화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.52, 82-88, August, 2017
DOI10.1016/j.jiec.2017.03.027  Export Citation
Synthesis of acetic acid-[(hydrazinylthioxomethyl)thio]-sodium and its application on the flotation separation of molybdenite from galena
Zhigang Yin, Wei Sun†, Yuehua Hu†, Runqing Liu, Wei Jiang, Chenhu Zhang, Qingjun Guan, and Chenyang Zhang†
  • School of Minerals Processing and Bioengineering, Central South University, Changsha, Hunan 410083, China
E-mail:, ,
A novel organic compound acetic acid-[(hydrazinylthioxomethyl)thio]-sodium was synthesized and characterized. The flotation performance and adsorption mechanism of AHS to galena were investigated by micro, bench flotation tests, UV spectra, zeta potential, FTIR and XPS measurements. The results demonstrated that AHS exhibited superior depressing power to galena and could be used as selective depressant for flotation separation of molybdenite from galena. The results of UV spectra, FTIR, zeta potential and XPS measurements demonstrated that AHS chemisorb on galena surface by forming fivemembered cheat ring with releasing of H ions. Therefore, the possible adsorption mode of AHS on galena surface was recommended.
Keywords:Molybdenite;Galena;Depressant;Flotation separation
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