用化学试剂和实际电炉粉尘作试样,考察了利用固体碳和CO/CO2进行氧化锌还原的各种影响因素.研究发现,与固-固还原反应相比,气-固还原反应较快,但前者易受温度的影响.在CO/CO2=10、温度控制在1000~1100 ℃时,可保证电炉粉尘中氧化锌的顺利还原与气化分离.本研究为开发利用移动焦炭层的电炉粉尘处理新工艺提供了理论依据.
参考文献
[1] | 日本鉄鋼協会.鉄鋼便覧CD-ROM版[M].東京:丸善,2002 |
[2] | 山口周 .亜鉛のリサイクルプロセス[J].まてりあ,1996,35(12):1298-1302. |
[3] | 即効的革新的エネルギー技術研究開発/省エネルギー型金属ダスト回生技術の開発[A].東京,2003 |
[4] | Itoh S;Azakami T.Recovery of Zinc From Steelmaking Dust by the Iron-Reduction Distillation Process[J].Journal of the Mining and Metallurgical Institute of Japan,1988(11):821-827. |
[5] | J. R. DONALD;C. A. PICKLES .REDUCTION OF ELECTRIC ARC FURNACE DUST WITH SOLID IRON POWDER[J].Canadian Metallurgical Quarterly,1996(3):255-267. |
[6] | Noguchi F;Nakamura T;Ueda Y .Treatment of Iron and Steelmaking Dust by Reducing Pellet Process[J].Journal of the Mining and Metallurgical Institute of Japan,1983,99:215-220. |
[7] | Meng F;Iguchi Y;Kojima I .Reduction,Carburization and Melting Behavior of Iron Ore Pellets Containing Coal or Graphite on Heating[J].Tetsu-to-hagane,2001,87:585-592. |
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