A Review on Pyroprocessing Techniques for Selected Wastes Used for Blended Cement Production Applications

Table 2

Thermal energy consumption for different kinds of kilns (GJ/t).

Kiln type	BREF, [17]	CSI, [12]	Cembureau, [10]
Long dry	<5.0	4.49	3.6–4.5
Long wet	5.0–6.4	6.34	5.0–7.5
Lepol semidry/semiwet	3.3–5.4	3.85	Semidry: 3.2–3.6; Semiwet: 3.6–4.5
2-stage PC with the dryer (wet)			4.5–50
3-4 stage SP and PC with the dryer (semiwet)			3.4–3.6