Investigation on a Novel Galena Depressant in the Flotation Separation from Molybdenite

被引：7
作者：
Hu, Yangjia [1 ]
Zhao, Zhiqiang [1 ,2 ]
Lu, Liang [1 ,3 ,4 ]
Zhu, Huanyu [5 ]
Xiong, Wei [1 ,3 ,4 ]
Zhu, Yangge [1 ,3 ,4 ]
Luo, Sigang [1 ]
Zhang, Xingrong [1 ,3 ,4 ]
Yang, Bingqiao [5 ]
机构：
[1] BGRIMM Technol Grp, State Key Lab Mineral Proc, Beijing 102600, Peoples R China
[2] Univ Sci & Technol Beijing, Civil & Resource Engn Sch, Beijing 100083, Peoples R China
[3] China South Africa Joint Res Ctr Dev & Utilizat M, Beijing 102628, Peoples R China
[4] China South Africa Belt & Rd Joint Lab Sustainabl, Beijing 102628, Peoples R China
[5] Wuhan Inst Technol, Sch Resources & Safety Engn, Wuhan 430073, Peoples R China
来源：
MINERALS | 2021年 / 11卷 / 04期
基金：
中国国家自然科学基金; 国家重点研发计划;
关键词：
flotation; galena; molybdenite; depressant; MATT;
D O I：
10.3390/min11040410
中图分类号：
P3 [地球物理学]; P59 [地球化学];
学科分类号：
0708 ; 070902 ;
摘要：
In this study, a novel organic depressant maleyl 5-amino-1,3,4-thiadiazole-2-thiol (MATT) was synthesized and utilized as a galena depressant in the flotation separation of molybdenite and galena. The results of the flotation test indicated that MATT exhibited an excellent depression ability on galena but barely influenced the flotation of molybdenite in the pH range of 6.0-11.0. Zeta potential results suggested that MATT preferentially adsorbed on galena surface. UV-visible spectroscopy analysis indicated that the stoichiometric ratio of lead ion and reagent in the complex compound. XPS analysis demonstrated that the S (-SH) atom and N (1,3,4-thiadiazole group) atom of MATT coordinated with the Pb atom on galena surface.
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页数：12
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