Research Article
Industrial versus Laboratory Clinker Processing Using Grinding Aids (Scale Effect)
Table 4
Ec and cement properties after reaching stable conditions in industrial mill grinding.
| | | Control cement | Cement with glycol-based GA at 530 g/ton | Cement with amine-based GA at 460 g/ton |
| | Ec, kWh/ton | 27.91 (0.56%) | 22.92 (1.09%) | 24.39 (0.79%) | | Blaine, cm2/g | 3850 (0.71%) | 3810 (1.48%) | 3865 (0.92%) | | R-90, % | 2.76 (5.52%) | 0.9 (5.55%) | 1.17 (9.89%) | | R-45, % | 16.07 (5.45%) | 13.87 (3.78%) | 14.57 (3.43%) | | 0.946 (0.69%) | 1.052 (0.14%) | 1.041 (0.47%) | | , m | 19.2 (4.42%) | 16.76 (3.28%) | 17.56 (4.77%) | | Water demand, % | 28.7 (0.35%) | 28.5 (1.75%) | 28.8 (0.8%) | | Final setting, min | 220 (2.73%) | 266 (2.86%) | 245 (7.04%) | | 1-day compression, MPa | 14.46 (3.81%) | 12.26 (1.69%) | 14.83 (5.06%) | | 28-day compression, MPa | 52.13 (1.93%) | 54.67 (2.65%) | 56.8 (6.33%) |
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The COV values are given between parentheses.
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