首页> 外文会议>EPD congress;TMS annual meeting exhibition >DISTRIBUTION OF P_2O_5 BETWEEN SOLID SOLUTION AND LIQUID PHASES IN CaO-SiO_2-Fe_2O_3 SYSTEM CONTAINING Na_2O OR B_2O_3
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DISTRIBUTION OF P_2O_5 BETWEEN SOLID SOLUTION AND LIQUID PHASES IN CaO-SiO_2-Fe_2O_3 SYSTEM CONTAINING Na_2O OR B_2O_3

机译:含Na_2O或B_2O_3的CaO-SiO_2-Fe_2O_3体系中固溶体和液相的P_2O_5分布

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The innovative development of multiphase slag in hot-metal treatment has attracted considerable attention due to the reduction of CaO consumption and minimal environmental emission. In order to improve the efficiency of dephosphorization and to reutilize the waste-slag as an alternative source of phosphate ores, it is important to increase the distribution ratio of P_2O_5 between the solid solution (2CaO·SiO_2-3CaO·P2O_5) and liquid slag. An investigation was carried out to study the effects of Na_2O and B_2O_3 on the distribution ratio of P_2O_5, the results indicated that the increase of Na_2O would enhance the distribution ratio of P_2O_5 with the formation of solid solution (2CaO·SiO_2-Na_2O·2CaO·P2O_5), while B_2O_3 has the opposite function, and changes the morphology of solid solution. The study would provide an instructive way for the design of multiphase slag and re-utilization of waste-slag.
机译:由于减少了CaO的消耗和最小的环境排放,铁水处理中多相炉渣的创新发展引起了广泛的关注。为了提高脱磷效率并重新利用废渣作为磷矿石的替代来源,重要的是提高固溶体(2CaO·SiO_2-3CaO·P2O_5)和液态渣之间的P_2O_5分配比例。研究了Na_2O和B_2O_3对P_2O_5分布比的影响,结果表明Na_2O的增加会随着固溶体(2CaO·SiO_2-Na_2O·2CaO· P_2O_5),而B_2O_3具有相反的功能,并改变固溶体的形态。该研究将为多相炉渣的设计和废渣的再利用提供指导。

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