Recycling Materials

Question 1

1) Explain the advantages of recycling

Answer 1

1) Recycling conserves resources, energy, and water while lowering greenhouse gas emissions

Question 2

1) How are metal recycled?

Answer 2

1) Step 1: Collection.
Step 2: Separation.
Step 3: Shredding.
Step 4: Melting.
Step 5: Purification.
Step 6: Shaping.
Step 7: Delivery.

Question 3

1) How is glass recycled?

Answer 3

1) The glass goes through a pre-treatment process which removes any paper or plastic using blown air. Any metal objects are removed with magnets. Next, it is sorted by colour and washed to remove any further impurities. Then it’s crushed, melted and moulded into new products such as bottles and jars.

Question 4

1) How is plastic recycled?

Answer 4

1) It is a two-stage process: Sorting is mainly done automatically with a manual sort to ensure all contaminants have been removed. Once sorted and cleaned, plastic can either be shredded into flakes or melt processed to form pellets before finally being moulded into new products.

Question 5

1) How is cardboard recycled?

Answer 5

1) The recycling processes can vary depending on the recycling plant and the paper factory, but the basic steps remain the same: sorting, shredding, pulping, filtering, drying, pressing and rolling.