Transforming End-of-Life Tires into High-Calorific TDF
Did You Know? Black Pollution Is Devouring Our Land.
Take China as an example: over 200 million end-of-life tires are generated annually, weighing as much as 3 million tons of steel! If these "black pollutants" are landfilled, they take 200 years to decompose naturally.
When stockpiled outdoors, tire fires release highly toxic substances like benzene and dioxins, contaminating air and groundwater.
But now, Harden Machinery’s TDF (Tire-Derived Fuel) production technology is rewriting history, transforming waste tires into industrial "green coal"!
1. What Is TDF?
TDF, or Tire-Derived Fuel, is a granular fuel produced by shredding, cleaning, and screening waste tires.
✅ High Calorific Value: 25-30 MJ/kg—10%-20% higher than coal. 1 ton of TDF = 1.2 tons of thermal coal.
✅ Low Impurities: Steel wires and fibers are removed via magnetic separation. Ash content <5%, with 70% lower SO₂ emissions than coal.
✅ Wide Applications: Directly replaces coal in cement kilns and power plant boilers.
2. How Are Waste Tires Converted into TDF?
Harden Machinery’s TDF production system adopts a "primary shredding → fine shredding → screening" closed-loop process, stripping tires into 5-10 cm rubber chips.
With Harden Machinery’s patented "shearing + tearing" technology, over-shredding (and heat loss) is avoided, ensuring >99% size compliance.
Case Study: South Africa’s Tire Mountains Turned into "Green Treasure"
A South African environmental company, tackling massive tire stockpiles, adopted Harden Machinery’s advanced processing solutions to convert waste tires into profitable TDF.
"The TDF fuel derived from waste tires achieves 7,500 kcal/kg—20% higher than coal,"* said the company. " Harden Machinery’s system ensures uniform particle size and stable combustion performance, perfectly meeting our needs in cement kilns."
Harden Machinery’s TDF technology not only solves tire waste challenges but also reshapes the future of industrial fuel.
