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Leaching kinetics of molybdenum from Ni-Mo ore in sulfuric acid solution with sodium peroxodisulfate as oxidantLIU Zhi-xiong(刘志雄)1, YIN Zhou-lan(尹周澜)2, CHEN Yi-guang(陈义光)3, XIONG Li-zhi(熊利芝)3(1.... College of Biology and Environmental Sciences, Jishou University, Jishou 416000, China)Abstract:The leaching kinetics of molybdenum from Ni-Mo ore in sulfuric acid solution with sodium......
Kinetics and leaching behaviors of aluminum from pharmaceutical blisters in sodium hydroxide solutionWANG Chong-qing(王重庆)1, WANG Hui(王晖)1, GU Guo-hua(顾帼华)2, FU Jian-gang(符剑刚)1, LIU You-nian(刘又年) 1(1... with respect to leaching behaviors and kinetics. A L9 (34) orthogonal design of experiments suggests that the most significant factor is NaOH concentration followed by temperature and leaching time......
Sulfuric acid leaching kinetics of South African chromiteQing Zhao1,2,Cheng-jun Liu1,Pei-yang Shi1,Bo Zhang1,Mao-fa Jiang1,Qing-song Zhang1,Ron Zevenhoven2,Henrik Saxén21. Key Laboratory...">The sulfuric acid leaching kinetics of South African chromite was investigated. The negative influence of a solid product layer constituted of a silicon-rich phase and chromium-rich sulfate......
. The leaching kinetics of the pyrite, chalcocite and covellite under the studied conditions was successfully modeled by an empirical diffusion-like equation, respectively. The apparent activity energy... from chalcocite and covellite, it is necessary to study the bioleaching behavior of pyrite, chalcocite and covellite, and their dissolution kinetics. To achieve this goal, the leaching process of pyrite......
Leaching kinetics of celestite in nitric acid solutionsFeray Kocan,Umran Hicsonmez摘 要:In this study, strontium nitrate extraction from celestite in nitric acid solutions was investigated using the leaching method. The influences of acid concentration, solid-to-liquid ratio, stirring speed, and reaction temperature on the leaching of strontium from......
ores; magnesium; carbonatation; leaching; kinetics ____________________________________________________________________________________________ 1 Introduction Nickel laterite ores are formed... enriched, and the content of nickel oxide is improved from 1.41% to 2.96%. 3) The leaching kinetics of desiliconization slag in carbonatation process was investigated. The carbonatation leaching process......
Silver dissolution in a novel leaching system: Reaction kinetics studyLi Xiao1,2,Pei-wei Han1,Yong-liang Wang1,Guo-yan Fu1,2,Zhi Sun1,Shu-feng Ye11. State Key Laboratory of Multiphase Complex Systems... thiosulfate-potassium ferricyanide leaching system. The reaction kinetics of silver dissolution in this system was investigated via the rotating disk electrode technology. The influences of important parameters......
. REFERENCES [1]Warren G W, Henein H, Jin Z M. Reaction kinetics of the ferric chloride leaching of sphalerite-an experimental study[J]. Metallurgical transactions B,1984,15B: 5-12. [2]Majima H...Coupling leaching of sphalerite concentrate PENG Peng(彭 鹏)1, 2, XIE Hui-qin(谢惠琴)1, LU Li-zhu(卢立柱)1 (1. Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100080, China; 2......
Leaching kinetics of bastnaesite concentrate in HCl solution BIAN Xue, YIN Shao-hua, LUO Yao, WU Wen-yuan School of Materials and Metallurgy, Northeastern University, Shenyang 110004, China Received 30 October 2010; accepted 27 May 2011 Abstract: The leaching kinetics of bastnaesite concentrate in HCl solution was investigated with respect to the effects of HCl concentration by changing HCl......