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| Optimization Study of Calcium Leaching From Steelmaking Slag |
| XU An-jun1,2,ZHANG Hui-ning1,2,YANG Yi1,2,CUI Jian3,HE Dong-feng1,2,TIAN Nai-yuan1,2 |
1. State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing 100083,China
2. School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing,Beijing 100083, China
3. Ningbo Iron and Steel Co Ltd, Ningbo 315000, Zhejiang, China |
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Abstract Abstract�� In order to study calcium leaching behavior for the steelmaking slag, factors that influence the leaching yield have been optimized. The results show that granularity of the slag, liquid to solid ratio (in short for L/S), temperature and reaction time have a significant effect on the leaching yield. The optimal conditions for leaching are determined as follows: 1) the granularity at 75 ��m, L/S at 100, temperature at 60 ��; 2) the granularity at 75 ��m, L/S at 50, temperature at 40 ��. Finally, the optimal leaching yield under these conditions is about 15%.
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Received: 02 August 2011
Published: 02 May 2012
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Corresponding Authors:
XU An-Jun
E-mail: maple_prince@sohu.com
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2012, Vol. 19 
