| 摘要 |
The slag preparation is composed of 30-60wt% of metal aluminum(Al), 20-50wt% of calcium carbonate(CaCO3), below 10wt% of aluminum oxide(Al2O3), less than 10wt% of silicon dioxide(SiO2), below 0.2wt% of nitrogen(N), below 0.1wt% of sodium and potassium(Na+K), below 0.3wt% of chlorine and fluorine(Cl+F) and a small dose of indispensable impurities containing 5-30mm particle size .
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