In waste management, there are different types of waste that can be recycled in different ways. Here are some examples:

• Paper, cardboard and cardboard packaging (PPK)
  By reusing and recycling PPK, the use of virgin wood fibres can be greatly reduced. Paper recycling is done by breaking down the paper fibres using water and chemicals to clean the fibres and then processing them into paper pulp.
• Plastic
  Plastic waste can be reused by recycling it into various products such as films, containers and textiles. Plastic recycling is done by sorting, grinding and melting the plastic waste.
• Metal
  Metals can be reused through recycling. Metals are sorted, cleaned and then reprocessed in a melting process.
• Glass
  Glass can be recycled an infinite number of times without compromising its quality. Glass is recycled by sorting by colour, grinding and melting.
• Organic waste
  Organic waste consists of organic waste that can be converted into biogas through composting or fermentation.
• Hazardous waste
  Hazardous waste such as batteries, drug residues, pesticides and other toxic waste that does not belong in the regular waste disposal system must be treated specially.

It is important to emphasise that thorough sorting of waste increases the recycling rate and reduces the environmental impact. Good waste management involves both the prevention of waste and the reuse and recycling of waste.

In waste management, waste is generally categorised as follows:

1. Household waste: This is waste that is generated in everyday life and is usually disposed of through the public waste disposal system.
2. Commercial waste: This is waste that arises from commercial activities and is usually disposed of by specialised waste disposal companies.
3. Hazardous waste: This is waste such as waste medicines, batteries, pesticides and other toxic waste that requires special treatment as it may contain harmful substances.
4. Hazardous waste: This is waste that poses an increased risk to human health or the environment, such as waste from the chemical industry or radioactive waste.
5. Recycling waste: This is waste that can be processed through recycling, such as paper, plastic, metal and glass.
6. Biodegradable waste: This is organic waste such as garden waste and food scraps that can be converted into biogas through composting or fermentation.

It is important to emphasise that the classification of waste types can vary depending on the region and country.