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Trans. Nonferrous Met. Soc. China 26(2016) 575-580 Leaching behavior of metals from high-arsenic dust by NaOH-Na2S alkaline leaching Xue-yi GUO1,2, Yu YI1,2, Jing SHI1, Qing-hua TIAN1,2 1. School..., Changsha 410083, China Received 9 February 2015; accepted 1 July 2015 Abstract: Arsenic is selectively extracted from high-arsenic dust by NaOH-Na2S alkaline leaching process. In the leaching arsenic......
Trans. Nonferrous Met. Soc. China 29(2019) 641-649 Recovery of valuable metals from lepidolite by atmosphere leaching and kinetics on dissolution of lithium Jin-lian LIU1, 2, Zhou-lan YIN1, Xin-hai..., China, was adopted to investigate the recovery of alkali metals and leaching kinetics of lithium with sulphuric acid solution under atmospheric pressure. The results show that the recoveries of alkali......
Study on the Formation of Crystalline Rare Earth Carbonates from Rare Earth Ore Leaching Liquors喻庆华,李先柏摘 要:<正> The crystalline precipitate of rare earth carbonates has been produced by the ammonium bicar-bonate precipitation method in the recovery of RE from the ammonium sulfate leaching liquor of the weath-ered leach-deposited rare earth......
的提高近20倍. 关键词:镓;锗;高压酸浸;浸出率;过滤性能;助浸 中图分类号:TF803.21 文献标志码:A Leaching mechanism of zinc powder replacement residue containing gallium and germanium by high pressure acid leaching LIU Fu-peng, LIU Zhi-hong, LI Yu-hu, LIU Zhi-yong, LI Qi-hou (School of Metallurgy and Environment, Central South University, Changsha 410083, China......
Chemical leaching of an Indian bituminous coal and characterization of the products by vibrational spectroscopic techniquesB. Manoj1,2,A.G. Kunjomana11. Department of Physics, Christ University2... and the band at 1540 cm-1 as GR band. Graphite structure remains after chemical leaching liberates oxygenated functional groups and mineral groups. The silicate bands between 1010 and 1100 cm-1 are active......
Influence of acid leaching and calcination on iron removal of coal kaolinPei-wang Zhu,Wei-qiang Zeng,Xiu-lin Xu,Le-ming Cheng,Xiao Jiang,Zheng-lun ShiState Key Laboratory of Clean Energy Utilization,Zhejiang University摘 要:Calcination and acid leaching of coal kaolin were studied to determine an effective and economical preparation method of calcined......
Roasting-induced phase change and its influence on phosphorus removal through acid leaching for high-phosphorus iron oreMin Yang1,2,3,Qing-shan Zhu1,Chuan-lin Fan1,Zhao-hui Xie1,Hong-zhong Li11... on phosphorus removal via leaching has been investigated for high-phosphorus iron ore. The findings indicate that phosphorus in the ore is associated with goethite and exists mainly in amorphous Fe3PO7 phase......
Vanadium recovery from clay vanadium mineral using an acid leaching methodLI Haoran~a FENG Yali~b LIANG Jianglong~a LUO Xiaobing~b DU Zhuwei~a ~a State Key Laboratory of Biochemical Engineering...="ChDivSummary" name="ChDivSummary"><正>A technique including direct acid leaching,vanadium precipitation with alkaline,sodium hydroxide releaching,impurity removing by ad- justing pH value......
Characterization of refractory behaviour of complex gold/silver ore by diagnostic leaching O. CELEP1, ?. ALP1, H. DEVEC?1, M. VICIL2 1. Mining Engineering Department, Karadeniz... of a refractory ore to the extraction of gold and silver by cyanide leaching was investigated. Diagnostic leaching tests were also performed to shed light on the refractory characteristics of ore. The leaching......
on leaching process of sintered powder in extracting alumina from fly ash SUN Pei-mei, TONG Jun-wu, XU Hong-yan, ZHAO Zhe, XUE Bing, ZHANG Jiao-yang (School of Chemical and Environmental Engineering, China University of Mining and Technology(Beijing), Beijing 100083, China) Abstract: The Na2CO3 solution leaching process of sintered powder obtained from sintering process of fly ash and limestone......