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Feb 27, 2021 Nickel Ni is ferromagnetic in nature, because of the parallel alignment of its 2 unpaired electrons or spins in presence of an external magnetic field. Nickel holds its magnetic property even in absence of any magnetic field, which gives permanent magnetization to it. Nickel exists as a silvery-white lustrous metal with a tinge of gold.
Nov 01, 2020 The magnetic separation efficiency of nickel from the laterite ore was evaluated using the recovery ratio of nickel R ni using the formula 1 R Ni m Ni Ni M Ni Ni 100 where m Ni is the mass of the magnetic product, g Ni is the nickel content in the magnetic product, wt. M Ni is the mass of the reduction product, g and Ni is the nickel content in the reduced laterite
In this study, segregation roasting and magnetic separation are used to extract nickel from a garnierite laterite ore. The garnierite laterite ore containing 0.72 Ni, 0.029 Co, 8.65 Fe, 29.66 MgO, and 37.86 SiO2 was collected in the Mojiang area of China. Garnierite was the Ni-bearing mineral the other main minerals were potash feldspar, forsterite, tremolite,
magnetic separator for nickel ore - studiotundo. Magnetic separation of the reduced products was conducted using a SLon-100 cycle pulsating magnetic separator 12 T Composition analysis indicates that the nickel laterite ore contains a total iron content of 2250wt and a total nickel content of 191wt Its mineral composition mainly consists of serpentine, hortonolite,
Magnetic properties of chromium-containing laterites from the Philippines and Vourinos deposit, Greece, were investigated. Magnetic properties of the main minerals in the ore, chromite and limonite, were investigated by means of laboratory Franz isodynamic magnetizer.
During the pyrometallurgical treatment of the nickel-bearing laterite in the plant of G.M.M. S.A. LARCO, slag is produced after treatment in electric-arc furnace EAF that contains 0.10 to
Dec 21, 2017 Nickel laterite ore and zinc-bearing dust are multi-metal-associated and intractable resources. Comprehensive and cooperative utilization of zinc-bearing dust and nickel laterite ore for the preparation of spinel ferrites with enhanced magnetic properties by a facile process was proposed. The structure and magnetic properties of as-prepared spinel ferrites
Keywords nickel garnierite laterite ore segregation roasting magnetic separation 1. Introduction Nickel, as a national strategic reserve metal, is not only a threat to the sustainable development of the national economy but also a potential major
A method for smelting ferronickel alloy from laterite nickel oxide ore belongs to the ferronickel alloy smelting technical field. A direct reduction technique of carbon-bearing pellets in a rotary hearth furnace is adopted to reduce the nickel oxide in nickel ores to iron and nickel then iron and nickel are smelted the solid solutions of nickel and iron are agglomerated, cooled,
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