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Trans. Nonferrous Met. Soc. China 31(2021) 2501-2510 Effect of nickel oxide additive on smelting mechanism of chromium-bearing vanadium titanomagnetite pellets Gong-jin CHENG, Wei-dong TANG, Xiang... of chromium-bearing vanadium titanomagnetite pellets (CVTP) was investigated while analyzing the transfer behavior of nickel in iron and slag. The results show that when NiO added to CVTP increases from 0......
chemical looping gasification based on iron ore as oxygen carrier[J]. Thermal Science and Technology, 2016, 15(3): 250-258. Conversion characteristics of biomass gasification using vanadium... spectrum of biomass raw materials 实验采用的钒钛磁铁矿来自攀西地区,其主要化学组成见表2.其矿物组成见图3,主要由钛磁铁矿和钛铁矿组成,此外还存在少量镁铁橄榄石相. 表2 钒钛磁铁矿化学组成分析 Table 2 Chemical composition analysis of vanadium titanomagnetite (mass......
ARTICLE J. Cent. South Univ. (2019) 26: 1435-1442 DOI: https://doi.org/10.1007/s11771-019-4099-2 Improving electrochemical properties of carbon paper as negative electrode for vanadium redox... University, Chengdu 610065, China; 2. College of Vanadium and Titanium, Panzhihua University, Panzhihua 617000, China; 3. School of Intelligent Manufacturing , Panzhihua University, Panzhihua 617000, China......
Geochemistry of Rare Earth Elements in Xikeng Ag-Pb-Zn Ore Deposit, South Anhui, China WANG Dao-xuan1,YUE Shu-cang1,LI Shuang-ying1,YANG Xue-ming2,CHEN Tian-hu1 (1.Department of Resources..., a comparative study is done on the geochemical charateristics of REE in ore, ore-hosted rocks of Lantian group, granite related to ore deposit, and altered rocks for tracing origin of ore-forming......
]. Vanadium compounds originate mostly from primary sources such as ore feedstock, concentrates, metallurgical slags, and petroleum residues, among which vanadium-bearing slag is the most important... concentrated alkaline solutions. SUN et al [13] and LIU et al [8] studied the mechanisms of the decomposition of chromite ore and vanadium slag in NaOH-NaNO3 binary molten salt systems, respectively......
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, et al. Analysis and application of stone coal-vanadium ore characteristics in 5 mining areas[J]. Modern Mining, 2018, 34(4): 89-94. [27] 孙德四, 陈晔, 曹飞. 矿物环境对硅酸盐细菌的铝土矿浸矿脱硅作用的影响[J]. 化工进展, 2012, 31(10...盐细菌对锰渣中有效硅的淋洗效果较好,但体系pH为7时有效硅的淋洗量最大,这与本文研究结果相似. 图2 初始pH对B.M菌淋洗体系钒和铜淋出率的影响 Fig. 2 Effect of initial pH on leaching rate of vanadium and copper in B.M bacterial leaching system 2.2 溶氧量对B.M菌淋洗尾渣中钒和铜的影响......
Effect of vanadium occurrence state on the choice of extracting vanadium technology from stone coalWANG Mingyu XIANG Xiaoyan ZHANG Liping XIAO Liansheng School of Metallurgical Science and Engineering,Central South University,Changsha 410083,China摘 要:<正>The extraction technology of vanadium from stone coal by means of no-salt-roasting and dilute......
Sticking of iron ore pellets in direct reduction with hydrogen and carbon monoxide: Behavior and preventionYI Ling-yun(易凌云), HUANG Zhu-cheng(黄柱成), LI Tie-hui(李铁辉), JIANG Tao(姜涛) (School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China)Abstract:A series of reduction experiments of iron ore pellets with hydrogen, carbon monoxide and their mixture were......