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	1. A Study of Mineral Processing of TuMuErTai Iron Mine
	Shimin Liu,Chen Maohe
	Mine Engineering and Technology 14 February 2007
	Show/Hide Abstract \| Cite this paper︱Full-text: PDF (0 B)

	Abstract:The TuMuErTai Iron Mine is a very good deposit. Because the grade of the iron ore can reach about 60%. But some of the ore is high sulfur ore, so the mineral processing plant must be built. The closed circuit grinding is adopted in the mineral processing flow. At the same time, the high sulfur ore was treated by the flotation. Though the processing, the grade of sulfur of the product can be reduce to lower than 0.2%. Thus, the mineral processing plant can be feasibility to built.
	TO cite this article:Shimin Liu,Chen Maohe. A Study of Mineral Processing of TuMuErTai Iron Mine[OL].[14 February 2007] http://en.paper.edu.cn/en_releasepaper/content/11157


	2. Bioleaching of sphalerite flotation concentrate
	QIN Wenqing,WANGJun,QIU Guanzhou
	Mine Engineering and Technology 18 July 2006
	Show/Hide Abstract \| Cite this paper︱Full-text: PDF (0 B)

	Abstract:Elective culture of Acidithiobacillus ferrooxidans and Acidithiobacillus thiooxidanin in modified 9K medium （containing pyrrhotite）was studied in this paper. Bioleaching of sphalerite flotation concentrate by the selected bacteria was carried out. The results showed that the microorganisms cultured by pyrrhotite were a mixture of Acidithiobacillus ferrooxidans andAcidithiobacillus thiooxidans of which the capability to oxidize ferrous to ferric irons was enhanced by the high ratio of Fe/S in pyrrhotite. Five pyrrhotite samples were separated into various parts with corresponding S/Fe ratios by magnetic separation and were used to culture the elective bacteria as the substrate. The association of the cultures could provide a more rapid and complete oxidation of sphalerite than that of bacteria cultivated by conventional methods.
	TO cite this article:QIN Wenqing,WANGJun,QIU Guanzhou. Bioleaching of sphalerite flotation concentrate [OL].[18 July 2006] http://en.paper.edu.cn/en_releasepaper/content/7624

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