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

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

ISBN-10: 1118605691

ISBN-13: 9781118605691

ISBN-10: 1118663446

ISBN-13: 9781118663448

Within the final decade, worldwide metallurgical industries have skilled speedy and wealthy development. extreme temperature metallurgical expertise is the spine to help the technical, environmental, and within your means 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, guidance of refractory and ceramic fabrics, sintering and synthesis of good debris, remedy and recycling of slag and wastes, and saving of strength and security of environment.Content:

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Additionally, the process yields slags with lower copper solubility as compared to the conventional technology. Introduction Based on the positive results from LSO™ investigations [1], further lab investigations into common sulfides and metal oxides were performed. It was discovered that chalcopyrite (CuFeS2) is oxidized with copper (II) oxide. 5% of sulfur was removed as SO2, while a significantly improved energy balance was observed. This paper intends to analyze both the conventional flash smelting process and the newly developed Looping Sulfide Oxidation™ process, comparing heat and material balance results.

Owe to the temperature has hysteretic nature; therefore, the heating process was put into two steps. The first step was the temperature from 0°C to 180°C, the heating rate was 30°C/min, which could not affect the result. And then, the second step is the temperature from 180°C to 360°C, the heating rate were 10°C/min, 12°C/min, 14°C/min, 16°C/min, and 18°C/min, respectively. The effect of heating rate on the result was showed in Table II. Table II The Effect of Decomposition on Heating Rate 10°C/min 12°C/min 14°C/min 16°C/min 18°C/min Eutectic N N N N Y Black N N Y Y Y *N—inexistence, Y—existence From the Table II, it can be found that it can only produce the black impurity in the product, if the heating rate exceeded 14°C/min.

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. Based on the understanding of the Vanyukov Process, researchers from China introduced the technology into the areas of lead, antimony and bismuth extraction by changing the furnace structure and technical flow, which greatly extended the application area and raised the processing efficiency, thus developed the oxygen-rich side-blow bath smelting (OSBS) technology in 2000.

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4th International Symposium on High-Temperature Metallurgical Processing by Tao Jiang, Jiann-Yang Hwang, Phillip J. Mackey, Onuralp Yucel, Guifeng Zhou

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