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, 2011(2): 43-49. [6] RAO Ming-jun, LI Guang-hui, JIANG Tao, LUO Jun, ZHANG Yuan-bo, FAN Xiao-hui. Carbothermic reduction of nickeliferous laterite ores for nickel pig iron production in China: A review... sulfate[J]. Minerals Engineering, 2012, 32: 19-26. [8] ZHU D Q, CUI Y. VINING K. HAPUGODA S, DOUGLAS J, PAN J, ZHENG G L. Upgrading low nickel content laterite ores using selective reduction followed......
J. Cent. South Univ. (2021) 28: 1333-1341 DOI: https://doi.org/10.1007/s11771-021-4706-x Effect of particle size on bioleaching of low-grade nickel ore in a column reactor WANG Xin(王欣), YANG Hong... acidithiobacillus (53.11%), leptospirillum (43.52%), and acidiphilium (3.37%). The leaching tests were carried out at pH 2.0 and ~23°C. The Ni leaching rates from ores with particle sizes >10 mm (bioleaching......
. The results indicate that the reaction activity of nickel ores is effectively improved by pre-roasting at 650 °C for 2 h, because of the transformation of lizardite into magnesium olivine... for the development and utilization of nickel laterite ores, along with the rapid growth in stainless steel demand and the gradual depletion of sulfide ore reserves [1,2]. It is calculated......
Preparation of nickel nanoparticles in emulsion ZHANG You-xian(张有贤)1, FU Wen-jie(付文杰)1, AN Xue-qin(安学勤)1, 2 1. College of Resources and Environment, Lanzhou University, Lanzhou 730000, China; 2...; Abstract: The nickel nanoparticles with different sizes and spherical shape......
% (vs mass of raw ore), reductant dosage of 6%(vs mass of raw ore) and heating rate of 5 ℃/min, the chloridizing segregation of nickel laterite ores from Philippines was carried out, and the phase transformation of chloridizing segregation of nickel laterite ores at temperatures up to1 000 ℃ and the phase reversibility with cooling were investigated by TG-DTA and XRD. The results show that the Fe......
composition of nickel ores, the requests for the decrease of production costs, and the increase of nickel extraction in the existing depletion of high-grade sulfide ores around the world, computer...Computer modeling of high-pressure leaching process of nickel laterite by design of experiments and neural networksSrecko Stopic2,Bernd Friedrich2,Boban Stojanovic32. IME Process Metallurgy and Metal......
to selectively extract specific metals from laterite ores. Citric acid was proved to be the most effective organic acid to extract nickel from serpentine-type laterite ores, but inefficient to leach nickel from limonite-type laterite ores due to its low reactivity with goethite, in which nickel was involved[6-7]. In this work, extraction of cobalt from limonite-type laterite ores was studied by citric......
(DSX) process for purifying nickel and cobalt from the nitric acid leach solution of nickel laterite ores was conceived and experimentally probed. The proposed process consists of two solvent...Process development for the direct solvent extraction of nickel and cobalt from nitrate solution: aluminum, cobalt, and nickel separation using Cyanex 272Zela T.Ichlas,Don C.IbanaLeaching......
Introduction Nickel can be produced from laterite ores by reduction-smelting process [1] or from sulfide ores by roasting-smelting process [2], and both of these processes generate slags, which will not only...Trans. Nonferrous Met. Soc. China 23(2013) 3421-3427 Utilization of nickel slag using selective reduction followed by magnetic separation Jian PAN, Guo-lin ZHENG, De-qing ZHU, Xian-lin ZHOU School......
has been harnessed to extract uranium and cobalt, and other metals, including nickel and zinc, will be bioleached from complex polymetallic ores in a heap leaching operation that is currently... Biodiversity and interactions of acidophiles: Key to understanding and optimizing microbial processing of ores and concentrates D. B. JOHNSON School of Biological Sciences......