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Extracting vanadium from stone-coal by oxygen pressure acid leaching and solvent extraction DENG Zhi-gan(邓志敢), WEI Chang(魏 昶), FAN Gang(樊 刚), LI Min-ting(李旻廷), LI Cun-xiong(李存兄), LI... of the raw material. Key words: stone-coal; extracting vanadium; oxygen pressure; acid leaching; acid recovery; solvent extraction......
Extracting B2O3 from calcined boron mud using molten sodium hydroxideZhi-Qiang Ning,Yu-Chun Zhai,Qiu-Shi SongSchool of Materials and Metallurgy,Northeastern University摘 要:Extracting B2O3 from calcined boron mud(CBM) was studied. The effect of factors such as reaction temperature and NaO H-to-CBM mass ratio on B2O3 extraction efficiency was investigated......
云南省龙陵县杨梅田铜矿成矿地质特征及找矿潜力分析赵发1,赵喷21. 云南永昌铅锌股份有限公司2. 中国冶金地质总局昆明地质勘查院摘 要:在对区域地质背景,地球化学特征及矿区地质特征认识的基础上,着重研究了矿体,矿石特征及矿床地球化学特征,认为矿床的成因属中温热液型,控矿因素主要是地层,岩性以及构造,同时指出了深部和外围是矿区下一步主要找矿方向和找矿靶区.关键词:铜矿;找矿潜力;地质特征;控矿因素;......
reach 73% and the concentration of Fe2+ in the striping solution is 61.8 g/L, which can satisfy the need of industrial preparation of FeSO4?7H2O. Key words: hydrometallurgy; extracting by P204......
A new process of extracting vanadium from stone coalYan-hua Liu~(1,2)),Chao Yang~(1)),Pei-you Li~(2)),and Shi-qi Li~(1)) 1) Metallurgical and Ecological Engineering School,University of Science and Technology Beijing,Beijing 100083,China 2) Beijing Nengtai Environmental Protection Group Corp,Beijing 100022,China摘 要:<正>A new process of extracting......
New templates of CNN for extracting corners of objects in gray-scale imagesLequan Min, Ming Lei, and Xisong DongApplied Science School, University of Science and Technology Beijing, Beijing 100083, China摘 要:<正> A new cellular neural network (CNN) with nonlinear templates is presented for extracting convex corners of objects in gray-scale images......
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Extracting copper from copper oxide ore by a zwitterionic reagent and dissolution kineticsJiu-shuai Deng,Shu-ming Wen,Jian-ying Deng,Dan-dan WuState Key Laboratory of Complex Nonferrous Metal... a zwitterionic structure, was applied as a leaching reagent for the first time for extracting copper from copper oxide ore. The effects of reaction time, temperature, particle size, reagent concentration......
钒钛磁铁精矿先提钒工艺研究现状及产业化前景分析 付自碧1 (1.攀枝花钢铁研究院,四川,攀枝花,617000) 摘要:对钒钛磁铁精矿先提钒工艺的研究结果进行了分析,指出了工艺存在的不足之处,提出了问题的解决方法,并进行了试验验证.通过对改进后的先提钒工艺流程与高炉工艺流程技术经济指标的比较,认为钒钛磁铁精矿先提钒工艺流程具有较好的产业化前景. 关键词:钒钛磁铁精矿; 先提钒; 产业化; Vanadium-bearing titanomagnetite concentrate; Preferential extracting vanadium; Industrialization; [全文内容正在添加中] ......
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... of vanadium occurrence state on the extracting vanadium tech- nology is obvious.If the vanadium component in stone coal existed in amorphous phase form,this type of stone coal can be treated by no-slat......