利用直流脉冲电场下产生的非平衡等离子态的氢对金属氧化物进行了还原实验,并和相应条件下分子态的氢还原金属氧化物的实验结果进行了对比,在体系压力为1600Pa、温度为455℃下,反应时间为10～15min,结果分子态的氢不能还原Fe2O3,而等离子态的氢能还原Fe2O3得到金属Fe.随着还原时间的增长,等离子态氢还原氧化物得到的金属层厚度增加.这表明等离子态氢能强化氢还原金属氧化物的能力.
参考文献
| [1] | 李正邦.钢铁冶金前沿技术[M].北京:冶金工业出版社,1997:97-27. |
| [2] | Kitamura T;Shibata K;Takeda K.In Thermal Plasma Applications in Materical and Metallurgical Processing[M].N. E1-Kaddah; Warrendale:TMS,1992:209-219. |
| [3] | 吴国元;戴永年 .等离子体在冶金中的应用[J].昆明理工大学学报,1998,23(03):108-115. |
| [4] | Kitamura T;Shibata K;Takeda K .In-flight Reduction of Fe2O3, Cr2O3, Ti02 and A12O3 by Ar-H2 and Ar-CH2 Plasma[J].ISIJ International,1993,33(11):1150-1158. |
| [5] | Bullard D E;Lynch D C .Reduction of Ilmenite in a Nonequilibrium Hydrogen Plasma[J].Metallurgical and Materials Transactions B:Process Metallurgy and Materials Processing Science,1997,28(06):517-519. |
| [6] | Bullard D E;Lynch D C .Reduction of Titanium Dioxide in a Nonequilibrium Hydrogen Plasma[J].Metallurgical and Materials Transactions B:Process Metallurgy and Materials Processing Science,1997,28(06):1069-1080. |
| [7] | F Brecelj;M Mozetic .Reduction of metal oxide thin layers by hydrogen plasma[J].VACUUM,1990,40(01):177-178. |
| [8] | Mozetic M;Zalar;Drobinc h .Reduction of thin oxide thin layer on Fe60Ni40 subsrtates in hydrogen plasma[J].Thin Solid Films,1999,343-344:101-104. |
| [9] | 陈杰溶.低温等离子体及其应用[M].北京:科学出版社,2001 |
| [10] | Polak L S;Lebedev Y A.Plasma Chemistry[M].Cambridge:Cambridge International Science Publishing,1998:212-254. |
| [11] | Roine A.Outokumpu HSC Chemistry for Windows:Chemical Reaction and Equilibrium Software with Extensive Thermochemical Database[M].Pori,Finland:Outokumpu,1999 |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%