Enhanced effect of fine magnetite on the flotation performance of fine hematite in sodium oleate system

• Autorzy: Pei Bin , Luo Ximei , Yang Wen , Wei Dayong , Li Chao , Wang Yunfan

Identyfikatory

DOI

10.37190/ppmp/149673

• Języki publikacji: EN

Abstrakty

EN

In this work, the effect of magnetite with different particle sizes on the flotation performance of both coarse and fine hematite particles were investigated by using sodium oleate as a collector. The results showed that the magnetite particles with different particle sizes showed a negative effect on hematite (-106+45 μm) recovery, but the addition of magnetite with the same particle sizes as hematite during the direct flotation of -45 μm hematite was beneficial to improve the recovery of micro-fine hematite and the Fe grade of concentrate. The finer the magnetite particle was, the more obvious the agglomeration effect of hematite was. Therefore, the beneficial effect could be achieved by adjusting the particle sizes of particles. Moreover, sodium oleate was beneficial to promote the agglomeration of micro-fine magnetite and hematite. The results from the microscopic analysis, laser particle size analysis, and EDLVO calculation proved that there was an effective aggregation between fine magnetite and fine hematite particles, which increased the apparent size of hematite particles and the probability of the mineral particles adhering to bubbles, thus improving the hematite recovery.

Słowa kluczowe

EN

magnetite; hematite; flotation; magnetic aggregation

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Physicochemical Problems of Mineral Processing
• Rocznik: 2022
• Tom: Vol. 58, iss. 4
• Strony: art. no. 149673
• Opis fizyczny: Bibliogr. 38 poz., rys., wykr.

Twórcy

autor

Pei Bin

• Faculty of Land and Resource Engineering, Kunming University of Science and Technology, Kunming 650093, China
• State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization, Kunming University of Science and Technology, Kunming 650093, China

autor

Luo Ximei

• Faculty of Land and Resource Engineering, Kunming University of Science and Technology, Kunming 650093, China
• State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization, Kunming University of Science and Technology, Kunming 650093, China

autor

Yang Wen

• Faculty of Land and Resource Engineering, Kunming University of Science and Technology, Kunming 650093, China

autor

Wei Dayong

• Faculty of Land and Resource Engineering, Kunming University of Science and Technology, Kunming 650093, China
• State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization, Kunming University of Science and Technology, Kunming 650093, China

autor

Li Chao

• Faculty of Land and Resource Engineering, Kunming University of Science and Technology, Kunming 650093, China

autor

Wang Yunfan

• State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization, Kunming University of Science and Technology, Kunming 650093, China
• Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, China

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Uwagi

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).