What are some recycling methods for aluminum?

Recycling aluminum can be done through several methods, including mechanical recycling, which involves melting and reprocessing aluminum without altering its chemical properties. This is the most common method due to its efficiency and cost-effectiveness. Another method is chemical recycling, where aluminum is treated with chemicals to break it down into its constituent elements, which can then be repurposed. Additionally, aluminum can be recycled through a process called hydrometallurgical recycling, which uses aqueous solutions to extract aluminum from waste. Finally, sorting and collection play a crucial role in ensuring that aluminum waste is directed to appropriate recycling facilities where these methods can be applied.