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10 μm. This highlights the requirement for very fine grinding to achieve nickel enrichment through physical separation. In the earthy goethite matrix (point 8), Al and Mg are detected in Fig. 3(e... the nickel laterite deposited in Moa Bay area, Cuba. Nickel, cobalt and aluminum are detected accumulating in asbolane [16]. 3.4.2 Maghemite, chromite and quartz Maghemite, chromite and quartz possess......
J. Cent. South Univ. (2017) 24: 1727-1735 DOI: https://doi.org/10.1007/s11771-017-3580-z A hybrid zeolitic imidazolate framework Co-IM-mIM membrane for gas separation GAO Zheng-cai(高正才)1, LI Li-qing... in Teflon-lined autoclave at 120 °C after pre-depositing by dip-coating at room temperature. No visible cracks, pinholes or other defects were observed on the membrane layer. The gas separation studies......
J. Cent. South Univ. (2020) 27: 1443-1452 DOI: https://doi.org/10.1007/s11771-020-4380-4 Synthesis of intracellular cobalt ferrite nanocrystals by extreme acidophilic archaea Ferroplasma... intracellular cobalt ferrite nanocrystals, is investigated in this study. The nanocrystals were analyzed with ultrathin sections and transmission electron microscope, with the size of 20-60 nm, the number......
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... separation was proposed to enrich nickel and iron from laterite nickel ores. Results show that nickel–iron concentrates with nickel grade of 6.96%, nickel recovery of 94.06%, iron grade of 34.74......
, the nickel powder was separated from the solution by centrifugal separation, and washed with distilled water followed by ethanol and acetone. The powder was finally dried in a vacuum dry oven at 40 ℃. Gray... Preparation of ultrafine nickel powder by wet chemical process CHEN Rui-ying(陈瑞英), ZHOU Kang-gen(周康根) School of Metallurgical Science and Engineering, Central South University, Changsha 410083......
Ferronickel enrichment by fine particle reduction and magnetic separation from nickel laterite oreXiao-hui Tang1,Run-zao Liu1,Li Yao1,2,Zhi-jun Ji1,Yan-ting Zhang1,3,Shi-qi Li11. School...">Ferronickel enrichment and extraction from nickel laterite ore were studied through reduction and magnetic separation. Reduction experiments were performed using hydrogen and carbon monoxide......
. The basic nickel carbonate was obtained after filtration and separation. Ammonia and carbon dioxide generated during this process were absorbed by the dilute ammonia to produce ammonium carbonate... A green process for recovering nickel from nickeliferous laterite ores ZHAI Yu-chun(翟玉春)1, MU Wen-ning (牟文宁)2, LIU Yan (刘 岩)1, XU Qian(许 茜)1 1. Department of Metallurgical Physical Chemistry......
]. Electrochemistry Communications, 2004, 6(8): 800-804. [15] TONDER G J V, CILLERS P J, MEYER E H O, VEGTER N M, KLUE R, IZATT S R, BRUENING R L. Cobalt and nickel removal from zincor impure electrolyte...; 文献标识码:A Mechanism of cobalt removal from high cobalt zinc sulphate solution with zinc powder ZENG Gui-sheng1, XIE Gang2 (1. School of Environment and Chemical Engineering, Nanchang......
by simple procedures such as scrubbing, bending and heat/quench test does not result in separation of the Ni deposit from the base metal, indicating good adherence. Surface examination of the nickel..., GALOVA M. Influence of boric acid on the electrochemical deposition of Ni [J]. J Solid State Electrochem, 2006, 10: 61-68. [2] GOLODNITKY D, GUDIN N V, VOLYANUK G A. Study of nickel-cobalt alloy......
): 3218-3224. HAN Xi-gang, XI Xiao-li, MA Li-wen, NIE Zuo-ren, ZHOU Zhi-li. Separation properties of ion to cobalt and nickel in complexation-precipitation system[J]. The Chinese Journal of Nonferrous... of cobalt and nickel from aqueous solution[J]. Journal of Molecular & Cellular Cardiology, 2013, 22(1): 415-437. [6] NADIMI H, FATMEHSARI D H, FIROOZI S. Separation of Ni and Co by D2EHPA......