II. What processing steps does waste paper go through during recycling?
Waste paper goes through the following recycling steps:
- Separation of waste paper
It is important to separate waste paper from other waste streams such as plastic or glass. This can be facilitated by providing special collection containers or recycling bins. Clearly labelling and educating the public about the correct separation of waste paper is crucial.
- Removal of contamination
Before recycling, waste paper should be freed as far as possible from contaminants such as adhesives, metal staples or plastic film. These contaminants can impair the quality of the recycled paper and disrupt the recycling process.
- Sorting and processing
After collection, the waste paper is taken to a recycling plant for sorting. There, different types of paper are separated from each other to ensure that the recycled paper fulfils the desired quality standards. The waste paper is then shredded and processed into a fibre pulp mixture.
- De-inking
If the waste paper is to be used to produce white paper, de-inking is required. This involves removing the printing inks and inks from the paper fibres. This process can be carried out using various methods such as chemical treatment or flotation.
- Paper production
The resulting fibre pulp is processed into new paper products. The recycling process can go through several cycles, with the paper losing quality after each cycle. Finally, the recycled paper can be further processed into various paper products such as newspapers, cardboard, packaging or toilet paper.
Recycling waste paper is a crucial step towards promoting a sustainable and resource-conserving society. The correct collection, sorting and processing of waste paper can save valuable resources, reduce environmental damage and mitigate the effects of climate change. It is important to raise awareness of the importance of waste paper recycling and promote the right recycling practices to create a better future for our planet.