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J. Cent. South Univ. Technol. (2011) 18: 1940-1944 DOI: 10.1007/s11771-011-0926-9 Extraction of vanadium from stone coal by modified salt-roasting process WANG Ming-yu(王明玉), WANG Xue-wen(王学文), SHEN... Abstract: In order to reduce the pollution of Cl2 and HCl released during extracting vanadium from stone coal by sodium chloride roasting, a modified salt-roasting process was proposed by adding......
Leaching vanadium by high concentration sulfuric acid from stone coal CHEN Xiang-yang(陈向阳)1, 2, LAN Xin-zhe(兰新哲)1, 2, ZHANG Qiu-li(张秋利)1, MA Hong-zhou(马红周)1, ZHOU Jun(周 军)1 1. School... can reach 95.86%. Key words: stone coal; vanadium; leaching; sulfate solution ____________________________________________________________________________________________ 1 Introduction Vanadium......
Acid leaching of vanadium from roasted residue of stone coal ZHU Yang-ge(朱阳戈), ZHANG Guo-fan(张国范), FENG Qi-ming(冯其明), LU Yi-ping(卢毅屏), OU Le-ming(欧乐明), HUANG Si-jie(黄思捷) School of Resources... of stone coal that came from power generation was conducted. Factors which influence the leaching of vanadium such as concentration of sulfuric acid, leaching temperature, leaching time and liquid......
Trans. Nonferrous Met. Soc. China 25(2015) 1271-1278 Soil vanadium pollution and microbial response characteristics from stone coal smelting district Xi-yuan XIAO, Miao YANG, Zhao-hui GUO, Zhi-chao... Abstract: A field investigation was performed to study the content, speciation and mobility of vanadium, as well as microbial response in soil from a stone coal smelting district in Hunan province......
Desiliconisation of alkaline leaching solution of roasted stone coal with carbonation method LONG Si-si(龙思思), ZHANG Guo-fan(张国范), FENG Qi-ming(冯其明), OU Le-ming(欧乐明), LU Yi-ping(卢毅屏... and silicon; carbonation method; stone coal; vanadium ____________________________________________________________________________________________ 1 Introduction Stone coal ore is a kind of vanadium......
:电渗析;高盐废水;钒;石煤 中图分类号:X703.1 文献标志码:A Electrodialytic treatment of wastewater produced in vanadium extraction from stone coal BAO Shen-xu1, ZHANG Yi-min1, 2, LIU Tao1, CHEN..., Wuhan University of Technology, Wuhan 430070, China) Abstract: The acid wastewater produced in vanadium extraction from stone coal was desalinated by electrolysis. The results show that, at different......
Leaching of vanadium from stone coal with sulfuric acidWANG Mingyu, XIAO Liansheng, LI Qinggang, WANG Xuewen, and XIANG Xiaoyan School of Metallurgical Science and Engineering, Central South University, Changsha 410083, China摘 要:The effects of roasting, mass ratio of H2SO4 to stone coal, leaching temperature, liquid-to-solid ratio, grinding fineness......
[J]. Journal-South African Institute of Mining and Metallurgy, 2012, 113(7): 1-8. [13] HE Min, WANG Pei-pei, JIANG Hui-hui. Recognition of coal and stone based on SVM and texture [J]. Computer...J. Cent. South Univ. (2017) 24: 1252-1262 DOI: 10.1007/s11771-017-3529-2 Particle size distribution of coal and gangue after impact-crush separation YANG Dao-long(杨道龙)1, LI Jian-ping(李建平)1, DU Chang......
石煤钒矿焙砂加压碱浸试验肖超1,肖连生1,丁文涛1(1.湖南省长沙市中南大学冶金科学与工程学院)摘 要:针对目前采用"焙烧-碱浸提钒"工艺从石煤钒矿中提取钒存在碱消耗大,浸出时间长和浸出液杂质含量高等问题,研究采用高压碱浸法浸出石煤钒矿焙砂.试验考察碱用量,液固比,浸出时间,循环浸出等因素对钒浸出率的影响.结果表明,在NaOH用量为矿重的3.5%,液固比为1.5∶1,180℃下,2h浸出,钒的浸出率达到86%,浸出液中钒硅质量浓度比为0.65,浸出液pH值约为12.1.高压碱性浸出具有钒浸出率高,杂质浸出率低等......
Trans. Nonferrous Met. Soc. China 24(2014) 1145-1151 Flotation recovery of vanadium from low-grade stone coal Li WANG, Wei SUN, Run-qing LIU, Xiao-chuan GU School of Mineral Processing and Bioengineering, Central South University, Changsha 410083, China Received 20 March 2013; accepted 22 September 2013 Abstract: Pre-concentration of vanadium from low-grade stone coal by the method of desliming......