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The flotation performance of sodium petroleum sulfonates with different molecular weights was evaluated for flotation of a kyanite ore, by investigating valuable mineral recovery-grade, flotation kinetics and gangue entrainment. The results indicated that the higher molecular weight of agent, the higher final cumulative kyanite recovery was, with the maximum value of 72% being obtained with KY-3 with the molecular weight of 438. The final cumulative kyanite grade initially increased, and then decreased with the molecular weight increasing. In other words, the maximum final cumulative kyanite grade (i.e. 89.05%) was obtained with KY-2 with the molecular weight of 392. The kyanite flotation kinetics followed the first order kinetics well, while the modified flotation rate constant showed a decreasing trend after the initial increase as the molecular weight increased. In addition, the overall entrainment degree decreased with decreasing molecular weight of sodium petroleum sulfonates. The use of KY-2 in kyanite flotation was an attractive option in comparison with KY-1 and KY-3.
Słowa kluczowe
Rocznik
Tom
Strony
956--968
Opis fizyczny
Bibliogr. 52 poz., rys., tab.
Twórcy
autor
- School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan 430070, China
autor
- School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan 430070, China
- Hubei Key Laboratory of Mineral Resources Processing & Environment, Wuhan 430070, China
autor
- School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan 430070, China
- Hubei Key Laboratory of Mineral Resources Processing & Environment, Wuhan 430070, China
autor
- School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan 430070, China
autor
- School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan 430070, China
- Hubei Key Laboratory of Mineral Resources Processing & Environment, Wuhan 430070, China
autor
- School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan 430070, China
Bibliografia
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Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-70317148-7309-44ac-8258-191c777d6698