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Dong, et al. Leaching behavior of metals from limonitic laterite ore by high pressure acid leaching[J]. Transactions of Nonferrous Metals Society of China, 2011, 21(1): 191-195. [16] ZHANG Peiyu, SUN...%,铬铁比为2.51的铬精矿. 关键词:红土镍矿；粗细分级；重选；磁选；褐铁矿；铬铁矿 中图分类号:TD922 文献标志码:A 文章编号:1672-7207(2020)03-0567-12 Chromite removal process from low-grade laterite......
): 715-720. [13] ZUNIGA M, PARADA F, ASSELIN E. Leaching of a limonitic laterite in ammoniacal solutions with metallic iron[J]. Hydrometallurgy, 2010, 104(2): 260-267. [14] MA Bao-zhong, WANG Cheng-yan, YANG Wei-jiao, YANG Bo, ZHANG Yong-lu. Selective pressure leaching of Fe (II)-rich limonitic laterite ores from Indonesia using nitric acid[J]. Minerals Engineering, 2013, 45(3): 151-158. [15......
be expressed as 1-3(1-x)2/3+ 2(1-x)=13.53×10-2exp[-11.63/(RT)]t. References [1] PICKLES C A. Microwave heating behaviour of nickeliferous limonitic laterite ores [J]. Minerals Engineering, 2004, 17(6... leaching behaviour of nickel laterite ores: Effect of ore mineralogy and particle size distribution [J]. Hydrometallurgy, 2014, 146(3): 29-39. [6] PICKLES C A. Drying kinetics of nickeliferous limonitic......
Extraction of cobalt from laterite ores by citric acid in presence of ammonium bifluoride LI Guang-hui(李光辉),RAO Ming-jun(饶明军), LI Qian(李 骞), PENG Zhi-wei(彭志伟), JIANG Tao(姜 涛)1 School...; Abstract: Citric acid was used to selectively extract cobalt from limonite-type laterite ores......
from nickel laterite ores [J]. JOM, 2018, 7(17): 2365-2377. [5] MORCALI M H, KHAJAVI L T, DREISINGER D B. Extraction of nickel and cobalt from nickeliferous limonitic laterite ore using borax containing...Trans. Nonferrous Met. Soc. China 30(2020) 812-822 Efficient enrichment of nickel and iron in laterite nickel ore by deep reduction and magnetic separation Shuai YUAN, Wen-tao ZHOU, Yan-jun LI, Yue......
)-rich limonitic laterite ores from Indonesia using nitric acid [J]. Minerals Engineering, 2013, 45: 151-158. [8] DREISINGER D, CLUCAS J, REYMENANTS G. The starved acid leaching technology (SALT) for Ni..., the leaching performance is relatively insensitive to the change of ascorbic acid concentration from 2 to 4 g/L which is highly desirable from operational perspective. Key words: laterite ore; Caldag lateritic......
Microwave assisted atmospheric acid leaching of nickel from laterite oreCHE Xiaokuia,b,SU Xiuzhuc,CHI Ru’anc,and YU Junxiac a College of Resources and Civil Engineering,Northeastern University...">The recovery of nickel from laterite ore with sulphuric acid under the effect of microwave irradiation was studied.The experimental results indicated that the extraction rate of nickel was influenced......
; SEM image and EDS spectra of magnetic separation tailings of magnesia laterite ore with sodium sulfate 图15 试样添加氟化钙前后焙烧产物SEM像和EDS谱 Fig. 15 SEM images and EDS spectra of roasted ore without...属颗粒聚集长大,对镁质红土镍矿作用效果明显.能够显著提高镁质红土镍矿镍铁产品的镍品位和回收率,镍的品位从3%左右提高到7.5%左右,镍的回收率能从45%左右提高到85%左右.但对铁质红土镍矿作用效果不明显,选别指标没有太大变化. REFERENCES [1] BUTT C, CLUZEL D. Nickel laterite ore deposits: weathered......
Multi-index analysis of the melting process of laterite metallized pelletYun Wang,Rong Zhu,Kai-lu Tu,Guang-sheng Wei,Shao-yan Hu,Hong LiSchool of Metallurgical and Ecological Engineering, University..., and iron recovery rate during the melting of laterite metallized pellets was performed. The thermodynamic reduction behavior of oxides such as NiO, FeO, Fe3 O4, and Cr2 O3 was studied using the FactSage......
Feasibility of co-reduction roasting of a saprolitic laterite ore and waste red mudXiao-ping Wang,Ti-chang Sun,Jue Kou,Zhao-chun Li,Yu TianSchool of Civil and Resource Engineering, University... in the future.Laterite ores especially the saprolitic laterite ore are one refractory nickel resource,the nickel and iron of which can be effectively recovered by direct reduction and magnetic......
