Lead refining is the process of purifying lead to remove impurities and enhance its quality. This is typically done after lead is extracted from ore, where it may contain various unwanted materials. The refining process often involves techniques such as smelting and electrolysis, which help separate pure lead from contaminants. The refined lead can then be used in various applications, including batteries, radiation shielding, and construction materials. Ensuring high purity levels is essential for these uses, as impurities can affect the performance and safety of the final products.