Download 4th International Symposium on High-Temperature by Tao Jiang, Jiann-Yang Hwang, Phillip J. Mackey, Onuralp PDF

By Tao Jiang, Jiann-Yang Hwang, Phillip J. Mackey, Onuralp Yucel, Guifeng Zhou

Within the final decade, international metallurgical industries have skilled quick and wealthy development. extreme temperature metallurgical expertise is the spine to help the technical, environmental, and low-priced wishes for the growth.

This symposium presents a degree 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, education of refractory and ceramic fabrics, sintering and synthesis of good debris, remedy and recycling of slag and wastes, and saving of strength and defense of environment.Content:

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Its potential research direction and industrial application are also summarized. Introduction Vanyukov bath smelting furnace and related bath smelting technology were developed by researchers from Soviet Union who devoted comprehensive research on fundamental theory as well as engineering technology [1,5]. Vanyukov process has been applied for large industrial production since the 1970s and it is still one of the major methods in modern pyrometallurgy process. The appearance of Vanyukov double district furnace and joint double furnace in the past ten years, which are applied for copper smelting, is the most valuable advances of the Vanyukov process [7,8,9].

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. : +86 0731 88836791. com Key words: Pyrometallurgy, Bath smelting, Oxygen side-blow Abstract Vanyukov Process has been mainly applied for processing copper and nickel sulfide ore for more than 30 years.

First, gold concentrates are made into small pellets, and then the surface of pellet is covered with solidification reagent forming a certain thickness of the coat layer. The novel method makes sure that the S0 2 and As 2 0 3 produced from inner pellets can be solidified completely. However, calcine could be separated from coat layer efficiently after roasting, so the pretreatment does not have an effect on the subsequent gold leaching. Removal and solidification rates of sulfur and arsenic were investigated detailedly in this research on the premise that slaked lime was taken as solidification reagent.

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