利用铁浴熔融还原的方法对300系及400系不锈钢粉尘进行还原回收利用,并对还原回收得到的含铬、镍铁水进行了脱磷处理.研究结果表明:Cr、Ni等元素均被高效回收,300系和400系粉尘中Cr的收得率分别达到98.13％和98.39％,Ni的收得率几乎为100％,说明铁浴熔融还原方法适用于不锈钢粉尘的高温回收.当后续工艺对磷含量要求不高时,CaO基脱磷剂亦可达到脱磷工艺的要求.使用CaO基脱磷剂已成为该含铬、镍铁水脱磷的主流,今后可进一步完善.
参考文献
| [1] | 魏芬绒,张延玲,魏文洁,杨小刚.不锈钢粉尘化学组成及其Cr、Ni存在形态[J].过程工程学报,2011(05):786-793. |
| [2] | Y. Hara;N. Ishiwata .Smelting Reduction Process with a Coke Packed Bed for Steelmaking Dust Recycling[J].ISIJ International,2000(3):231-237. |
| [3] | Bauer K H .Recycling of iron and steel works wastes using the Inmetco direct reduction process[J].Metall Plant Technol Int,1990,13(04):74-87. |
| [4] | Hanewald R H;Dombrowski D E .Recovery of metals from steel wastes and production of DRI by the Inmetco process[J].Iron and Steel Engineer,1985,3:62-67. |
| [5] | McClelland J M Metius;G E Recycling .Ferrous and nonferrous waste streams with Fastmelt[J].Minerals Metals & Materials Society,2003,55(08):30-34. |
| [6] | R.C.Eschenbach .Plasma Arc Systems for Waste Treatment and Metal Recovery[J].JOM,1996(6):49-52. |
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