Why is Pyrolysis Considered the Ultimate Treatment for Scrap Tires? What Advantages Does It Offer?

Pyrolysis technology is regarded as the "ultimate treatment method" for scrap tires because it nearly completely converts the organic components of tires into high-value resources while minimizing environmental pollution.  

Through pyrolysis, scrap tires are transformed into pyrolysis oil, recovered carbon black, steel wires, and combustible gas. Tire pyrolysis oil has versatile applications: it can serve as industrial fuel oil or be further refined into diesel and chemical feedstocks. The carbon black acts as a reinforcing agent in new tire manufacturing, rubber/plastic products, or as a fuel additive. Steel wires are recycled into steelmaking or processed into cut wire shots for industrial descaling. The combustible gas generated powers the pyrolysis process itself, enabling energy self-sufficiency and reducing external energy consumption.  

I. From "Black Pollution" to Green Resources

The core environmental value of pyrolysis lies in its decomposition of scrap tires in oxygen-free or oxygen-deficient environments, fundamentally avoiding the generation of harmful substances like dioxins and polycyclic aromatic hydrocarbons associated with direct incineration. As a leader in scrap tire pyrolysis technology, Niutech has developed a continuous tire pyrolysis system that achieves nearly 100% resource utilization, producing high-value pyrolysis oil, carbon black, and steel wires. This technology has been successfully implemented at scale, offering an ultimate solution for comprehensive scrap tire recycling and establishing a closed-loop industrial chain.  

- Complete Pollution Elimination: Scrap tires, which would otherwise take centuries to degrade naturally, pose risks such as mosquito breeding, disease transmission, and fire hazards. Pyrolysis technology resolves these "black pollution" issues.  

- Resource Circulation: Through pyrolysis, scrap tires are no longer garbage but valuable resources. For instance, pyrolysis oil and carbon black can re-enter industrial supply chains, forming a green closed loop of "from tires, back to tires," reducing the need for virgin petroleum extraction.  

- Supporting "Dual Carbon" Goals: Compared to producing virgin materials or using traditional treatment methods, pyrolysis significantly reduces carbon emissions. Studies show that processing 1 ton of scrap tires via pyrolysis can reduce CO₂ emissions by approximately 1.1 tons.  

II. Commercial Potential of "Waste-to-Wealth"  

Pyrolysis not only protects the environment but also demonstrates considerable economic benefits:  

- Direct Economic Value: All products derived from scrap tire pyrolysis hold market value. Companies can enhance profitability by improving the quality of recovered carbon black to command higher prices.  

- Advancing the Circular Economy: Pyrolysis is a key enabler of "zero-waste cities" and circular economy systems, transitioning from the traditional linear model of "resources-products-waste" to a closed-loop model of "resources-products-renewable resources."  

Pyrolysis technology is considered the ultimate treatment method because it unifies environmental, economic, and social benefits.  

As a pioneer in scrap tire pyrolysis, Niutech has exported its advanced technology to dozens of countries worldwide, including Germany, Denmark, the UK, Brazil, and South Korea, showcasing China’s green circular technologies globally and contributing "Chinese wisdom" to solid waste pollution worldwide.