A kind of composite mineral powder and its preparation method and application
A composite mineral and micropowder technology, applied in the field of materials, can solve the problems of restricting the application of phosphoric acid slag, the unstable content of chromium and phosphorus pentoxide, and the difficulty of directly adding it, so as to achieve the effects of low cost, high strength and low production cost
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Embodiment 1
[0025] Embodiment 1: A composite mineral fine powder, comprising the following raw materials in parts by weight: 50 parts of phosphoric acid slag, 25 parts of carbonate, 5 parts of neutralizing agent, and 5 parts of phosphogypsum. Its activity index can reach 75%.
Embodiment 2
[0026] Embodiment 2: A composite mineral fine powder, comprising the following raw materials in parts by weight: 80 parts of phosphoric acid slag, 10 parts of carbonate, 5 parts of neutralizing agent, and 5 parts of phosphogypsum. Its activity index can reach 75%.
Embodiment 3
[0027] Embodiment 3: A composite mineral fine powder, comprising the following raw materials in parts by weight: 75 parts of phosphoric acid slag, 17 parts of carbonate, 3 parts of neutralizing agent, and 5 parts of anhydrite. Its activity index can reach 96%.
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