| XU Chuan-da,FANG Ying,LI Zhen,JI Tao.Effect of Mechanical Activation on Extracting Silica from Fly Ash[J],(4):77-79 |
| Effect of Mechanical Activation on Extracting Silica from Fly Ash |
| Received:March 21, 2012 Revised:August 20, 2012 |
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| DOI： |
| KeyWord:fly ash mechanical activation high energy ball milling silica |
| Author | Institution |
| XU Chuan-da |
College of Material Science and Engineering, Nanjing University of Technology, Nanjing , China |
| FANG Ying |
College of Material Science and Engineering, Nanjing University of Technology, Nanjing , China |
| LI Zhen |
College of Material Science and Engineering, Nanjing University of Technology, Nanjing , China |
| JI Tao |
College of Material Science and Engineering, Nanjing University of Technology, Nanjing , China |
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| Abstract: |
| High energy ball mill was performed on fly ash through planetary by different grinding time. Particle size of fly ash was measured. The results showed that the powder began to reunite after 10 hours of grinding. Two different grinding methods were used on fly ash, and silica was extracted. The purity of the products was measured. The results showed that the activation effect of the mix grinding was better than separate grinding; After grinding more than 10 hours, the increment of the activation by increasing the time was slow, and the efficiency of mechanical activation decreased. |
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