High Grade Ferronickel Concentrates Prepared from Laterite Nickel Ore

The researchers used a carbothermal reduction and magnetic separation process with laterite nickel ore and anthracite They experimented with different additives CaF2 Na2SO4 and H3BO3 carbon ratio and grinding time to optimize the recovery and grade of ferronickel concentrates

STUDY ON SELECTIVE REDUCTION AND MAGNETIC

Keywords nickel laterite ore selective reduction roasting magnetic separation Q LI et al XXV INTERNATIONAL MINERAL PROCESSING CONGRESS IMPC 2010 PROCEEDINGS / BRISBANE QLD AUSTRALIA / 6

Types of Mining Magnetic Separators Mineral

6 Nickel ores mainly include copper nickel sulfide ore and nickel oxide ore laterite nickel ore The most important is the nickel ore flotation process magnetic separation and gravity separation are usually auxiliary beneficiation We can customize nickel ore beneficiation process and equipment to achieve comprehensive utilization of resources and economic benefits

Effect of CaF2 on the aggregation and growth of

Increasing attention is being paidto the self reduction and magnetic separation of nickel laterite ore because of economic and efficiency advantages The aggregation and growth of ferronickel

Materials Free Full Text High Grade Ferronickel

Open Access Policy Institutional Open Access Program Special Issues Guidelines Editorial Process Research and Publication Ethics Article Processing Charges Awards Testimonials Editing Services H High Grade Ferronickel Concentrates Prepared from Laterite Nickel Ore by a Carbothermal Reduction and Magnetic Separation Method Materials 2023

Study on selective reduction and magnetic separation of low

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

Innovative process for preparing ferronickel materials from

An innovative process for preparing ferronickel materials from laterite ore by reduction roasting magnetic separation in the presence of additives was proposed and the effect of additives on reducing roasting magnetic separation of laterite ore and the technical parameters of roasting and magnetic separation were results show that the sodium salt additives are not

Metals Free Full Text Production of Ferronickel

Feature papers represent the most advanced research with significant potential for high impact in the field A Feature Paper should be a substantial original Article that involves several techniques or approaches provides an outlook for future research directions and describes possible research applications

Nickel recovery in ferronickel concentrate by green selective

The reduction of saprolite nickel ore produces ferronickel grains that are much smaller than those from limonite ore enhancing the degree of ferronickel liberation from impurities during the wet magnetic separation process [43] Additionally the low Ni recovery is attributed to Ni being a minor element in saprolite nickel ore [39]

Valorization of Solid Residue from the Lateritic Nickel

The reduction followed b y the magnetic separation RMS process has been de veloped as an alternativ e process in pyrometallurgy of nickel laterite processing to produce ferronickel Zhu et al 2012 ; Wang et al 2017 ; Suharno et al 2023 It has some adv antages compared with the conv entional method such

Selective Reduction of Laterite Nickel Ore J STAGE

Unlike sulphide nickel ore processing laterite nickel ore processing requires higher processing energy through smelting The novel method is done via direct reduction and magnetic separation In laterite nickel processing by direct reduction the challenges are to conduct selective reduction of nickel and to let iron unreduced The

Roasting and Leaching Behavior of Nickel Laterite Ore

Abstract Nickel is mostly extracted from sulfide ores however laterite ores account for over 60 pct of all nickel resources in the world and despite its predominance there is no well established process to extract nickel from such ores Nickel in laterites is hosted in many different compounds such as oxides hydroxides and silicates minerals The sulfation roasting

Solid State Extraction of Nickel from Nickel Sulfide Concentrates

The fundamental basis for this alternate process is the thermodynamics of Fe Ni S system showing that iron can substitute nickel in Fe Ni x S y resulting in the precipitation of FeNi alloy Fig 1 depicts the Fe Ni S phase diagram at 950 °C in which the Pn composition is marked by a solid square near the middle of the diagram At this temperature

Roasting and Leaching Behavior of Nickel Laterite Ore

Abstract Nickel is mostly extracted from sulfide ores however laterite ores account for over 60 pct of all nickel resources in the world and despite its predominance there is no well established process to extract nickel from such ores Nickel in laterites is hosted in many different compounds such as oxides hydroxides and silicates minerals The sulfation roasting

Preparation of Nickel Iron Concentrate from Low Grade Laterite Nickel

In this paper the process of solid state metalized reduction and magnetic separation was investigated for preparation of nickel iron concentrate from a low grade laterite nickel ore

Characterization of a Nickel Sulfide Concentrate

The combined treatment of low grade laterite nickel ore by fire and wet process is a research focus at present mainly including chlorination separation magnetic separation reduced sulfide roasting magnetic separation direct reduction and magnetic separation 13 14 Wang et al 15 adopted direct reduction and magnetic separation technology

Magnetic Separation of Impurities from Hydrometallurgy Solutions and

The new process can promote iron precipitate aggregation and growth on the surface of the magnetic iron ore seeds A core shell structure was formed of iron precipitate and magnetic iron ore seeds which can be magnetized and coalesced in magnetic field accelerating the solid liquid separation The efficient magnetic flocculation and

Improve Mineral Processing Efficiency By Magnetic Separator

5 Magnetic separator is the basic tool used by mineral processing plants to separate ferrous and non ferrous metals from extracted ore ensuring high quality final products Its works by attracting magnetic particles such as iron steel and nickel and then using powerful magnets or electromagnets to separate these particles from other materials

Innovative process for preparing ferronickel materials from

An innovative process for preparing ferronickel materials from laterite ore by reduction roasting magnetic separation in the presence of additives was proposed and the effect of additives on reducing roasting magnetic separation of laterite ore and the technical parameters of roasting and magnetic separation were results show that the sodium salt additives are not

Extraction of Ferronickel Concentrate by Reduction

magnetic separation of ferronickel concentrate was adopted and focused on the influence of compound additives on the reduction roasting process of laterite nickel ore in order to efficiently enrich low grade laterite nickel ore the process was short low energy consumption good economic and environmental benefits 2 Material and Methods

Selective reduction of nickel from lateritic ore using Na2SO4

The reduction process of laterite nickel ore using NH 3 gas both with and without the addition of Na 2 SO 4 Ferronickel enrichment by fine particle reduction and magnetic separation from nickel laterite ore Int J Miner Metall Mater 21 2014 pp 955 961 /s12613 014 0995 5

Extraction of ferronickel concentrate from laterite nickel ore

DOI / Corpus ID 259620999; Extraction of ferronickel concentrate from laterite nickel ore by reduction roasting magnetic separation using spent cathode carbon

Selective Reduction of Laterite Nickel Ore J STAGE

Unlike sulphide nickel ore processing laterite nickel ore processing requires higher processing energy through smelting The novel method is done via direct reduction and magnetic separation In laterite nickel processing by direct reduction the challenges are to conduct selective reduction of nickel and to let iron unreduced The

Pre concentration of nickel in laterite ores using physical separation

Of course upgrading nickel using magnetic separation highly depends on the ore mineralogy and mineral liberation and if nickel is associated with magnetic minerals Table 3 also shows that the percentage of iron increases by 70% in the magnetic product for ores S and I but not for ore L On the other hand more silicon bearing minerals

Efficient enrichment of nickel and iron in laterite nickel ore

The process of deep reduction and magnetic separation was proposed to enrich nickel and iron from laterite nickel ores Results show that nickel iron concentrates with nickel grade of % nickel recovery of % iron grade of % and iron recovery of % could be obtained after magnetic separation under the conditions of reduction temperature of