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| The application of DX-1 on dephosphorization of ningxiang-type Oolitic hematite |
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Received:April 06, 2012
Revised:October 22, 2012
Accepted:April 10, 2012
Published Online:November 26, 2012
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| DOI： |
| KeyWord:Oolitic -hematite;dephosphorization depressor |
| Author | Institution |
| lisongqing |
Beijing General Research Institute of Mining and Metallurgy |
| weimingan |
Beijing General Research Institute of Mining and Metallurgy |
| zengkewen |
Beijing General Research Institute of Mining and Metallurgy |
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| Abstract: |
| Compared to traditional depressor of hematite,the experimental study of DX-1 on the application of dephosphorization of ningxiang-type high phosphorus Oolitic hematite by anti-flotation has been done.The results of study show that under alkaline condition and the fineness of grinding is 90%(content of -74μm),BK422 is the collector of dephosphorization in anti-flotation,the depression effect of DX-1 is better than starch evidently.The Fe concentrate whose content of phosphorus is 0.37% with 89.64% iron recovery can be obtained under once roughing and twice concentration circuit-opening flow |
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