期刊
APPLIED SURFACE SCIENCE
卷 479, 期 -, 页码 303-310出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2019.02.113
关键词
Flotation; Whey protein; Depressant; Copper-activated marmatite
类别
资金
- China Postdoctoral Science Foundation [2018M640964]
- Special Research Project of Shan Xi Education Department [18JK0473]
- Natural Science Project of Shan Xi Education Department [028155386]
- talent science and technology fund of Xi'an University of Architecture and Technology [RC1820]
In this paper, the depressant effect of the whey protein, a chelating agent for copper ions, on the flotation of copper-activated marmatite was investigated by micro-flotation, zeta potential, X-ray photoelectron spectroscopy (XPS) and Fourier transform infrared spectroscopy (FT-IR). The results showed that the formation of a complex through the interaction between the copper ions and the whey protein effectively prevented the activation of marmatite from copper ions, and the flotability of the copper activated marmatite was remarkably decreased. The finding can potentially offer new choices for developing new reagents for depressing the copper-activated marmatite in flotation separation of the polymetallic sulfide ores.
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