STUDY ON SELECTIVE REDUCTION AND MAGNETIC
·The tested ore in this study was of limonitic nickel laterite type which contains low nickel and high iron as shown in Table 1 This laterite is characterised by lower nickel grade of per
Study on selective reduction and magnetic separation of low
·Effect of reductant addition on the grade and recovery of nickel and iron with 3% calcium sulphate addition Li et al 2010 Li et al 2011 studied the reduction of nickel laterite ore while
Selection Of Nickel Ore Beneficiation Process & Equipment
2 ·Nickel ore mainly includes sulfide copper nickel ore and nickel oxide ore latterite nickel ore The beneficiation and processing methods of the two are quite different different beneficiation methods are selected according to the grade of nickel sulfide ore and then nickel is prepared in different ways; the smelting methods of nickel oxide ore are generally divided into
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Extraction of Nickel from Magnesia Nickel Silicate Ore
·Abstract In this study magnesia nickel silicate ore was investigated which contained % Ni and antigorite chlorite magnetite Fe3O4 quartz and mica as the main minerals Chloride roasting and magnetic separation were used to treat the ore The addition of red mud enhanced the transformation of nickel silicate to a strongly magnetic mineral mainly
Production of Ferronickel Concentrate from Low Grade Nickel
The production of ferronickel concentrate from low grade nickel laterite ore containing % nickel Ni was studied by the non melting reduction magnetic separation process The sodium chloride was used as additive and coal as a reductant The effects of roasting temperature roasting duration reductant dosage additive dosage and grinding time on the grade and
Upgrading nickel content of limonite nickel ore through
·limonite and saprolite ore with rasio 6 4 which was mixed with 5% coal and 6% CaSO4 to the selective reduction process at 1100ºC for 60 minutes and obtained upgrading Ni content from % to 6
Pre concentration of nickel in laterite ores using physical separation
·Nickel is upgraded by 17% and 36% for ore S and I respectively There is no change in the nickel grade of ore L using the Falcon similarly to what was obtained using the magnetic separation The XRD analysis of the light fraction of the Falcon concentrator for the ore S and I samples is presented in Fig 4 It seems that both particle size
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