Effect of grinding media on the flotation behavior of fluorite using sodium oleate as a collector

• Autorzy: Yao Wei , Li Maolin , Zhang Ming , Qian Gongming , Cui Rui , Ning Jiangfeng

Identyfikatory

DOI

10.37190/ppmp/121946

• Języki publikacji: EN

Abstrakty

EN

Grinding, an essential procedure before flotation, to some extent, determines the flotation behavior of minerals. In this study, the effect of grinding media on the flotation behavior of fluorite using sodium oleate (NaOl) as a collector was investigated via micro-flotation experiments, zeta potential measurements, scanning electron microscopy-energy dispersive spectrometry (SEM-EDS) and X-ray photoelectron spectroscopy (XPS) analyses. The results indicated that, compared with the fluorite particles ground by ceramic media, the ones ground by cast iron media adsorbed less NaOl, resulting in lower flotation recovery. The lower flotation recovery of fluorite particles ground by cast iron media resulted from the coating of the hydrophilic Fe precipitates generated in the grinding, including Fe(0), Fe(OH)₂, and Fe(OH)₃on their surfaces. These Fe precipitates may cover the Ca active sites and increase the hydration membrane which can inhibit the further NaOl adsorption. This research reveals the effect of grinding media on the flotation behavior of fluorite and guides for media selection in disposing of fluorite ore.

Słowa kluczowe

EN

fluorite; grinding media; flotation; Fe precipitates

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Physicochemical Problems of Mineral Processing
• Rocznik: 2020
• Tom: Vol. 56, iss. 3
• Strony: 556--565
• Opis fizyczny: Bibliogr. 48 poz., rys., tab., wykr., wz.

Twórcy

autor

Yao Wei

• School of Resources and Environmental Engineering, Wuhan University of Science and Technology, Wuhan 430081, People’s Republic of China
• Hubei Key Laboratory for Efficient Utilization and Agglomeration of Metallurgic Mineral Resources, Wuhan 430081, People’s Republic of China

autor

Li Maolin

• School of Resources and Environmental Engineering, Wuhan University of Science and Technology, Wuhan 430081, People’s Republic of China
• Hubei Key Laboratory for Efficient Utilization and Agglomeration of Metallurgic Mineral Resources, Wuhan 430081, People’s Republic of China
• Changsha Research Institute of Mining and Metallurgy Co., Ltd. Changsha 410012, People’s Republic of China

autor

Zhang Ming

• School of Resources and Environmental Engineering, Wuhan University of Science and Technology, Wuhan 430081, People’s Republic of China
• Hubei Key Laboratory for Efficient Utilization and Agglomeration of Metallurgic Mineral Resources, Wuhan 430081, People’s Republic of China

autor

Qian Gongming

• School of Resources and Environmental Engineering, Wuhan University of Science and Technology, Wuhan 430081, People’s Republic of China
• Hubei Key Laboratory for Efficient Utilization and Agglomeration of Metallurgic Mineral Resources, Wuhan 430081, People’s Republic of China

autor

Cui Rui

• School of Resources and Environmental Engineering, Wuhan University of Science and Technology, Wuhan 430081, People’s Republic of China
• Hubei Key Laboratory for Efficient Utilization and Agglomeration of Metallurgic Mineral Resources, Wuhan 430081, People’s Republic of China

autor

Ning Jiangfeng

• School of Resources and Environmental Engineering, Wuhan University of Science and Technology, Wuhan 430081, People’s Republic of China
• Hubei Key Laboratory for Efficient Utilization and Agglomeration of Metallurgic Mineral Resources, Wuhan 430081, People’s Republic of China

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Uwagi

This work is financed by National Natural Science Foundation of China (Project No. 51704214 & 51704215).