The recycling of masterbatches is an important environmental protection measure that helps reduce waste generation and environmental pollution. The following are several main methods for recycling masterbatches, combined with the information in the reference articles:

1. Chemical recycling :

• Useful components such as dyes in imported masterbatches are separated by chemical methods for recycling. This method can extract key components in masterbatches and realize resource reuse.

2. Mechanical recycling method :

• The discarded masterbatch is physically processed by crushing, screening, etc. so that it can be reused. This method is suitable for the use of recycled masterbatch as a renewable resource, such as as a filler or colorant for plastic products.

3. Process recovery method :

• In the production process, a small amount of waste masterbatch is added to make it available again. This method can achieve the reuse of waste masterbatch without changing the original production process and reduce production costs.

4. Regenerated granules preparation :

• Some companies use advanced recycling technology to convert waste masterbatches into recycled pellets. These recycled pellets have similar properties to the original masterbatches and can be used in the production of plastic products. This recycling method not only reduces the generation of waste, but also reduces dependence on original resources.

5. Sorting Recycling :

• Masterbatches are classified and recycled according to their material, color and other characteristics to improve recycling efficiency and resource utilization. For example, masterbatches of the same material and color can be collected together for easy subsequent processing and reuse.

6. Strengthening environmental supervision :

• Government departments should strengthen environmental supervision of enterprises producing and using masterbatches, formulate strict emission standards and treatment requirements. At the same time, encourage enterprises to adopt environmental protection technologies and equipment, improve resource utilization efficiency and reduce waste generation.

7. Promote the concept of circular economy :

• Promote the concept of circular economy throughout society, encourage enterprises and individuals to adopt environmentally friendly and energy-saving production and lifestyles. Promote the recycling of waste such as masterbatches by raising public awareness and participation in environmental protection.

In summary, the recycling of masterbatches requires the use of a variety of methods and technical means. Reusing waste masterbatches through chemical, mechanical, and process methods can not only reduce environmental pollution and resource waste, but also reduce production costs and promote the development of a circular economy. At the same time, strengthening environmental supervision and promoting the concept of a circular economy are also important measures to achieve the recycling of masterbatches.