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Phosphorus Partition and Phosphate Capacity of TiO2 Bearing Basic Oxygen Steelmaking Slags

机译:含碱性氧气炼钢渣的TiO 2 的磷分配和磷容量

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The phosphorus partition (L_(P)) and phosphate capacity () were measured for TiO_(2) bearing basic oxygen steelmaking slags in the CaO–SiO_(2)–MgO–Fe_(t)O–(TiO_(2)–MnO–Al_(2)O_(3)–P_(2)O_(5)) system at 1650°C. The effect of slag and metal additions were tested by varying the TiO_(2) content from 0.0 to 18.0 mass% and the [Ti] content from 0.009 to 0.301 mass%. A recently published L_(P) model was used to assess the experimental L_(P) data using the measured slag composition and temperature. Experimental L_(P) data from this study and literature data were used to modify the published model to include titania.Increasing the TiO_(2) concentration of the slag was found to decrease the L_(P) and of basic oxygen steelmaking (BOS) slags. Capacity values in the range of 2.2×10~(16) to 1.5×10~(18) at 1650°C were obtained. An empirical model for determining was developed for BOS slags using a large dataset of published slag and pO_(2) data for relevant slag systems, including published data for titania bearing slags. The predicted from the empirical model was found to agree with the experimentally determined data from this study.
机译:测量了CaO–SiO_(2)–MgO–Fe_(t)O–(TiO_(2)–MnO中含TiO_(2)的碱性氧气炼钢渣的磷分配(L_(P))和磷酸盐容量()。 –Al_(2)O_(3)–P_(2)O_(5))系统在1650°C下。通过将TiO_(2)的含量从0.0更改为18.0质量%,将[Ti]的含量从0.009更改为0.301质量%,来测试炉渣和金属添加的影响。使用最近发布的L_(P)模型,使用测得的炉渣成分和温度评估实验L_(P)数据。本研究的实验性L_(P)数据和文献数据被用于修改已发布的模型以包括二氧化钛,发现增加矿渣中的TiO_(2)浓度可降低L_(P)和碱性氧气炼钢(BOS)。炉渣。在1650°C下获得的电容值为2.2×10〜(16)至1.5×10〜(18)。使用大量已发布的炉渣数据集和有关炉渣系统的pO_(2)数据,包括已发布的含二氧化钛炉渣数据,开发了用于确定BOS炉渣的经验模型。发现经验模型的预测与本研究的实验确定的数据一致。

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