Additives for a hydraulic binder based on a belite-calcium-sulphoaluminate-ferrite clinker
A technology of sulfoaluminate and ferrite, applied in cement production, sustainable waste treatment, solid waste management, etc., can solve the problems of low hydraulic hardness of limestone, achieve the effect of reducing the amount of clinker and high long-term mechanical strength
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[0211] Material:
[0212] Obtain described BCSAF clinker by limestone, kaolin, calcium sulfate, iron oxide, its chemical composition is given in the following table 1, and expressed with respect to the mass percent of total mass:
[0213] Table 1
[0214]
[0215] Preparation of BCSAF clinker:
[0216] Preparation of raw materials: The raw materials were previously milled individually to verify the following properties:
[0217] -0% refus at 200μm
[0218] - Up to 10% oversize at 100 μm.
[0219] Weighing, mixing and homogenization of raw materials: The raw meal according to step a) of the process of the invention is prepared. Weighing is carried out according to the proportions defined in Table 2 below and expressed in mass percent relative to the total mass of the raw meal:
[0220] Table 2
[0221] %
limestone
Kaolin
BCSAF raw meal
61.36
24.80
3.35
5.47
5.02
[0...
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