The Experimental Study and Mechanism Analysis on Flotation Separation of Tetradymite and Pyrite

Hai Liang Feng; Xiao Kui Che; Qi Zheng; Li Cheng Ma

doi:10.4028/www.scientific.net/AMR.1092-1093.1490

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The Experimental Study and Mechanism Analysis on Flotation Separation of Tetradymite and Pyrite

Abstract:

The experimental results of flotation of pure tetradymite and pyrite show that HL-1 is an efficient collector for tetradymite flotation. Comparing to the butyl xanthate, HL-1 has stronger collector ability and higher selectivity. It solves the common problem of the separation of tetradymite and pyrite. The difference of adsorption quantity is consistent with results of the single mineral flotation test. Through the measurements of adsorption, zeta-potential, and FTIR spectral analysis, the flotation mechanism of tetradymite with HL-1 has been discussed. It is concluded that the adsorption of HL-1 on tetradymite surface is chemical adsorption through the dithiocarbamate group of the collector chelating the Bi (III) of tetradymite to form metal complex.

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Periodical:

Advanced Materials Research (Volumes 1092-1093)

Pages:

1490-1496

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1092-1093.1490

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Online since:

March 2015

Authors:

Hai Liang Feng*, Xiao Kui Che, Qi Zheng, Li Cheng Ma

Keywords:

Chemical Adsorption, Flotation Separation, HL-1, Pyrite, Tetradymite

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* - Corresponding Author

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