Eco-efficient cement based on activated coal washing rejects with low content of kaolinite

• Thermal treatment on the clay of coal washery rejects (CWR) looking for their activation. • Despite low kaolinite content in coal waste (14%), it was possible to obtain an eco-pozzolan. • Behavior of this waste as SCMs is similar to other conventional pozzolans. • Binary cements obtained comply wi...
Ausführliche Beschreibung

• Thermal treatment on the clay of coal washery rejects (CWR) looking for their activation. • Despite low kaolinite content in coal waste (14%), it was possible to obtain an eco-pozzolan. • Behavior of this waste as SCMs is similar to other conventional pozzolans. • Binary cements obtained comply with specifications of Type II/A cements. • Proportional relationship of compressive strength and fixed lime with amorphous content was established. Ausführliche Beschreibung