·In this paper the reduction roasting magnetic separation process is used to study the method of preparing ferronickel concentrates from low grade laterite nickel ore under the action of composite
·The hydrometallurgical process of nickel laterite leavesa residue that still contains critical metals such as iron and nickel Its utilization can improve overall process efficiency and reduce environmental damage In this work the recovery of nickel and iron from nickel residue resulting from the citric acid leach process has been carried out using the
·Magnetic separation Magnetic separation is used to separate nickel minerals that are magnetic from non magnetic gangue minerals Magnetic separators apply a magnetic field to attract and separate magnetic particles from the ore Flotation Flotation is a widely used beneficiation technique for nickel ores
·Nickel a valued metal mainly exists as nickel oxide in laterite nickel ore Furthermore a large part of the laterite nickel ore is low grade saprolitic ore In this paper a research on preparing ferro nickel alloy from low grade saprolitic laterite nickel ore using metallized reduction magnetic separation was studied In the research the carbothermic
·Nevertheless when reduction roasting magnetic separation is used to treat laterite nickel ore with low nickel content increasing the dosage by approximately 8 20% inevitably reduces equipment life and increases cost Liu et al 2021 Therefore improving the grades and recoveries of iron and nickel is of major significance
·In this study segregation roasting and magnetic separation are used to extract nickel from a garnierite laterite ore The garnierite laterite ore containing % Ni % Co % Fe % MgO and % SiO2 was collected in the Mojiang area of China Garnierite was the Ni bearing mineral; the other main minerals were potash feldspar forsterite tremolite
·Nickel is widely used in industrial processes and plays a crucial role in many applications However most of the nickel resource mainly exists as nickel oxide in laterite nickel ore with complex composition resulting in difficulty in upgrading the nickel content using physical separation methods In this study high grade ferronickel concentrates were obtained through a
·An effective process of selective reduction roasting wet magnetic separation was studied to manufacture high nickel concentrate from tropical low grade nickel laterite ore obtained from Indonesia
·Reduced Ore Magnetic Separation Keywords Residue nickel · Reduction process · Magnetic separation process · Ferronickel Introduction Nickel laterite has complex chemical compounds resulting in diculties in improving its critical metals such as iron nickel and cobalt through a physical beneciation process [1 2]
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