By Tao Jiang, Jiann-Yang Hwang, Phillip J. Mackey, Onuralp Yucel, Guifeng Zhou
Within the final decade, worldwide metallurgical industries have skilled quickly and filthy rich progress. extreme temperature metallurgical know-how is the spine to help the technical, environmental, and cost effective wishes for the growth.
This symposium offers a level to introduce the developments and advancements of latest hot temperature metallurgical applied sciences and their functions to the parts of processing of minerals, extraction of metals, guidance of refractory and ceramic fabrics, sintering and synthesis of excellent debris, remedy and recycling of slag and wastes, and saving of power and safeguard of environment.Content:
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Extra info for 4th International Symposium on High-Temperature Metallurgical Processing
Looping of this material in this system at temperature and at high processing speed enhances the overall energy balance of the process. The flue gases are sent to an air/air heat exchanger, where the reaction air for the flash furnace is preheated to maximize the thermal efficiency. Due to the vast difference in volumes of these two streams, the temperature of the flue gas does not drop significantly in heating the reaction air. The flue gas is then sent to a boiler where a significant portion of the energy is captured as high pressure steam.
Conclusion The Looping Sulfide Oxidation™ process shows great potential in copper smelting to achieve the desired anode product, quality, and yields with significant reduction in the net energy consumption of these processes. The LSO™ technologies can be carried out in readily available 43 conventional equipment typically operated within the metals industry. Since the process steps within LSO™ are discrete, single-purposed unit operations there is an inherent simplification within each step that allows for the potential of real process control advantages.
The heating rate of the second step was 12°C/min. The soaking temperature was set to 330 °C. Keeping 4 minutes in this condition and then measuring the decomposition rate. The results were shown in Figure 5. Figure 5 Thickness vs. decomposition ratio with soaking time for 4min at 330 °C In the Figure 5, it can be found that the decomposition rate was declined with the increase of material thickness. 24%. The sample was not still to be decomposed completely. 87%. The tendency of fall was bigger than that of the start between 14mm and 18mm.