
摘要
Aluminum chloride electrolysisAluminum chloride electrolysis has gradually gained attention due to its ability to achieve CO2CO2 free emissionsEmissions. However, the conventional aluminum chloride electrolysisAluminum chloride electrolysis technology using carbon anodesCarbon anode requires the use of high-purity, low oxygen content anhydrous aluminumAluminum chloride, resulting in high cost and difficulty in industrial applicationIndustrial applications. Due to the higher decomposition voltage of aluminaAlumina under inert anodeInert anode conditions compared to aluminumAluminum chloride, using inert anodesInert anode for aluminum chloride electrolysisAluminum chloride electrolysis was expected to reduced the demand for oxygen content in anhydrous aluminumAluminum chloride, thereby reducing the production cost. MeltingMelting test of chloride electrolyteElectrolyte containing Al2O3, static corrosion test, and 20 to 30A aluminum chloride electrolysisAluminum chloride electrolysis test with cermetCermet inert anodesInert anode were conducted. The results showed that cermetCermet inert anodesInert anode had good corrosion resistance in chloride electrolyteElectrolyte melt, and a certain amount of aluminaAlumina in aluminumAluminum chloride was allowed during the electrolysisElectrolysis process. However, when non-inert anodesInert anode were used, the decomposition reaction of aluminaAlumina occurred preferentially, and severe corrosion and consumption of anodesAnode would be experienced.