Depression Performance of Azo Dyes to Sulfide Minerals

Li Hong Lan; Jian Hua Chen; Ping Lan; Mei Lian Liang; Ye Chen

doi:10.4028/www.scientific.net/AMR.287-290.3074

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 287-290Depression Performance of Azo Dyes to Sulfide...

Depression Performance of Azo Dyes to Sulfide Minerals

Abstract:

Azo dyes have strong hydrophilic and good adhesion to solid surface. In this study, 23 kinds of typical azo compounds were tested as depressant of sulfide minerals. Absorption of azo compound on mineral surfaces was detected by UV. The result shows that some of them can be good depressants of single sulfide minerals. With the number of azo group increasing from 1 to 3, depression performances are improved. On the other hand, depression performances of azo dye are related to the type of group and the location of phenyls，the results of adsorption and the frontier molecular orbital energy calculation may be used to explain depression performances of azo dyes.

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Periodical:

Advanced Materials Research (Volumes 287-290)

Pages:

3074-3080

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.287-290.3074

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Online since:

July 2011

Authors:

Li Hong Lan, Jian Hua Chen, Ping Lan, Mei Lian Liang, Ye Chen

Keywords:

Adsorption, AZO Dye, Depressant, Frontier Orbital Energy, Sulfide Mineral

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