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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... laterite ores. First of all, silicon and magnesium were removed from lateritic ore by high concentration sodium hydroxide leaching and carbonation respectively, so as to enrich nickel. Then the method......
Leaching of magnesium from desiliconization slag of nickel laterite ores by carbonation process MU Wen-ning(牟文宁)1, ZHAI Yu-chun(翟玉春)2, LIU Yan (刘 岩)2 1. Department of Materials Science... ores; magnesium; carbonatation; leaching; kinetics ____________________________________________________________________________________________ 1 Introduction Nickel laterite ores are formed......
____________________________________________________________________________________________ Abstract: The application of microwave technique in the hydrometallurgy of nickel laterite ores was described. The mixture of nickel laterite ores and sulfuric acid was pre-treated... diffraction pattern of laterite ore sample As a typical experimental procedure, the mixture of 30.00 g nickel laterite ores and sulfuric acid with predetermined mass ratio of acid to ore was pre-treated......
; 1 Introduction In recent years, there is an increasing focus on the utilization of nickel laterite ores, along with the growing of the demand for stainless...% of the world’s nickel production[5-7]. Nickeliferous laterite ores deposits are formed by the chemical weathering of nickeliferous peridotite rock under humid climates[8-9]. Through weathering processes......
method was developed to synthesize Co3O4 nanoparticles using cobalt liquor obtained from the atmospheric pressure acid leaching process of nickel laterite ores. The effects of the precursor reaction...Synthesis and characterization of Co3O4 prepared from atmospheric pressure acid leach liquors of nickel laterite oresLong Meng1,2,3,Zhan-cheng Guo2,Jing-kui Qu1,3,Tao Qi1,3,Qiang Guo1,3,4,Gui-hua......
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......
in the world consumption of nickel and the shortage of sulfide ores, the laterite has become significant source of nickel. It is reported that 72% of the world land-based nickel resources originated from... nickel ores [J]. Transactions of Indian Institute of Metals, 1980, 33: 161-165. [4] VALIX M, CHEUNG W H. Effect of sulfur on the mineral phases of laterite ores at high temperature reduction [J......
oxide ores [3]. It is anticipated that about half primary nickel will be produced from nickeliferous laterite ores after 2012 [4-5]. At present, hydrometallurgical processes are more applicable...- temperature ammonia leaching, high pressure acid leaching, atmospheric pressure leaching, and dump leaching [10-22] are the alternative processes to extract nickel and cobalt from nickeliferous laterite ores......
; 文章编号:1672-7207(2017)08-1972-07 Recovery of MgO from laterite nickel slag through roasting by ammonium sulfate ZHAO Changming1, 2, CAI Yonghong1, 3, NING Zhe1, 2, WANG..., Shenyang 110004, China) Abstract: The circulation process of sulfation roasting laterite nickel slag using ammonium sulfate was designed to overcome the defects of traditional process, such as severe......
, KHASANOV M S, OLYUNINA T V, GONCHAROV K V, KOP’EV D Y. Development of a new combined process for nickel and cobalt recovery from ferriferous laterite ores [J]. Russian Metallurgy (Metally), 2019... J. Cent. South Univ. (2020) 27: 3249-3258 DOI: https://doi.org/10.1007/s11771-020-4463-2 Nitric acid pressure leaching of limonitic laterite ores: Regeneration of HNO3 and simultaneous synthesis......
