How efficient is pyrolysis?

2025-04-17 / Industry News

The efficiency of the pyrolysis process can be evaluated based on several factors, including yield of desired products, energy consumption, environmental impact, and economic feasibility. Efficiency can vary widely depending on the type of feedstock, reactor design, operating conditions, and post-processing steps. Here's a breakdown of these aspects:

Yield of Desired Products

Pyrolysis Oil : Depending on the feedstock such as waste tire, rubber, plastic, pyrolysis oil yields can range from 30% to 75%. while plastics such as PP, PE, PS may yield up to 90%.

DOING pyrolysis plant

Raw materials' oil yield

Carbon black : Yields for carbon black are generally lower, and can be higher for certain types of waste. In the case of waste tire pyrolysis, the carbon black yield is about 25%-30%.

Syngas : The gas fraction includes combustible gases like methane, hydrogen, and carbon monoxide, and can contribute to the overall energy balance of the process. The syngas yield in waste tire pyrolysis is typically around 10%-15%.

DOING plastic pyrolysis plant

Production rate of pyrolysis plant

Energy Efficiency

Energy Input vs. Output : The energy efficiency is often measured by comparing the energy content of the output products to the energy required to operate the pyrolysis process. This ratio can vary significantly but is typically in the range of 40% to 75%.

Self-Sufficiency : Some advanced pyrolysis plants use the syngas as fuel to power the process, which can improve overall energy efficiency. This self-sufficiency can reduce the reliance on external energy sources and lower operating costs.

Environmental Impact

Emissions : Properly designed pyrolysis systems produce fewer emissions than incineration because they operate in the absence of oxygen, thus avoiding direct combustion. For gas emissions during the pyrolysis process, DOING pyrolysis plant is equipped with environmental protection devices such as tail gas purification, desulfurization and denitrification towers for strict control to ensure that emissions meet standards. Studies have shown that pyrolysis can significantly reduce the emission of harmful pollutants such as dioxins and furans compared to traditional waste treatment methods.

DOING waste tire pyrolysis plant

DOING pyrolysis plant environmental protection devices

Waste Reduction : Pyrolysis can significantly reduce the volume of waste that would otherwise go to landfills, thereby reducing greenhouse gas emissions associated with waste decomposition.

Economic Feasibility

Capital and Operating Costs : Initial investment costs for setting up a pyrolysis plant can be high, but operational costs can be offset by the sale of valuable by-products such as pyrolysis oil and carbon black. The payback period for a pyrolysis plant can vary depending on the scale and feedstock. It may take from half a year to two years.

DOING solid waste pyrolysis plant

Pyrolysis plant setting up cost

Market Demand : The profitability of the pyrolysis process depends on the market demand for its products, which can fluctuate based on regional energy prices and regulations. For example, in regions with high demand for renewable energy and strict waste management regulations, pyrolysis products can have a higher market value.

DOING tire pyrolysis plant

Waste tire pyrolysis plant profit analysis

At present, with the continuous improvement and updating of pyrolysis technology, the efficiency of pyrolysis plant on the market for waste treatment and energy output is getting higher and higher. In particular, the fully continuous pyrolysis plant is a representative of automated, intelligent and efficient waste treatment equipment.

DOING pyrolysis plant

DOING pyrolysis plant

DOING Company, as a leading manufacturer of pyrolysis plant, has been at the forefront of innovation in this field. Our advanced batch/continuous types of pyrolysis plants are designed to maximize efficiency and minimize environmental impact, making them ideal solutions for converting waste into valuable resources. With installations in over 100 countries and regions, DOING Company's pyrolysis plants have demonstrated exceptional performance in waste-to-energy conversion. If you want to learn more, pls click the website: www.wastetireoil.com / www.doinggroup.com.

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