Journal of Industrial and Engineering Chemistry

  • Volume 52
  • /
  • Pages.82-88
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  • 2017
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  • 1226-086X(pISSN)
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  • 1876-794X(eISSN)
The Korean Society of Industrial and Engineering Chemistry (한국공업화학회)
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Synthesis of acetic acid-[(hydrazinylthioxomethyl)thio]-sodium and its application on the flotation separation of molybdenite from galena

  • Yin, Zhigang (School of Minerals Processing and Bioengineering, Central South University) ;
  • Sun, Wei (School of Minerals Processing and Bioengineering, Central South University) ;
  • Hu, Yuehua (School of Minerals Processing and Bioengineering, Central South University) ;
  • Liu, Runqing (School of Minerals Processing and Bioengineering, Central South University) ;
  • Jiang, Wei (School of Minerals Processing and Bioengineering, Central South University) ;
  • Zhang, Chenhu (School of Minerals Processing and Bioengineering, Central South University) ;
  • Guan, Qingjun (School of Minerals Processing and Bioengineering, Central South University) ;
  • Zhang, Chenyang (School of Minerals Processing and Bioengineering, Central South University)
  • Received : 2016.12.12
  • Accepted : 2017.03.19
  • Published : 2017.08.25
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Abstract

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 five-membered cheat ring with releasing of H ions. Therefore, the possible adsorption mode of AHS on galena surface was recommended.

Keywords

Acknowledgement

Supported by : Natural Science Foundation of China

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