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Formation of calcium titanate in the carbothermic reduction of vanadium titanomagnetite concentrate by adding CaCO3Xiao-hui Li,Jue Kou,Ti-chang Sun,Shi-chao Wu,Yong-qiang ZhaoSchool of Civil and Resource Engineering, University of Science and Technology Beijing摘 要:The formation of calcium titanate in the carbothermic reduction of vanadium......
硅质石煤钒矿无污染氧化剂氧化-酸浸法提钒工艺研究孙德四1,孙剑奇1,张贤珍1(1.江西省九江市九江学院化学化工学院江西省鄱阳湖生态经济研究中心)摘 要:通过单因素条件试验确定了"氧化剂氧化-硫酸浸出提钒工艺"的最优工艺参数.试验结果表明,在氧化剂二氧化锰用量为5%,硫酸浓度为40%,浸出温度为90℃,矿物粒度-74μm,浸出时间为9h,液固比为2.5∶1的条件下,钒的浸出率可达72.4%.比起传统的钠化焙烧工艺高出10%以上.关键词:硅质石煤钒矿; 氧化剂; 酸浸出; 提钒......
Electrodes based on nano-tree-like vanadium nitride and carbon nanotubes for micro-supercapacitorsRaul Lucio-Porto3,4,Mohammad Islam5,Shahram Solaymani6,Azin Ahmadpourian8,Hamed Achour9,Laurent Le... of Rennes 1, Institut d’Electronique et de Télécommunications11. Institut des Materiaux Jean Rouxel (IMN), Universite de Nantes,CNRS摘 要:Vanadium nitride(VN......
Sintering behaviors and consolidation mechanism of high-chromium vanadium and titanium magnetite finesMi Zhou,Tao Jiang,Song-tao Yang,Xiang-xin XueSchool of Materials and Metallurgy, Northeastern University摘 要:To achieve high efficiency utilization of high-chromium vanadium–titanium magnetite(V–Ti–Cr) fines, an investigation of V–Ti–Cr fines......
Influence of microwave treatment on grinding and dissociation characteristics of vanadium titano-magnetiteJun-peng Wang1,Tao Jiang1,2,Ya-jing Liu1,Xiang-xin Xue1,21. School of Metallurgy... and dissociation characteristics of vanadium titano-magnetite(VTM) ore were investigated using scanning electron microscopy(SEM), nitrogen absorption measurements, particle size distribution measurements......
Effects of calcium compounds on the carbothermic reduction of vanadium titanomagnetite concentrateXiao-hui Li,Jue Kou,Ti-chang Sun,Shi-chao Wu,Yong-qiang ZhaoSchool of Civil and Resource Engineering, University of Science and Technology Beijing摘 要:Effects of calcium compounds on the carbothermic reduction of vanadium titanomagnetite concentrate(VTC......
Concentration and separation of vanadium from alkaline media by strong alkaline anion-exchange resin 717HUANG Jinwena,b,SU Penga,b,WU Wenweia,LIAO Sena,QIN Huiquana,WU Xuehanga,HE Xiaohuc,TAO Liujiac...,a study on the sorption from alkaline solution and elution of vanadium(V),silicon(Ⅳ),and aluminium(Ⅲ) was carried out.Different parameters affecting the sorption and elution process,including......
Facile Synthesis,Characterization of Flower-Like Vanadium Pentoxide Powders and Their Photocatalytic BehaviorYao Li1,Jian-Lei Kuang1,Yi Lu2,Wen-Bin Cao1,31. Department of Inorganic Nonmetallic...="ChDivSummary" name="ChDivSummary">In this paper, V2O5 sol was firstly prepared using vanadyl sulfate as a vanadium source by modified sol-gel method at room temperature. Then flower-like V2O5 powders were......
Effect of vanadium micro-alloying on the microstructure evolution and mechanical properties of 718H pre-hardened mold steelHanghang Liu1,2,3,Paixian Fu1,3,Hongwei Liu1,3,Chen Sun1,2,3,Ningyu... for Materials Science摘 要:The effects of different contents of vanadium(V)(0.1,0.2,and 0.3 wt%) on the microstructure evolution and mechanical properties......
Recovery of vanadium and molybdenum from spent petrochemical catalyst by microwave-assisted leachingZhi-yuan Ma1,2,3,Yong Liu1,2,3,Ji-kui Zhou1,2,3,Mu-dan Liu1,2,3,Zhen-zhen Liu1,2,31. Guangdong... of Development and Comprehensive Utilization of Mineral Resources摘 要:The study of the leaching of vanadium(V) and molybdenum(Mo) from spent petrochemical......