Waste Plastic Pyrolysis Plant

GEMCO Energy is committed to providing customers with efficient and sustainable waste plastic recycling solutions, achieving maximum resource recovery and utilization through advanced technology. Our waste plastic pyrolysis plant is not only a choice for environmental protection, but also one of the innovations that drive sustainable development.

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Waste Plastic Pyrolysis System

GEMCO waste plastic pyrolysis system is an efficient, environmentally friendly, and sustainable solution for recycling waste plastics, with good cost-effectiveness and conversion efficiency. By subjecting plastics to pyrolysis and gasification, they are transformed into fuels and chemical raw materials. Simultaneously, this process prevents harmful substances in waste plastics from entering the environment, thereby safeguarding ecosystems and human health.

waste plastic

Catalytic Pyrolysis of Plastic

GEMCO plastic pyrolysis system employs catalytic pyrolysis to achieve the irreversible thermal chemical cycle of waste plastics under high-temperature anaerobic conditions. This process involves breaking the C-C main chain and propylene chain, intermolecular hydrogen transfer, β-scission, and free radical reactions, resulting in the generation of simple small-molecule substances. Organic compounds decompose into combustible gases, tar, and char, while inorganic compounds remain unchanged.

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Recycle Various Plastic Waste

GEMCO plastic pyrolysis system can recycle and process a variety of waste plastics, including single or mixed plastics such as PP, PE, PS, etc. It eliminates the need for overly intricate pre-treatment of waste plastics, allowing for the decomposition of mixed and even co-mingled plastic waste, including that mixed with municipal solid waste.

the pyrolysis process of plastic

Convert Plastic to Fuel

The pyrolysis gas generated during the pyrolysis process can serve as a raw material for producing other chemical products such as methanol and synthetic ammonia. Additionally, it can be used as fuel for efficient, low-pollution gas-steam combined cycle power generation and heating stations. This process effectively converts the rich carbon and hydrogen elements in waste plastics into fuel energy.

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GEMCO Plastic Pyrolysis Plant Advantages

Efficient Catalytic Pyrolysis Technology

GEMCO plastic pyrolysis plant utilizes catalytic pyrolysis, which involves adding catalysts to the pyrolysis process. This chemical process occurs simultaneously with pyrolysis, resulting in a fast reaction rate, low reaction conditions, and high product value.

Long Service Life

GEMCO waste plastic pyrolysis plant employs specialized composite catalysts and composite dechlorination agents. These components effectively remove acidic gases, such as hydrogen chloride produced during PVC pyrolysis, preventing corrosion of the equipment and extending its service life.

Excellent Energy Utilization Efficiency

The non-condensable combustible gases generated during pyrolysis, after purification, can be used as fuel to heat the pyrolysis reactor. The system incorporates flue gas waste heat recycling technology, promoting energy savings, emission reduction, and enhancing overall energy utilization efficiency.

Environmentally Friendly Solution

Pyrolysis gasification technology can decompose bacteria and chemical pollutants within waste plastics at high temperatures, reducing the emission of harmful substances. Moreover, since the pyrolysis process occurs in an oxygen-free environment, it does not produce harmful gases such as dioxins, aligning with stringent environmental standards.

GEMCO Plastic Pyrolysis Plant Design

plastic pyrolysis plant design

1. Material Feeding System

The feeding system serves as the starting point of the entire production line and is responsible for conveying various types of waste plastics to the pyrolysis reactor. It employs automatic conveying devices to ensure the uniform delivery of waste plastics. Additionally, it can be intelligently controlled based on different plastic types and processing requirements, ensuring the precision and stability of the feeding process.

2. Pyrolysis System

The pyrolysis system employs an externally heated rotary kiln as the pyrolysis reactor, utilizing advanced catalytic pyrolysis methods to achieve the efficient decomposition of waste plastics. Through a thermal chemical cycle, waste plastics are transformed into simple small-molecule substances, maximizing the added value of the products.

3. Oil Separation & Cooling System

The oil separation and cooling system are responsible for cooling and separating the mixed oil generated during the pyrolysis process. Through specialized cooling equipment and separation technology, the mixed oil is broken down into combustible gases, liquid products, and other by-products, achieving efficient resource separation.

4. Combustible Gas Purification System

The combustible gas purification system is designed to handle the non-condensable combustible gases generated during the pyrolysis process. Through purification technology, impurities and harmful substances are removed from the gas, ensuring that the resulting combustible gas can be used as fuel to heat the pyrolysis reactor, achieving the cyclic utilization of energy.

5. Waste Heat Utilization System

The waste heat utilization system employs flue gas waste heat recycling technology to effectively recover the waste heat generated during the pyrolysis process. This system not only enhances energy utilization efficiency but also contributes to reducing overall energy consumption, thereby achieving the goal of energy conservation and emission reduction.

6. Automation Control System

The automation control system serves as the intelligent brain of the entire production line, responsible for centralized monitoring and control of all systems. The entire production line utilizes a PLC (Programmable Logic Controller) intelligent control system to ensure the stability and efficiency of the entire production process.

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GEMCO Plastic Pyrolysis Plant Parameters

Raw MaterialsVarious types of waste plastics, such as PP, PE, PS, and other single or mixed plastics.
End ProductsSynthesis Gas, Pyrolysis Oil, Tar
Processing CapacityUp to 35 t/day
Pyrolysis ReactorExternally heated rotary kiln
Service Life>10 years
Pyrolysis Rate> 99.5%
Power50~60 kW
Noise≤ 85db
Flue Gas EmissionsIn accordance to local standards
plastic wastes

Hazards of Waste Plastics


The production of waste plastics has been increasing in sync with the growing use of plastic, leading to the gradual accumulation of plastic waste in the environment, resulting in what is known as “white pollution.” The global annual production of waste plastics is estimated to be around 3 × 10^8 tons, and it is projected that by 2050, the cumulative amount of plastic waste in the environment could reach 1.20 × 10^10 tons. Simultaneously, waste plastics pose a significant threat to biodiversity and safety. Non-degradable microplastics entering the environment and organisms can lead to pollution and diseases.

By 2050, the amount of plastic waste in the oceans could reach 9.37 × 10^8 tons. Without intervention, over 8.95 × 10^8 tons of marine organisms may be directly affected. In the current stage, facing increasingly tight constraints on resources and the environment, the rational disposal and utilization of waste plastics are crucial for both economic and environmentally sustainable development.

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