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Modern Mining ›› 2013, Vol. 29 ›› Issue (10): 21-23+55.

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Study on a New Method of Synthesis for Thiocarbamate Flotation Reagents

Zhang Xingrong 1,2，Wei Ming'an 1,2，Zheng Guibing 1,2，Liu Longli 1,2   

  1. 1.Beijing General Research Institute of Mining and Metallurgy ；2.State Key Laboratory of Mineral Processing Science and Technology
  • Online:2013-10-16 Published:2013-11-28

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Abstract: Thiocarbamate flotation reagents were prepared by the reaction of xanthate and primary amine, or secondary amine, at 　　aminoethane, sodium xanthate, disulfur compound dosage of 1.1〖DK（〗∶〖DK）〗1.0〖DK（〗∶〖DK）〗1.0, in water at 30~35 ℃ for 1.5h with a self-prepared disulfur compound (ZS) as reaction accelerator. The synthetic rate is more than 93.0% and the purity is greater than 98.0%. The sythesis process was operation simplified, reaction mild, production quality stable, environmental friendly.

Key words: Thiocarbamate, Reaction accelerator, Flotation reagents, Synthesis