By Jiann-Yang Hwang, Tao Jiang, Mark William Kennedy, Onuralp Yücel, P. Chris Pistorius, Varadarajan Seshadri, Baojun Zhao, Dean Gregurek, Ender Keskinkilic
This assortment positive aspects contributions masking the advances and advancements of latest high-temperature metallurgical applied sciences and their functions to the parts of: processing of minerals; extraction of metals; education of metal, refractory, and ceramic fabrics; remedy and recycling of slag and wastes; conservation of power; and environmental defense. the amount could have a vast influence at the teachers and execs serving the metallurgical industries worldwide through delivering them with finished insurance of a large choice of topics.
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Additional info for 8th International Symposium on High-Temperature Metallurgical Processing
Can. Metall. Q. 15(3), 193–200 (1976) 4. S. Sundar Murti, V. Seshadri, Kinetics of reduction of synthetic chromite with carbon. Trans. Iron Steel Inst. Jpn. 22(12), 925–933 (1982) 5. R. Wu, C. H. S. 6−x)O4 spinel solid solution. Material Science and Environmental Engineering, ed. by Ping Chen (Wuhan, China: International Conference on Material Science and Environmental Engineering, 2015), pp. 109–113 Effects of Hydrogen-Enriched Reduction on Metallurgical Properties of Iron-Bearing Burdens Under BF Operation with COG Injection Hongtao Wang, Mansheng Chu, Chuanguang Bi, Zhenggen Liu and Wenbin Dai Abstract Coke oven gas (COG) injection is considered as one of feasible measures to reduce carbon emission of BF.
5 Reduction swelling behaviors of pellets under COG injection Pore Slag Pore Iron oxide Slag Slag-io Case 1-pellet center Slag-io Slag Iron oxide Iron oxide Case 3-pellet center Pore Iron Slag Iron oxide Platy structure Flocculent structure Pore Case 1-pellet surface Case 3-pellet surface Fig. 6 SEM photos of pellets after reduction with different COG injection rate is enhanced with Fe particle generated in pellets, which result in the decrease of pellets swelling. Additionally, the H2 content in reducing gas is increased with COG injection rate increasing, which contributes to the increase of pellets reduction ratio and the decrease of pellets swelling.
But from a practical point of view, it is easier to remove extra iron that will form a distinct product phase than to remove M2O3 phases within the spinel solid solution. In addition to facilitate the melting, having excess iron is useful to compensate for the losses due to splashing. All meltings except one were successful. The chromite synthesis (x = 0, y = 0) carried out at 70% power failed and only a small fraction of the reactants melted. This sample evidenced the minimum requirements in terms of power input.
8th International Symposium on High-Temperature Metallurgical Processing by Jiann-Yang Hwang, Tao Jiang, Mark William Kennedy, Onuralp Yücel, P. Chris Pistorius, Varadarajan Seshadri, Baojun Zhao, Dean Gregurek, Ender Keskinkilic