| 配碳还原回收铜渣中铁、铜的影响因素探讨 |
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| 引用本文： | 赵凯,程相利,齐渊洪,甄常亮,师学峰.配碳还原回收铜渣中铁、铜的影响因素探讨[J].环境工程,2012,30(2):76-78,113. |
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| 作者姓名： | 赵凯 程相利 齐渊洪 甄常亮 师学峰 |
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| 作者单位： | 钢铁研究总院先进钢铁流程及材料国家重点实验室,北京,100081 |
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| 摘 要： | 采用配碳还原和熔融造渣方法回收铜渣中铁和铜,研究了CaO、Al2O3、CaF2、Na2CO3成分对铁和铜回收效果的影响。在碳氧比1.5和1 450℃条件下,CaO加入量约30%时,铁和铜的回收率较高,分别是93.85%和92.73%。实验表明:添加Al2O3、Na2CO3均降低铁和铜的回收效果,使渣中含铁量增加;CaF2添加量小于2%时,有利于铜渣中铁的回收,CaF2添加量较大时不利于铁和铜的回收。
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| 关 键 词： | 铜渣 碳 铁 铜 回收 |
STUDY ON IMPACT FACTORS IN RECOVERING IRON AND COPPER FROM COPPER SLAG BY CARBON REDUCTION |
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| Zhao Kai Cheng Xiangli Qi Yuanhong Zhen Changliang Shi Xuefeng.STUDY ON IMPACT FACTORS IN RECOVERING IRON AND COPPER FROM COPPER SLAG BY CARBON REDUCTION[J].Environmental Engineering,2012,30(2):76-78,113. |
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| Authors: | Zhao Kai Cheng Xiangli Qi Yuanhong Zhen Changliang Shi Xuefeng |
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| Institution: | Zhao Kai Cheng Xiangli Qi Yuanhong Zhen Changliang Shi Xuefeng(State Key Laboratory of Advanced Steel Process and Products,Central Iron & Steel Research Institute,Beijing 100081,China) |
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| Abstract: | The impact of CaO,Al2O3,CaF2 and Na2CO3 on recovery of iron and copper from copper slag by carbon reduction was studied.Under the condition that C/O is 1.5,temperature is 1 450 ℃ and the addition of CaO is 30% the recovery rates of iron and copper are 93.85% and 92.73% respectively.The experiment result indicates that the addition of Al2O3 and Na2CO3 can reduce the recovery rate of iron and copper and increase the content of iron in molten-slag.Otherwise CaF2 is helpful for recovery iron from copper slag when addition is less than 2%,and is harmful for recovery iron and copper when CaF2 addition is more than that. |
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| Keywords: | copper slag carbon iron copper recovering |
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