화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.48, 125-132, April, 2017
DOI10.1016/j.jiec.2016.12.029  Export Citation
Copper sulfide species formed on malachite surfaces in relation to flotation
Qicheng Feng1, 2, Wenjuan Zhao3, Shuming Wen1, 2, †, and Qinbo Cao1, 2, †
  • 1State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization, Kunming University of Science and Technology, Kunming 650093, PR China
  • 2Faculty of Land Resource Engineering, Kunming University of Science and Technology, Kunming 650093, PR China
  • 3Kunming Metallurgical Research Institute, Kunming 650031, PR China
E-mail:,
The interaction between sulfide ion species and malachite surfaces in relation to flotation was studied in this work using X-ray photoelectron spectroscopy analysis, surface adsorption, zeta potential determination, and micro-flotation experiments. Results demonstrate that the flotation recovery of malachite was correlated with the contents of sulfidization products and their active components as well as the residual sulfide ion species in pulp solutions. The sulfidization product was composed of cuprous monosulfide, cuprous disulfide, and cuprous polysulfide. Among them, disulfide and polysulfide positively contributed to the activity of the product.
Keywords:Malachite;Sulfide ions;Adsorption;Sulfidization;Copper sulfide species
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