Optimization of Technological Conditions in Reduction of Lithium by Ferro-silicon Alloy 以硅铁为还原剂制取金属锂的工艺优化
The nitridation mechanism of ferro-silicon alloy and the effect of Fe on it are expounded by thermodynamic analysis. 通过热力学分析,系统地阐述了硅铁氮化合成氮化硅铁的反应机理及Fe在氮化反应过程中的作用。
Measurement of Ni in Ferro-silicon Alloy by Means of Flame Atomic Absorption Method in the Presence of Triton X-100 在TritonΧ-100存在下利用火焰原子吸收法测定硅铁合金中的镍
It can save ferro-silicon and reduce cost to add cheap low-silicon iron in molten steel of oxygen top-blown converter to substitute ferro-silicon alloy in full or part to make deoxidation alloying. 在氧气顶吹转炉钢水中加入廉价的低硅铁全部或部分替代硅铁合金进行脱氧合金化,可以节约硅铁合金,降低炼钢成本。
This method measures Ni in ferro-silicon alloy with a linear range of 0. 2-0. 4 μ g/ ml, and detecting limit of 0. 04 μ g/ ml is suitable for measuring samples in large batch. 该法测定硅铁合金中镍的线性范围为0.2~0.4μg/ml。检出限为0.04μg/ml。
Four technological factors such as coke size, basicity, addition of coke and smelting time were discussed in the carbothermic reduction of red mud obtaining ferro-silicon alloy and calcium aluminate. 具体的研究内容包括:一、研究了碳热还原赤泥提取硅铁合金和合成铝酸钙的工艺因素,主要探讨焦炭粒度、原料二元碱度、焦炭配量和冶炼时间四个因素。
Three technological factors such as addition of aluminum ash, basicity and smelting time were discussed in the aluminothermic reduction ( using aluminum ash) of red mud obtaining ferro-silicon alloy and calcium aluminate. 研究了铝热(铝灰)还原赤泥提取硅铁合金和合成铝酸钙的工艺因素,主要探讨了铝灰配量、原料碱度和冶炼时间三个因素。