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in the equatorial regions. Nickel laterites and other oxide ores constitute an important part of the world reserves of nickel. Laterites formed by weathering of ultramafic rocks. Lateritic deposits... for metal recovery from bioleaching of nickel laterite ores [J]. Minerals Engineering, 2006, 19: 1280-1289. [13] AGACAYAK T, ZEDEF V. Dissolution kinetics of a lateritic nickel ore in sulphuric acid......
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...]. Hydrometallurgy, 2003, 69(1/3): 89-98. [10] PANDA S C, SUKLA L B, RAO P K, JENA P K. Extraction of nickel through reduction roasting and ammoniacal leaching of lateritic nickel ores [J]. Trans Indian......
Dissolution behavior of Caldag lateritic nickel ore subjected to a sequential organic acid leaching methodSait Kursunoglu,Muammer KayaDepartment of Mining Engineering, Eskisehir Osmangazi University摘 要:The dissolution behavior of Caldag lateritic nickel ore subjected to a sequential organic acid leaching method was investigated. The effects of the type......
]. Minerals Engineering, 2011, 24: 620-624. [13] BOSECKER K. Leaching of lateritic nickel ores with heterotrophic microorganisms [J]. Acta Biotechnologica, 1987, 7: 389-399. [14] COTO O, BRUGUERA N, Y... of citric acid and other acids in leaching of low-grade Indonesian saprolitic ores [J]. Minerals Engineering, 2016, 85: 1-16. [22] KURSUNOGLU S. Recovery of nickel and cobalt from Caldag lateritic nickel......
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......
. Various hydrometallurgical processes have been tried to extract nickel and cobalt from these lateritic ores, which involved ammonia-ammonium carbonate leaching [3-4], atmospheric leaching with sulfuric... 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......
, the mechanism and technology of segregation roasting of oxide nickel ores and pure nickel sulphate were studied [16-17]. Pre-roasting can change the mineral structure [18], and VALIX and CHEUNG [19] even... Xi-chang, LI Jun-li. Study on recovering molybdenum from rocky-select Ni-Mo ores [J]. Hunan Nonferrous Metals, 2007, 23(1): 9-12. (in Chinese) [8] CARON M H. Ammonia leaching of nickel and cobalt ores......
in recent years [2]. Of all the land nickel reserves, 30% exists as sulfide ores with the balance comprised of oxide ores. The oxide ores are typically referred to as nickel laterite ores [3]. In traditional nickel industries, about 60% of the metal nickel was produced from sulfide ores about ten years ago [4]. However, miners of nickel sulfide ores have been confronted with increasing challenges......
____________________________________________________________________________________________ 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......
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......