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; 文章编号:1672-7207(2013)03-0880-05 Comparison of removal of sulfur from high-sulfur petroleum coke XIAO Jin, WU Qian, HE Chuan, DEND Songyun (School of Metallurgical Science and Engineering, Central South University, Changsha 410083, China) Abstract: A self-developed desulphurization was used in experiment with low-temperature chemical method to desulfurize high-sulfur petroleum coke. High......
Beneficiation of low-grade diasporic bauxite with hydrocyclone GAO Shu-ling(高淑玲)1, LI Xia-an(李晓安)2,WEI De-zhou(魏德洲)1, FANG Ping(方 萍)1, JIA Chun-yun(贾春云)1, LIU Wen-gang(刘文刚)1, HAN Cong(韩 聪)1 1...; Abstract: Low-grade diasporic bauxite was treated with hydrocyclone of small cone-angle. The effects of apex diameter, feed pressure and feed......
Quantitative effects of phase transition on solute partition coefficient,inclusion precipitation, and microsegregation for high-sulfur steel solidificationLintao Gui1,2,Mujun Long1,2,Shixin... elements at the solid-liquid interface. The effect of the phase transition of high-sulfur free-cutting steel is quantified in the present work for the solute partition coefficient(ki), inclusion......
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New insights into the extraction of invisible gold in a low-grade high-sulfur Carlin-type gold concentrate by bio-pretreatmentXiao-bin Qiu1,2,Jian-kang Wen1,Song-tao Huang1,Hong-ying Yang2,Mei-lin...="ChDivSummary">To extract gold from a low-grade(13.43 g/t) and high-sulfur(39.94wt% sulfide sulfur) Carlin-type gold concentrate from the Nibao deposit, Guizhou, a bio-pretreatment followed by carbon......
Upgradation of bauxite by molecular hydrogen and hydrogen plasmaB.R.Parhi1,S.K.Sahoo1,S.C.Mishra11. Department of Metallurgical and Materials Engineering, National Institute of Technology摘 要:An approach was developed to upgrade the bauxite ore by molecular hydrogen and hydrogen plasma. A gibbsite-type bauxite sample was obtained from National Aluminium......
bauxite was studied at high temperature to recover Fe and beneficiate Al2O3 slag. The results show that a metallization rate of 97.9% and a nugget recovery rate of 85.1% can be achieved when... Al2O4), and gehlenite(Ca2Al2SiO7). In addition, high-quality iron nuggets have been produced from low-grade lateritic bauxite. The nugget is mainly composed of iron(93.82wt%) and carbon(3.86wt......
ON THE UTILIZATION OF BAUXITE OF POOR QUALITY余其俊,童大懋,易帆,周宗辉摘 要:<正> One kind of energy saving and high early strengthcement can be produced by using...℃) by the use of the bauxite tothe utmost limit. The results show, the cement notonly has high early strengths but also has a goodcharacteristic of resisting corrosion by sulphate.So it will be of great......
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