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| Researches on the effects of conditioning atmosphere to the flotation electrochemical properties of pyrite |
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Received:February 28, 2014
Revised:February 28, 2014
Accepted:March 04, 2014
Published Online:June 28, 2015
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| DOI： |
| KeyWord:dissolved oxygen;pyrite;pulp potential(Eh);flotation recovery |
| Author | Institution |
| DOU Zengwen |
State Key Laboratory of Mineral Processing Science and Technology,Beijing General Research Institute of Mining and Metallurgy |
| WEI Mingan |
State Key Laboratory of Mineral Processing Science and Technology,Beijing General Research Institute of Mining and Metallurgy |
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| Abstract: |
| The effect of dissolved oxygen(DO) in the pulp on the Eh and flotation recovery of pyrite were investigated.Five kinds of buffer solutions(pH4.00,pH6.86,pH9.18,pH10.01 and pH10.96) were used and five DO level conditions(0.5mg/L,5.8mg/L,10.0mg/L,
13.7mg/L and 19.5mg/L) were tested.Experimental results show that the Eh is enhanced with DO increased and the influence is smaller under alkaline conditions.In addition,flotation recovery is decreased with DO increased and the change is bigger for alkaline conditions. |
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