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The Adsorption of Cu Species onto Pyrite Surface and Its Effect on Pyrite Flotation
Joint Authors
Yang, Bo
Tong, Xiong
Deng, Zhengbin
Lv, Xiangwen
Source
Issue
Vol. 2016, Issue 2016 (31 Dec. 2016), pp.1-7, 7 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2016-01-17
Country of Publication
Egypt
No. of Pages
7
Main Subjects
Abstract EN
The adsorption of Cu species onto pyrite surface and its effect on flotation were investigated by using microflotation tests, first-principle calculations, and XPS surface analysis.
The results indicated that the flotation of pyrite appears to be activated with CuSO4 only at alkaline pH, while being depressed at acidic and neutral pH.
The adsorption of copper ions on pyrite surface was pH-dependent, and the adsorption magnitude of copper ions at alkaline pH is higher than that at acidic and neutral pH due to a strong interaction between O atom in Cu(OH)2 and surface Fe atom except for the interaction between Cu atom and surface S atom.
At acidic and neutral pH, there is only an interaction between Cu atom and surface S atom.
The adsorption was relatively weak, and more copper ions in solution precipitated the collector and depressed the flotation of pyrite.
XPS analysis confirmed that more copper ionic species (Cu(I) and Cu(II)) are adsorbed on the pyrite surface at alkaline pH than that at acidic and neutral pH.
American Psychological Association (APA)
Yang, Bo& Tong, Xiong& Deng, Zhengbin& Lv, Xiangwen. 2016. The Adsorption of Cu Species onto Pyrite Surface and Its Effect on Pyrite Flotation. Journal of Chemistry،Vol. 2016, no. 2016, pp.1-7.
https://search.emarefa.net/detail/BIM-1107669
Modern Language Association (MLA)
Yang, Bo…[et al.]. The Adsorption of Cu Species onto Pyrite Surface and Its Effect on Pyrite Flotation. Journal of Chemistry No. 2016 (2016), pp.1-7.
https://search.emarefa.net/detail/BIM-1107669
American Medical Association (AMA)
Yang, Bo& Tong, Xiong& Deng, Zhengbin& Lv, Xiangwen. The Adsorption of Cu Species onto Pyrite Surface and Its Effect on Pyrite Flotation. Journal of Chemistry. 2016. Vol. 2016, no. 2016, pp.1-7.
https://search.emarefa.net/detail/BIM-1107669
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1107669