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Mechanism of vanadic titanomagnetite solid-state reductionShui-Shi Liu,Yu-Feng Guo,Guan-Zhou Qiu,Tao JiangSchool of Minerals Processing and Bioengineering, Central South University摘 要:The influence mechanism of vanadic titanomagnetite solid-state reduction was studied in this paper.Optical microscopy(OM),scanning electron microscope(SEM),and X-ray......
Trans. Nonferrous Met. Soc. China 24(2014) 3372-3377 Solid-state reduction kinetics and mechanism of pre-oxidized vanadium-titanium magnetite concentrate Shui-shi LIU, Yu-feng GUO, Guan-zhou QIU, Tao JIANG, feng CHEN School of Minerals Processing and Bioengineering, Central South University Changsha 410083, China Received 3 September 2013; accepted 4 March 2014 Abstract: The solid-state reduction......
Synthesis and electrochemical performance of 5V spinel LiNi0.5Mn1.5O4 prepared by solid-state reaction SUN Qiang(孙 强), LI Xin-hai(李新海),WANG Zhi-xing(王志兴), JI Yong(季 勇) School...; Abstract: Spinel compound LiNi0.5Mn1.5O4 with high capacity and high rate capability was synthesized by solid-state reaction......
)). The reactants should diffuse through the layer for further reduction. Consequently, it is predicted that this solid-state diffusion tends to be the rate-controlling step at the final stage. Fig. 8 SEM...] LI Jian-chen, BAI Guo-hua, LI Guang-hui. Solid-state reduction properties of carbon-bearing chromite pellets [J]. The Chinese Journal of Nonferrous Metals, 2011, 21(5): 1159-1164. (in Chinese) [15] LI......
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; 文献标志码:A 文章编号:1672-7207(2010)05-1639-06 Solid-state reduction behavior of Panzhihua ilmenite GUO Yu-feng, YOU Gao, JIANG Tao, QIU Guan-zhou (School of Minerals Processing and Bioengineering , Central South University, Changsha 410083, China) Abstract: The macrodynamics of solid-state carbonthermic reduction......
; pellet; solid-state reduction; metallization 铬铁合金是生产不锈钢和高铁素体合金的最重要合金材料的一种,它可作为钢的添加料生产多种高强度,抗腐蚀,耐磨,耐高温,耐氧化的特种钢[1].目前,工业生产中为降低铬铁生产设备的造价,各厂都趋向使用大型还原封闭电炉,这些电炉必须使用硬块铬铁矿[2-3].目前,世界铬铁矿年开采量中块矿约占20%,粉矿(<8 mm)约占80... 773 K[J]. ISIJ International, 2007, 47(11): 1585-1589. [3] YANG Y D, SOMMERVILLE I D, JOHNSTON R F, MCLEAN A. Use of solid state carbothermic reduction in production of transition metals......
]. Iron and Steel, 2009, 44(2): 11-15. (in Chinese) [15] GUO Yu-feng. Study on strengthen the solid-state reduction and comprehensive utilization of vanadiferous tianomagnetite [D]. Changsha: School... species and that of intrinsic chemical reaction. The total reduction time is expressed by Eq. (2), which is valid under the conditions of solid sphere being reacted with gas phase, the effect of gas phase......
size and enhanced electrical conductivity produced via one-step solid-state reaction method using oxalic acid as both reduction agent and carbon sources. AC impedance measurements also show... to the difficulty for the realization of industrialized production [13]. In this work, LiVPO4F was synthesized by a novel one-step solid-state reaction method using oxalic acid as both reduction agent and carbon......
, LUAN Xiang-feng. Synthesis and ionic conductivity of Li6La3BiSnO12 with cubic garnet-type structure via solid-state reaction [J]. Journal of Central South University, 2015, 22(8): 2883-2886. [3] DAI... reduction reaction WANG Li-ping(王莉萍)1, TIAN Jing(田敬)1, LI Jing-sha(李静莎)1, ZENG Xian-guang(曾宪光)2, PENG Zhi-guang(彭志光)1, HUANG Xiao-bing(黄小兵)3, TANG You-gen(唐有根)1, WANG Hai-yan(王海燕)1 1. Hunan Provincial Key......