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Nonferrous Metallurgy, 2013(5): 57-60. [5] RAO Minghui, LI Guanghui, JIANG Tao, et al. Carbothermic reduction of nickeliferous laterite ores for nickel pig iron production in china: A review[J...]. Minerals Engineering, 2010, 23(4): 282-288. [7] ZHU Deqing, CUI Yu, Vining K, et al. Upgrading low nickel content laterite ores using selective reduction followed by magnetic separation[J......
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... mud addition promoted the reduction of the saprolitic laterite ore and the iron ores in the red mud were co-reduced and recovered.By adding 35wt%red mud,the nickel grade and recovery were 4.90wt......
for 65%, but now 60% of nickel is produced commercially from sulfide ores[3-4]. However, as the rapid development of industry and the decreasing reserves of sulfide ores, laterite is becoming... for the extraction of nickel and cobalt from nickeliferous laterite ores, which involve ammonia- ammonium carbonate leaching[7], sulfation-roasting- leaching[8], atmospheric acid leaching[9] and high......
]. Beijing: University of Science & Technology Beijing, 2013. [4] RAO M, LI G, JIANG T, LUO J, ZHANG Y B, FAN X H. Carbothermic reduction of nickeliferous laterite ores for nickel pig iron production... of nickel laterite ores in the selective reduction roasting process[J]. Journal of University of Science and Technology Beijing, 2013, 35(1): 27-34. [9] 曹志成, 孙体昌, 杨慧芬, 王静静, 仵晓丹. 红土镍矿直接还原焙烧磁选回收铁镍[J]. 北京科技大学学......
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......
, China) Abstract: The worldwide processing status of nickel laterite ores is reviewed. The overall exploration of laterite nickel needs to consider the contents of nickel and cobalt in ores, ore types... kettle. The engineering integration in laterite nickel ores is still inadequate in China, for instance, the product distribution and economic utilization of magnesium must be systematically......
Pilot scale test of producing nickel concentrate from low-grade saprolitic laterite by direct reduction-magnetic separationZHENG Guo-lin(郑国林)1, ZHU De-qing(朱德庆)1, PAN Jian(潘建)1, LI Qi-hou(李启厚) 2...:low-grade saprolitic laterite; direct reduction; magnetic separation; pelletization; segmented grinding; nickel concentrate......
:A Leaching nickel and removing Fe from garnierite of transition layer nickel laterite ores WANG Duo-dong1, 2, ZHAO Zhong-wei1, CHEN Ai-liang1, HUO Guang-sheng1, CHEN Xing-yu1 (1. School... words: transition layer; nickel laterite ores; garnierite, nickel leaching rate; Na-jarosite precipitation 世界镍产量中70%来自硫化镍矿,随着可经济利用的硫化镍矿的日益枯竭,占镍资源70% 的氧化镍矿的经济开发已成为当今镍冶金讨论的热点[1]. 红土镍矿从上到下分为铁帽,褐铁矿层,过渡层,腐植......
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... nickel laterite ores currently [5]. The main reasons for limiting the development and utilization of the laterite ores are the economic factors of treating processes. Therefore, developing reasonable......
Society of China, 2012, 22(4): 907-916. [13] FARROKHPAY S, FILIPPOV L. Challenges in processing nickel laterite ores by flotation[J]. International Journal of Mineral Processing, 2016, 151: 59-67. [14] 马明生... to reduce the abrasion of chromite to hydrometallurgical equipment of laterite nickel ore, the process mineralogy parameters of raw ore were characterized systematically and the process of "coarse and fine......
