Influences of collector DLZ on chalcopyrite and pyrite flotation
The interaction mechanism of collector DLZ in the flotation process of chalcopyrite and pyrite was investigated through flotation experiments, zeta potential measurements and infrared spectrum analysis. Flotation test results indicate that DLZ is the selective collector of chalcopyrite. Especially,...
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| Published in | Journal of Central South University of Technology. Science & technology of mining and metallurgy Vol. 17; no. 2; pp. 285 - 288 |
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| Main Authors | , , , |
| Format | Journal Article |
| Language | English |
| Published |
Heidelberg
Central South University
01.04.2010
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1005-9784 1993-0666 |
| DOI | 10.1007/s11771-010-0043-1 |
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| Abstract | The interaction mechanism of collector DLZ in the flotation process of chalcopyrite and pyrite was investigated through flotation experiments, zeta potential measurements and infrared spectrum analysis. Flotation test results indicate that DLZ is the selective collector of chalcopyrite. Especially, the recovery of chalcopyrite is higher than 90% in neutral and weak alkaline systems, while the recovery of pyrite is less than 10%. When using CaO as pH regulator, at pH=7–11, the floatability of pyrite is depressed and the recovery is less than 5%. Zeta potential analysis shows that the zeta potential of chalcopyrite decreases more obviously than that of pyrite after interaction with DLZ, confirming that collector DLZ shows selectivity to chalcopyrite and pyrite. And FTIR results reveal that the flotation selectivity of collector DLZ is due to chemical absorption onto chalcopyrite surface and only physical absorption onto pyrite surface. |
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| AbstractList | The interaction mechanism of collector DLZ in the flotation process of chalcopyrite and pyrite was investigated through flotation experiments, zeta potential measurements and infrared spectrum analysis. Flotation test results indicate that DLZ is the selective collector of chalcopyrite. Especially, the recovery of chalcopyrite is higher than 90% in neutral and weak alkaline systems, while the recovery of pyrite is less than 10%. When using CaO as pH regulator, at pH=7–11, the floatability of pyrite is depressed and the recovery is less than 5%. Zeta potential analysis shows that the zeta potential of chalcopyrite decreases more obviously than that of pyrite after interaction with DLZ, confirming that collector DLZ shows selectivity to chalcopyrite and pyrite. And FTIR results reveal that the flotation selectivity of collector DLZ is due to chemical absorption onto chalcopyrite surface and only physical absorption onto pyrite surface. |
| Author | Li, Jian-hua Gu, Guo-hua Hu, Yue-hua Sun, Xiao-jun |
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| CitedBy_id | crossref_primary_10_1007_s11771_015_2779_0 crossref_primary_10_1007_s11771_017_3640_4 crossref_primary_10_1016_j_cej_2022_139994 crossref_primary_10_1016_j_jhazmat_2024_135287 crossref_primary_10_1016_j_jmrt_2014_12_003 crossref_primary_10_1016_j_mineng_2018_09_017 crossref_primary_10_1016_S1003_6326_18_64762_4 |
| Cites_doi | 10.1016/S1003-6326(06)60119-2 10.1016/j.mineng.2008.04.017 10.1016/S0301-7516(01)00043-6 10.1016/j.cis.2008.09.001 10.1016/S0892-6875(97)00147-7 10.1016/j.mineng.2005.12.007 10.1016/S0301-7516(99)00056-3 10.1016/j.mineng.2008.11.005 10.1016/j.minpro.2005.03.002 10.1016/j.mineng.2004.04.003 |
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| Keywords | zeta potential pyrite flotation chalcopyrite collector |
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| Title | Influences of collector DLZ on chalcopyrite and pyrite flotation |
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