By Tao Jiang, Jiann-Yang Hwang, Phillip J. Mackey, Onuralp Yucel, Guifeng Zhou
Within the final decade, worldwide metallurgical industries have skilled quick and wealthy development. hot temperature metallurgical know-how is the spine to aid the technical, environmental, and affordable wishes for the growth.
This symposium offers a level to introduce the developments and advancements of recent extreme temperature metallurgical applied sciences and their purposes to the components of processing of minerals, extraction of metals, practise of refractory and ceramic fabrics, sintering and synthesis of good debris, therapy and recycling of slag and wastes, and saving of strength and safeguard of environment.Content:
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Additional info for 4th International Symposium on High-Temperature Metallurgical Processing
It make the speed of backward reaction increase, declined the decomposition rate. The ideal material thickness is 12mm. The Influence of Soaking Time The effects of soaking time on the production cycle were studied. The production cycle is smaller, the production is more. The soaking temperature was set to 330°C. And make sure the material thickness as 12mm. Then changed the soaking time and measured the decomposition rate. The results were shown in Figure 6. 32 Figure 6 Soaking time vs. decomposition rate with thickness 12mm at 330 °C The Figure 6 showed the relationship between the soaking time and decomposition rate with thickness 12mm at 330°C.
Heating, reduction, melting and slag separation completes within 9 minutes. ITmk3 technology makes no harmful impact on environment since the process does not require coking and sintering plants. References 1. I. Kobayashi, Y. Tanigaki and A. Uragami, «A new process to produce iron directly from fine ore and coal», Iron and Steelmaker, 2001, no. 9: 19-22. 2. L. Zhilo, Formation and Characteristics of Blast Furnace Slag (Moscow: Metallurgy, 1974), 120. 48 4th International Symposium on High-Temperature Metallurgical Processing Edited by: Tao Jiang, Jiann-YangHwang, Phillip J.
9-10 is the appearance and phase analysis of carbonation precipitation product. The chemical constitutions and whiteness results are shown in Table II. 1 The results show that the main phase in product is Al(OH)3. The chemical constitutions and whiteness are suit for the standard of high-whiteness Al(OH)3 in China. Conclusions A novel aluminothermic reduction lithium process was developed, which used Li2CC>3, AI2O3 and CaO as raw materials, and aluminum powder as reductant. Metal lithium and aluminum hydroxide as by-product were obtained in the process.