Study on the flotation technology and adsorption mechanism of galena–jamesonite separation
In order to further separate the concentrate containing galena and jamesonite before undergoing hydrometallurgical process, flotation experiment was performed on the basis of mineralogical analysis. And the adsorption mechanisms of collector H on galena and jamesonite were also studied by FT-IR spec...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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Elsevier
2015-01-01
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| Series: | International Journal of Mining Science and Technology |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2095268614001803 |
| _version_ | 1817992971859001344 |
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| author | Wei Sun Haisheng Han Hongbiao Tao Runqing Liu |
| author_facet | Wei Sun Haisheng Han Hongbiao Tao Runqing Liu |
| author_sort | Wei Sun |
| collection | DOAJ |
| description | In order to further separate the concentrate containing galena and jamesonite before undergoing hydrometallurgical process, flotation experiment was performed on the basis of mineralogical analysis. And the adsorption mechanisms of collector H on galena and jamesonite were also studied by FT-IR spectra analysis and molecular dynamics (MD) simulation. The flotation result shows that the efficient separation can be achieved with H as selective collector. Galena concentrated with Pb grade of 72.09% and Pb recovery of 50.96% was obtained, and jamesonite concentrated with Sb grade and recovery of 10.89% and 76.67% respectively was obtained as well. Infrared spectrum analysis indicates that collector H can adsorb on the surface of galena and react with Pb2+ to generate hydrophobic salt, while no evident adsorption phenomenon was observed on the surface of jamesonite. The MD simulation and calculation results demonstrate that adsorption energy of collector H on galena and jamesonite surface is −872.74 kJ/mol and −500.538 kJ/mol, respectively, which means collector H is easier to adsorb on the surface of galena than that of jamesonite. Keywords: Mixed concentration, Galena, Jamesonite, Flotation, Molecular dynamic simulation, Adsorption energy |
| first_indexed | 2024-04-14T01:33:32Z |
| format | Article |
| id | doaj.art-10fb1592e69a4acabed0676118425089 |
| institution | Directory Open Access Journal |
| issn | 2095-2686 |
| language | English |
| last_indexed | 2024-04-14T01:33:32Z |
| publishDate | 2015-01-01 |
| publisher | Elsevier |
| record_format | Article |
| series | International Journal of Mining Science and Technology |
| spelling | doaj.art-10fb1592e69a4acabed06761184250892022-12-22T02:20:03ZengElsevierInternational Journal of Mining Science and Technology2095-26862015-01-012515357Study on the flotation technology and adsorption mechanism of galena–jamesonite separationWei Sun0Haisheng Han1Hongbiao Tao2Runqing Liu3School of Minerals Processing & Bioengineering, Central South University, Changsha 410083, ChinaSchool of Minerals Processing & Bioengineering, Central South University, Changsha 410083, ChinaCorresponding author. Tel.: +86 15111046402.; School of Minerals Processing & Bioengineering, Central South University, Changsha 410083, ChinaSchool of Minerals Processing & Bioengineering, Central South University, Changsha 410083, ChinaIn order to further separate the concentrate containing galena and jamesonite before undergoing hydrometallurgical process, flotation experiment was performed on the basis of mineralogical analysis. And the adsorption mechanisms of collector H on galena and jamesonite were also studied by FT-IR spectra analysis and molecular dynamics (MD) simulation. The flotation result shows that the efficient separation can be achieved with H as selective collector. Galena concentrated with Pb grade of 72.09% and Pb recovery of 50.96% was obtained, and jamesonite concentrated with Sb grade and recovery of 10.89% and 76.67% respectively was obtained as well. Infrared spectrum analysis indicates that collector H can adsorb on the surface of galena and react with Pb2+ to generate hydrophobic salt, while no evident adsorption phenomenon was observed on the surface of jamesonite. The MD simulation and calculation results demonstrate that adsorption energy of collector H on galena and jamesonite surface is −872.74 kJ/mol and −500.538 kJ/mol, respectively, which means collector H is easier to adsorb on the surface of galena than that of jamesonite. Keywords: Mixed concentration, Galena, Jamesonite, Flotation, Molecular dynamic simulation, Adsorption energyhttp://www.sciencedirect.com/science/article/pii/S2095268614001803 |
| spellingShingle | Wei Sun Haisheng Han Hongbiao Tao Runqing Liu Study on the flotation technology and adsorption mechanism of galena–jamesonite separation International Journal of Mining Science and Technology |
| title | Study on the flotation technology and adsorption mechanism of galena–jamesonite separation |
| title_full | Study on the flotation technology and adsorption mechanism of galena–jamesonite separation |
| title_fullStr | Study on the flotation technology and adsorption mechanism of galena–jamesonite separation |
| title_full_unstemmed | Study on the flotation technology and adsorption mechanism of galena–jamesonite separation |
| title_short | Study on the flotation technology and adsorption mechanism of galena–jamesonite separation |
| title_sort | study on the flotation technology and adsorption mechanism of galena jamesonite separation |
| url | http://www.sciencedirect.com/science/article/pii/S2095268614001803 |
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