By Jiann-Yang Hwang, Tao Jiang, Chris Pistorius, Gerardo Alvear, Onuralp Yucel, Liyuan Cai, Baojun Zhao, Dean Gregurek, Varadarajan Seshadri
The know-how, operation, strength, environmental, research, and destiny improvement of the metallurgical industries using extreme temperature tactics are coated within the booklet. The thoughts at the extraction and creation of ferrous and nonferrous metals, alloys, and refractory and ceramic fabrics, the heating methods and effort administration, and the remedy and utilizations of the wastes and by-products are the themes of specified pursuits. This e-book makes a speciality of the subsequent matters: •High potency New Metallurgical approach and know-how primary study of Metallurgical technique •Alloys and fabrics coaching •Direct relief and Smelting relief •Coking, New power and surroundings •Utilization of reliable Slag/Wastes and intricate Ores •Characterization of hot temperature Metallurgical Process
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Additional resources for 7th International Symposium on High-Temperature Metallurgical Processing
The overall experimental precision was within ± 5%. Results Reduction Kinetics in Temperature Range 1200-1350 oC The total iron fraction of the samples was determined using ICP-OES method and the reduction degree was calculated for each experiment. Some experiments were performed with conditions to mimic the complete reforming of natural gas yielding H2:CO ratio = 2:1 (in molar ratio). These experiments were performed using CO and H2 gas mixture with no nitrogen. Complete reduction was achieved at temperatures as low as 1200 ºC and 3 s particles residence time (these results are not shown here).
Nitrogen gas was ﬂowed at low ﬂow (200 mL/min) through the furnace throughout the course of the experiment. To remove the sample from the solidiﬁed salt, the crucible was placed in a large bath of boiling water and mixed by magnetic stirring until the salt was fully dissolved. During this time, unreacted carbon could also be skimmed oﬀ the surface, when applicable. The sample was then ﬁltered oﬀ for analysis. Optionally, if there was any material attached to the magnetic stir bar, this could also be kept for analysis.
4ml 100material-1 BJ, the briquetting pressure is 40MPa. The optimum condition of for 1h in nitrogen atmosphere. carbonization is carbonized at 700 . 43 MPa Acknowledgements The authors gratefully acknowledge the financial supports from Baosteel Corporation of China as well as from post-doctoral workstation of Central South University. References . Eberle, A. et al, “Start-up and Operating Results of POSCO COREX Plant,” Iron Steel Eng, 1998, 75, (1), 25–28. . “Coals and Coal Requirements for the COREX Process,” Fuel and Energy Abstracts, Volume 38, Issue 4, July 1997, Page 255.