Industrial versus Laboratory Clinker Processing Using Grinding Aids (Scale Effect)

Table 1

Chemical composition and grading of clinker, pozzolan, and gypsum.

	Clinker	Pozzolan	Gypsum
SiO2, %	20.6	73.2	2.7
Al2O3, %	6.32	15.3	0.53
Fe2O3, %	4.3	4.4	0.39
CaO, %	64.2	2.8	32.5
MgO, %	1.86	2.25	1.5
SO3, %	0.22	0.13	43.1
Percent retained on
9.51 mm	1.2	3	0
4.76 mm	7.3	5.6	0.6
2.38 mm	3.7	6.2	3.5
1.19 mm	26	12.3	16.8
0.595 mm	11.5	13	24.4
0.297 mm	26.5	25.6	22.1
0.149 mm	14	20.5	14.5
0.074 mm	7.8	8.8	16
Pan	2	5	2.1