What is advantages and disadvantages of castner kellner process?

The Castner-Kellner process is a method for producing sodium metal through the electrolysis of molten sodium hydroxide. One advantage of this process is its ability to produce high-purity sodium metal. However, a disadvantage is that it requires a significant amount of energy to operate due to the high temperatures needed for the electrolysis process. Additionally, the process can be complex and expensive to set up and maintain.