Process of preparing portland cement with waste ceramic tile polishing material
2006
The present invention discloses process of preparing Portland cement with waste ceramic tile polishing material. Portland cement clinker in 77-84 wt%, setting retarder gypsum in 3-6 wt% and mixed material in 10-20 wt% are mixed and ball milled in a ball mill to form Portland cement of specific surface area 350 sq m/kg, where the mixed material comprising waste ceramic tile polishing material of 3-6 wt%, mineral slag of 4-8 wt% and flyash of 3-6 wt%. Using waste ceramic tile polishing material as partial material for Portland cement can dispose waste, save resource and raise production efficiency.
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