Tech Team · Kintek Solution

Most types of plastics, excluding PVC and PET, can be used for pyrolysis to produce oil. The process involves breaking down larger plastic molecules into smaller molecules of oil, gas, and carbon using heat.

Types of Plastics Suitable for Pyrolysis:

1. Pure PP, PE, PS: These plastics have an oil yield of over 90%, making them highly suitable for pyrolysis.
2. ABS: This type of plastic has an oil yield of more than 40%.
3. Pure white plastic sheets: They yield about 70% oil.
4. Instant noodles packing bags: These yield about 40% oil.
5. Plastic logo: This yields about 20% oil.
6. Paper-mill waste: Wet waste yields 15%-20% oil, while dry waste yields 50% oil.
7. Plastic household garbage: This yields between 30%-50% oil.
8. Pure plastic cable sheath: This yields about 80% oil.
9. Pure plastic bags: These yield about 30% oil.

Pyrolysis Process: The pyrolysis process involves several steps:

1. Shredding: The plastic waste is shredded into smaller pieces.
2. Drying: The shredded plastic is dried to remove any moisture.
3. Preprocessing: Non-plastic materials are separated from the plastic waste.
4. Pyrolysis: The plastic is heated in the absence of oxygen to break down into smaller molecules.
5. Oil Distillation & Purification: The resulting oil is distilled and purified.
6. Storage and Dispatch: The purified oil is stored and prepared for dispatch.

Key Performance Indicators (KPIs) for Plastic Pyrolysis Technology:

1. Safety: Ensuring the safety of equipment, humans, and the process itself is crucial due to the high temperatures involved.
2. Efficiency: The process should efficiently convert plastic waste into usable oil and other by-products.
3. Environmental Impact: The technology should minimize environmental impact by effectively handling emissions and waste.

Cold Plasma Pyrolysis: This is an advanced method that allows for more efficient recovery of ethylene, a key component in many plastics. It can recover 55 times more ethylene than normal pyrolysis and convert 24% of plastic weight into valuable products.

In summary, pyrolysis is a viable method for recycling various types of plastic waste, particularly those that do not contain chlorine or oxygen, such as PVC and PET. The process is efficient and can significantly contribute to waste reduction and resource recovery.

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