Pyrolysis: Conversion of Waste to Renewable Energy

In the current context, where sustainability and energy efficiency are global priorities, pyrolysis technology is a revolutionary solution for the conversion of waste into renewable energy.

What is pyrolysis?

pyrolysis is a thermochemical process By which organic materials are decomposed in the absence of oxygen, thus producing syngas (a mixture of hydrogen, carbon monoxide, methane and other gases), coal and oils. This process is essential for the recovery of solid waste and biomass, turning it into products with high energy value, thus reducing the environmental impact and contributing to the circular economy.

The advantages of pyrolysis technology

High energy efficiency

Pyrolysis allows the recovery of energy from waste, transforming it into Syngas with a high caloric value (11 MJ/Nm3), usable in the generation of electricity and thermal energy.

Reducing emissions

Pyrolysis technology includes advanced gas cleaning systems, ensuring compliance with strict emission standards and reducing air pollution.

Versatility in the variety of waste 

The ability to process a wide range of materials, including municipal and industrial waste, makes the WEX 3000 a flexible solution and adaptable to diverse needs.

Durability and reliability

The robust design and advanced control systems ensure reliable operation with low maintenance costs and extended life.

Technical specifications of the WEX 3000 unit

Unit Capacity and Design

• Processing capacity: 3 tons per hour.
• Power system: Includes a conveyor system that transfers the material from the storage hopper to the pyrolysis furnace.
• Pyrolysis Reactor: Rotary furnace with a jacket, operating at temperatures up to 800°C, where the material is decomposed into syngas and coal.
• Cooling system: Coolers to reduce the temperature of solids and gases before handling and use.

Gas treatments

• thermal cracking: Increasing the gas temperature to break down unwanted compounds (850-1100°C).
• Scrub and wash: Removal of soluble particles and contaminants from the gas through a gas flushing and cooling system.
• Gas reheating: Adjusting the gas temperature to conform to the specifications of the combustion motor.

Energy generation

The clean syngas from pyrolysis is used to power internal combustion engines, producing electrical and thermal energy. The system includes:

• Generating engines: SGE-56SL engines, specific for Syngas, each with a capacity of 800 kW.
• Heat recovery: Heat recovery systems from exhaust gases and engine cooling circuit, contributing to overall energy efficiency.

Main components of the pyrolysis plant

Fuel system

• Power Hopper: A capacity of about 500 kg, continuously feeding the pyrolysis furnace.
• pyrolysis oven: WEX 3000 model, with operating temperature of 650°C (+/- 100°C depending on the type of material).
• Solid Product Cooling System: Use cooling fans to reduce the coal temperature to 30°C above the ambient temperature.

Cleaning and conditioning gas

• Thermal Cracking and Recovery: Treats high-temperature gases to remove unwanted compounds.
• Gas flushing and scrub system: Reduces temperature and removes soluble particles and contaminants.
• Gas reheating: Adjusts the gas temperature to conform to the engine specifications.

Wastewater treatment

• Tank and pump system: Includes main tanks with integrated cooling and high and low pressure pumps.
• PH filtering and adjustment systems: Uses dissolved air filters, hydrocarbon filters, media filters and active carbon to treat wastewater.

Nitrogen generation system and air compressor

• Air Compressor: Size to cover the air consumption of the entire installation, including for pneumatic valves and thermocouples.
• Nitrogen generation system: Used for start and stop purge, as well as infrasound pulse and emergency purge.

Conclusion 

The WEX 3000 pyrolysis unit is an advanced solution for the transformation of waste into renewable energy, offering significant benefits from the point of view of energy efficiency and environmental protection. By integrating state-of-the-art technologies, the WEX 3000 sets new energy standards, demonstrating that sustainability and innovation can go hand in hand.

For more details about pyrolysis technology and how it can benefit your business but also Waste recycling lines Any type do not hesitate to contact us.