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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......
, HU Yang-jia, BAO Shen-xu. Vanadium emission during roasting of vanadium-bearing stone coal in chlorine [J]. Minerals Engineering, 2012, 30(4): 95-98. [4] LONG Si-si, ZHANG Guo-fan, FENG Qi-ming, OU...Trans. Nonferrous Met. Soc. China 24(2014) 528-535 Loose-stratification model in separation process for vanadium pre-concentration from stone coal Yun-liang ZHAO, Yi-min ZHANG, Shen-xu BAO, Tao LIU......
Leaching behavior of V,Pb,Cd,Cr,and As from stone coal waste rock with different particle sizesYing-bo Dong1,2,Yue Liu1,Hai Lin1,21. School of Energy and Environmental Engineering,University... of heavy metals(V,Pb,Cd,Cr,and As) from stone coal waste rocks with various particle sizes using dynamic leaching experiments.The results show that the dissolved concentrations of V and As initially......
: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......
[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......
Bioleaching of vanadium from barren stone coal and its effect on the transition of vanadium speciation and mineral phaseXin Wang1,2,Hai Lin3,2,Ying-bo Dong3,2,Gan-yu Li1,21. School of Civil..., University of Science and Technology Beijing摘 要:This study determined the optimal conditions required to obtain maximum vanadium extraction and examined......
化焙烧 中图分类号:TF 841.3 文献标识码:A Mineral decomposition process of vanadium recovery from stone coal by low temperature sulphating roasting LIU Wan-li, WANG Xue-wen, WANG Ming..., then the obtained calcine is leached in water with liquid-to-solid ratio of 1.2 mL/g at 100 ℃ for 2 h, the leaching rate of vanadium is 78.2%. However, when the stone coal is leached with the same sulfuric acid......
University, Changsha 410083, China) Abstract: A new extractant HBL101 was used to directly extract vanadium from high acid leach solution of stone coal. The effects of acidity and potential of feed, time... to precipitate vanadium by adding NH4Cl. The final product of V2O5 with purity of 98.68% can be obtained. Key words: stone coal; vanadium; extraction; HBL101 基金项目:国家"十二五"科技支撑计划资助项目(2012BAB07B05) 收稿日期......
某低品位石煤钒矿资源综合利用工艺宁华1,黄光1,袁爱武1,王兴1,周晓源1(1.湖南省长沙市长沙有色冶金设计研究院)摘 要:介绍一种低品位石煤钒矿资源综合利用的工艺流程.表明低品位石煤钒矿的开发应该同时利用碳,钒,硫,硅多种元素,生产规模必须大型化,工艺路线应该稳妥化,设备选型要求优选化关键词:冶金技术； 石煤焙烧； 湿法提钒； 循环流化床锅炉......
