Knowledge What Type of Plastic is Used in Pyrolysis? (4 Key Types and Their Benefits)
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Tech Team · Kintek Solution

Updated 1 month ago

What Type of Plastic is Used in Pyrolysis? (4 Key Types and Their Benefits)

Pyrolysis is a process that can utilize a variety of plastic types, excluding PVC and PET, for the production of oil.

The suitability of different plastics for pyrolysis is largely determined by their chemical composition and the efficiency of their conversion into oil.

4 Key Types of Plastics Suitable for Pyrolysis and Their Benefits

What Type of Plastic is Used in Pyrolysis? (4 Key Types and Their Benefits)

Types of Plastics Suitable for Pyrolysis

  1. PP, PE, PS: These plastics have high oil yields, often exceeding 90%, making them highly suitable for pyrolysis.

  2. ABS: This type of plastic has an oil yield of over 40%, which is still significant for pyrolysis processes.

  3. Mixed and Contaminated Plastics: Post-consumer plastics, municipal solid waste segregated plastics, reject of mechanical recycling, multi-layer packaging, and mixed PET/PVC contaminated plastics can also be used in pyrolysis, although their oil yields may vary.

Process of Pyrolysis

  1. Preprocessing: Before pyrolysis, plastic waste must be shredded, dried, and preprocessed to remove non-plastic materials.

  2. Pyrolysis Reaction: The actual pyrolysis involves heating the plastic in an oxygen-free environment to break down its molecular structure into smaller hydrocarbons, which can be collected as oil, gas, or solid carbon.

  3. Post-Pyrolysis Processing: The resulting pyrolysis oil undergoes distillation and purification to improve its quality and usability.

Special Considerations

  1. Moisture Content: The feedstock for pyrolysis should ideally have a moisture content around 10%. Higher moisture content requires additional drying steps.

  2. Particle Size: Feedstock particles should be small (up to 2 mm) for efficient heat transfer during pyrolysis.

  3. Catalytic Pyrolysis: The use of catalysts can enhance the efficiency of the pyrolysis process, particularly in the conversion of certain types of plastics.

Alternative Technologies

  1. Cold Plasma Pyrolysis: This advanced method can process plastics more efficiently, recovering higher amounts of ethylene and converting a significant portion of the plastic weight into valuable products.

Continue Exploring, Consult Our Experts

Discover how KINTEK SOLUTION's advanced pyrolysis solutions can transform plastic waste into valuable resources.

With our expertise in processing a wide range of plastics, excluding PVC and PET, we offer efficient conversion into oil and other useful byproducts.

Experience the benefits of our cutting-edge technologies and elevate your waste management and recycling processes today.

Contact KINTEK SOLUTION and take the first step towards a sustainable future!

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