10.2. Recycled Aluminum

Try these first

1. 1.

   What is one major energy benefit of recycling aluminum?

   Hint

   Think about how much energy is used in recycling versus new extraction.

2. 2.

   List one item that can be recycled into aluminum.

   Hint

   Consider common aluminum products you encounter daily.

3. 3.

   How much energy is saved when recycling aluminum compared to producing new aluminum?

   • 90%
   • 95%
   • 80%

   Hint

   Remember the percentage we discussed regarding energy savings.

4. 4.

   True or False: Recycled aluminum can lose its properties after several cycles of recycling.

   • True
   • False

   Hint

   Recall the discussion about aluminum's recyclability.

5. 5.

   Calculate the energy savings if one ton of aluminum can be recycled instead of produced from scratch. If the production of primary aluminum requires 14,000 kWh, how much energy is saved?

   Hint

   Subtract the energy required for recycling from the energy required for primary production.

6. 6.

   Discuss how the circular economy principle applies to aluminum recycling. What impact does this have on both economics and environment?

   Hint

   Think about the long-term benefits of reusing materials.