🔥 Use Case Insight: Stepwise Transition to Higher AF Substitution in Cement Rotary Kilns
- Maximilian Kaul
- Jul 30
- 1 min read

How can cement producers balance emission limits, process stability, and increasing TSR through higher AF Substitution in Cement Rotary Kilns?
In our latest use case, we showcase how a data-driven, step-by-step upgrade strategy enabled a 3500 tpd kiln line to reach up to 50% thermal substitution using RDF - without compromising clinker quality or operational reliability.
📌 What’s inside:
✅ A three-phase roadmap from operational tuning to mechanical retrofits
✅ Key technical challenges—and how they were solved
✅ Why CO control, pressure drop, and fuel quality are critical
✅ How CFD-based engineering drives better decisions
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