Effect and mechanism of siderite on reverse flotation of hematite
| العنوان: | Effect and mechanism of siderite on reverse flotation of hematite |
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| المؤلفون: | Ximei Luo, Qian-yu Sun, Wanzhong Yin, Jin Yao, Dong Li |
| المصدر: | International Journal of Minerals, Metallurgy, and Materials. 23:373-379 |
| بيانات النشر: | Springer Science and Business Media LLC, 2016. |
| سنة النشر: | 2016 |
| مصطلحات موضوعية: | Mechanical Engineering, Metals and Alloys, Mineralogy, 02 engineering and technology, Hematite, 021001 nanoscience & nanotechnology, 020501 mining & metallurgy, Siderite, chemistry.chemical_compound, Adsorption, 0205 materials engineering, chemistry, Chemical engineering, Geochemistry and Petrology, Mechanics of Materials, visual_art, Materials Chemistry, visual_art.visual_art_medium, DLVO theory, Particle size, Fourier transform infrared spectroscopy, 0210 nano-technology, Reverse flotation, Quartz |
| الوصف: | The effects of siderite on reverse flotation of hematite were investigated using micro flotation, adsorption tests, and Fourier transform infrared spectroscopy. The flotation results show that interactions between siderite and quartz are the main reasons that siderite significantly influences the floatability. The interactions are attributed to dissolved siderite species and fine siderite particles. The interaction due to the dissolved species is, however, dominant. Derjaguin-Landau-Verwey-Overbeek (DLVO) theoretical calculations reveal that adhesion on quartz increases when the siderite particle size decreases and that fine particles partly influence quartz floatability. Chemical solution calculations indicate that the dissolved species of siderite might convert the surface of active quartz to CaCO3 precipitates that can be depressed by starch. The theoretical calculations are in good agreement with the results of adsorption tests and FTIR spectroscopy and explain the reasons why siderite significantly influences reverse flotation of hematite. |
| تدمد: | 1869-103X 1674-4799 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_________::fe853125ad79c3a26303cb6edd3cbda7 https://doi.org/10.1007/s12613-016-1246-8 |
| حقوق: | CLOSED |
| رقم الأكسشن: | edsair.doi...........fe853125ad79c3a26303cb6edd3cbda7 |
| قاعدة البيانات: | OpenAIRE |
| تدمد: | 1869103X 16744799 |
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