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10 secrets of clinker First Rule Reducing raw mix rejects lowers burning temperature and grinding energy. This is particularly the

Cement: Agglomeration and weathering Agglomeration and weathering Effects Agglomeration / weathering Factors and recommendations Effects Poor flow of cement (in

Cement: Strength development Strength development Influencing factors: Let’s brainstorm … Strength development –Potential parameters o W/C o cement fineness o

Cement: Setting Definition – Measurement Influencing parameters Stiffening Setting Definition – Measurement Cement setting definition Setting opassage from liquid or plastic

Optimum sulphate content –Why? o to obtain a good workability o silicates normal hydration o better strength –The optimal quantity

Cement: hydration mechanisms   Hydration mechanisms Necessity of sulfate Hydration disorders Hydration energy   Hydration mechanisms Hydration of a clinker

Cement: The added components What’s cement? How does cement react? Added components What’s cement? Cement definition EN 197-1:2000 Hydraulic binder

clinker Grindability   Grinding … is necessary o to create surface area so that a good chemical reaction occurs (Blaine)

Interaction Raw mix Process quality of clinker Interaction raw mix chemical composition Raw mix chemical composition Example of raw mix chemical composition Burning