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Utilization of Steel Slags in the Cement Industry
The production of steel slag, a byproduct of the steel refining keeps increasing rapidly and it reached 90.42 million tons in 2011 in China, but its comprehensive utilization ratio is only 22% and far less than the ratio of 65% in Europe. Main chemical compositions of steel slag are CaO, SiO2, Al2O3, FeO, Fe2O3, MgO, MnO, P2O5 and so on, C3S, C2S, C3MS2, RO phase are its common minerals. Due to its high reactivity and Ferro content, steel slag has high potential utilization as supplementary hydraulic cementitious materials or cement clinker meal in cement industry. A method of multiple phased sintering was presented, it can break through the bottlenecks for the steel slag using in the cement industry, e. g. volume stability and grindability, the carbon emission of cement industry is slashed, it is an effective new approach to massively utilize steel slag in cement industry.
Utilization of Steel Slags in the Cement Industry
The production of steel slag, a byproduct of the steel refining keeps increasing rapidly and it reached 90.42 million tons in 2011 in China, but its comprehensive utilization ratio is only 22% and far less than the ratio of 65% in Europe. Main chemical compositions of steel slag are CaO, SiO2, Al2O3, FeO, Fe2O3, MgO, MnO, P2O5 and so on, C3S, C2S, C3MS2, RO phase are its common minerals. Due to its high reactivity and Ferro content, steel slag has high potential utilization as supplementary hydraulic cementitious materials or cement clinker meal in cement industry. A method of multiple phased sintering was presented, it can break through the bottlenecks for the steel slag using in the cement industry, e. g. volume stability and grindability, the carbon emission of cement industry is slashed, it is an effective new approach to massively utilize steel slag in cement industry.
Utilization of Steel Slags in the Cement Industry
Li, Jiang-feng (author) / Luo, Xiu-Cheng (author) / Sun, Meng-Ke (author) / Shen, Wei-Guo (author) / Cao, Bing (author) / Li, Xin-Ling (author)
2014
5 Seiten
Conference paper
English
Utilization of Steel Slags in the Cement Industry
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