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| RESEARCH ON A COMBINED INHIBITOR FOR LEAD- SULPHUR SEPARATION UNDER THE CONDITION OF LOW BASICITY |
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Revised:July 25, 2004
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| DOI： |
| KeyWord:Combined inhibitor,Galena,Iron pyrite,Flotation separation |
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| Abstract: |
| In a certain lead-zinc mine,there are many drawbacks because a great deal limes are used for modification of the pulp acidity and the high-basicity technology is used to inhibit zinc and sulphur and to float lead.Through a series of tests,it is confirmed that a combined inhibitor can be successfully used for lead-sulphur separation under the condition of low basicity.The practical examinations have verified that flotation separation between galena and iron pyrite can be effectively achieved by using the combined inhibitor under the condition of pH=9.0.As a result,the grade of lead concentrate is as high as 57.89% and lead recovery is up to 84.76%.The resulting metallurgical performance is to be compared with that resulted from high-basicity technology. |
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