Study on Preparation of Iron Powder and Nano-Carbon Black by Reaction Process of High-Iron Bauxite and Natural Gas

In this paper, high-iron bauxite was reduced deeply using natural gas as reductant in a closed circulation reduction furnace and then it was disposed by ball milling and magnetic separation. The results of study showed: when the optimum conditions of reduction of high-iron bauxite were that a temperature of 900°C, a reaction time of 120 min and a material thickness of 5 mm, iron powder and carbon black can be obtained, the particle size of iron powder was about 50∼200 nm, and the carbon black was about 30∼100 nm.

[1]  Guang-qing Zhang,et al.  Stepwise carbothermal reduction of bauxite ores , 2013 .

[2]  S. Samanta,et al.  Mineralogy and carbothermal reduction behaviour of vanadium-bearing titaniferous magnetite ore in Eastern India , 2013, International Journal of Minerals, Metallurgy, and Materials.

[3]  G. Tu,et al.  Pre-desilication and digestion of gibbsitic bauxite with lime in sodium aluminate liquor , 2012, International Journal of Minerals, Metallurgy, and Materials.

[4]  J. Forster,et al.  A study of reduction and magnetic separation of iron from high iron bauxite ore , 2012 .

[5]  B. K. Satapathy,et al.  Production of pig iron from red mud waste fines using thermal plasma technology , 2012, International Journal of Minerals, Metallurgy, and Materials.

[6]  C. Pickles,et al.  Carbothermal Reductive Upgrading of a Bauxite Ore Using Microwave Radiation , 2012 .

[7]  朱明,et al.  Iron Extraction From Oolitic Iron Ore by a Deep Reduction Process , 2011 .

[8]  S. Yongsheng.  Testing Investigation on the Reduction/Magnetic Separation of Oxide Ore from Bayan Obo , 2010 .

[9]  Zhao Bao-jin.  Tests on medium temperature metal-based roasting-magnetic separation of high ferrous bauxite , 2010 .

[10]  W. Liu,et al.  Recovery of alumina and ferric oxide from Bayer red mud rich in iron by reduction sintering , 2009 .

[11]  R. Gilkes,et al.  A method to concentrate boehmite in bauxite by dissolution of gibbsite and iron oxides , 2009 .

[12]  肖伟,et al.  Recovery of alumina and ferric oxide from Bayer red mud rich in iron by reduction sintering , 2009 .

[13]  Liu Chen-shuai,et al.  DEVELOPMENT AND APPLICATION OF THEORY AND TECHNOLOGY OF MODERN MAGNETIC SEPARATION , 2009 .

[14]  J. Tao.  Mineralogy and separation of aluminum and iron from high ferrous bauxite , 2006 .

[15]  Peter Englezos,et al.  Gas hydrates: A cleaner source of energy and opportunity for innovative technologies , 2005 .

[16]  H. Kahn,et al.  Characterization of bauxite fines aiming to minimize their iron content , 2003 .

[17]  N. Srinivasan.  Reduction of iron oxides by carbon in a circulating fluidized bed reactor , 2002 .

[18]  J. See,et al.  The mineralogy of bauxite for producing smelter-grade alumina , 2001 .

[19]  Joong-Kee Lee,et al.  Hydrogen production from fluidized bed steam reforming of hydrocarbons , 1998 .