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首页> 外文期刊>ISIJ international >Improving the Desulphurization in COREX-3000 Process by the Optimization of Chemical Compositions of Slag
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Improving the Desulphurization in COREX-3000 Process by the Optimization of Chemical Compositions of Slag

机译:优化炉渣化学成分改善COREX-3000工艺中的脱硫

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To improve the desulfurization in the COREX-3000 process, several aspects are studied and practiced. The work documented in the present paper focuses on the effects of chemical compositions of slag, such as CaO/SiO_(2), MgO, MgO/Al_(2)O_(3) and MnO, on desulfurization. Theoretical calculations of sulfide capacity and viscosity of slag and diffusion coefficient of S~(2?) in the slag are given to study the effects of slag chemical compositions on the thermodynamics and dynamics of desulfurization. After that, experiments are carried out to verify the theoretical analyses and give the appropriate ranges of these four parameters. The suggested suitable ranges of CaO/SiO_(2), MgO content, MgO/Al_(2)O_(3) and MnO content for COREX-3000 are 1.20–1.30, 10 wt%–12 wt%, 0.80–0.90 and 0.4 wt%–0.7 wt%, respectively.
机译:为了改善COREX-3000工艺中的脱硫效果,研究和实践了几个方面。本文的工作重点是炉渣的化学成分,如CaO / SiO_(2),MgO,MgO / Al_(2)O_(3)和MnO对脱硫的影响。给出了炉渣的硫化物容量和粘度以及炉渣中S〜(2α)的扩散系数的理论计算,以研究炉渣化学成分对脱硫热力学和动力学的影响。之后,进行实验以验证理论分析并给出这四个参数的适当范围。对于COREX-3000,CaO / SiO_(2),MgO含量,MgO / Al_(2)O_(3)和MnO的建议合适范围是1.20–1.30、10 wt%–12 wt%,0.80–0.90和0.4 wt%–0.7 wt%分别。

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