Modeling and Optimization of Cement Raw Materials Blending Process

Table 3

Chemical compositions of cement original materials in certain sampling period [1].

Material type	SiO2; (%)	Al2O; (%)	Fe2O; (%)	CaO; (%)	Loss; (%)	Impurity; (%)	Power; (Kwh/ton)	Cost; (¥/ton)
Limestone	4.50	0.99	0.24	45.00	40.56	2.91	12.45	25.00
Sandstone	65.00	5.76	1.61	0.52	2.62	8.90	12.94	15.00
Steel slag	17.50	6.90	29.00	31.49	0.30	13.45	19.89	68.00
Shale	45.31	23.30	6.10	8.63	10.34	6.32	28.60	20.00
Coal ash	59.26	24.55	8.07	3.73	8.32	6.07	28.60	20.00