Comprehensive utilization of Philippine laterite ore, part 1: Design …

The XRD pattern of the laterite ore is shown in Fig. 1. The laterite ore is poorly crystalline but a typical limonitic laterite (Dalvi et al., 2004), which predominantly consists of …

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Preconcentration strategies in the processing of nickel laterite …

The downside of the upgrading of the laterite ore is the loss of Ni in the rejected material from the preconcentration stage of the process. This loss is the consequence of the …

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Ore

An ore (or ore deposit) ... Podiform serpentinite-hosted paramagmatic iron oxide-chromite deposits: typified by Savage River iron ore, Tasmania, Coobina chromite deposit; Banded iron …

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An investigation into the co-sintering process of limonitic nickel

Hence, considering the difference in the granulation properties of limonitic nickel laterite and low-grade chromite ores, it is conceivable that the two ores can be agglomerated …

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Integrated geological and geophysical studies for delineation of

Nearly all these chromite deposits in Sukinda valley have been identified on the basis of surface exposures and are currently being mined (Mukerjee, 1992). However, the …

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Mineral resource of the month: Chromium | U.S. Geological …

Although chromium is a metal, it does not occur naturally in metallic form. Chromium can be found in many minerals, but the only economically significant chromium-bearing …

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Chromite: The only mineral ore of chromium metal

Chromite is the only ore of chromium, a metal essential for making stainless steel, nichrome, chrome plating, pigments, refractories, chemicals and pharmaceuticals. ... Chromite is found in …

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Enhancement of nickel laterite ore bioleaching by

Interest in low-grade Ni-laterite ores has increased in recent years; however, the laterite process has proven technically difficult and costly, and the development of alternative …

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Laterite Chrome Ore Dressing

Laterite chrome ore dressing, also known as chromite ore dressing, involves separating the chromite mineral from its host rock and other impurities. The process must address high iron, …

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The State of Existence and Characteristics of …

The results obtained are summarized as follows: (1) The state of chromium in the lateritic residue. There are two kinds of chromium, one is insoluble and the other is soluble to HCl. The former...

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Chromite: Mineral information, data and localities.

Chromite is the most important chromium ore mineral. It forms a complete solid solution series with many other members of the group, eg. in the Chromite-Hercynite Series, Chromite-Spinel …

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Mineral Resource of the Month: Chromium

Chromite has been mined from four different deposit types: stratiform chromite, podiform chromite, placer chromite, and laterite deposits. Most of the world's resources, …

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Geochemical features of nickel-laterite deposits from the Balkan

The unusual presence of Mn, Zn Co in chromite in the saprolite zone in the Ni-laterite ore of the Kastoria deposit, in the deposits of Bitincka (Albania), Rzanovo (FYROM), …

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Genesis of Low-Grade Chromite Ore Deposits in Lateritic

These mixed soils often occur as transported soils above non-ultramafic rocks. The abundance of chromite and the content of magnetite, ilmenite and rutile in the limonitic laterite vary …

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Preparation of Nickel–Iron Concentrate from Low-Grade Laterite …

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 …

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EXECUTIVE SUMMARY

rate of Nickel Laterite Ore at 2,000,000 DMT per year and the surface and underground mining rate of 415,800 MT per year of Chromite Lode (lumpy and milling grade) and 315,000 MT per …

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Chromite

Chromite (Cr) occurs exclusively in mafic and ultramafic igneous rocks (Papp and Lipin, 2006).Although some Cr-based minerals such as crocoite (PbCrO 4), vauquelinite (Pb 2 …

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Syngas production through multi-cycle chemical looping of chromite

Laterite ore is a mining waste generated from chromite mines. Laterite ore was selected for this study because of its composition, which contains a good amount of iron oxide. …

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Selective removal of chromium from laterite residue with high …

The hydrometallurgical process is primarily employed in treating limonitic laterite nickel ore, which predominantly consists of goethite, limonite, and chromite. The primary …

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Direct smelting process for stainless steel crude alloy recovery …

The smelting of 10-13% SCO chromite ore and 87-90% LIM laterite ore produced alloys with average iron, nickel and chromium content about 82%, 6.22% and 2.17%, respectively, at an …

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Fe-Ni-Cr Crude Alloy Production from Direct Smelting of …

SCO chromite ore and 87 – 90% LIM laterite ore produced alloys with average iron, nickel and chromium content about 82%, 6.22% and 2.17%, respectively, at an average iron, nickel and …

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Immobilization of Chromium by Iron Oxides in Nickel–Cobalt Laterite

Mine tailings generated from hydrometallurgical processing of nickel–cobalt laterite deposits contain high levels of chromium (Cr), with the hexavalent species being a toxic …

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Effect of manganese ore and basicity on the consolidation

Furthermore, the low-grade nickel laterite, chromite and manganese ore have gradually become the main resources of nickel, chromium and manganese respectively with …

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Fe-Ni-Cr Crude Alloy Production from Direct Smelting of …

Ferrochromium and ferronickel which are obtained from the reduction of chromite and laterite ores, respec-tively, are the important alloying materials in the produc-tion of stainless steel.

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Morphology, composition and dissolution of chromite in the Goro

Chromite morphology indicate formation in a supersaturated parent melt under changing cooling conditions. Chromite geochemistry indicate a highly depleted and reduced …

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Effective separation and recovery of iron and chromium from laterite

The Fe 2p1/2 peaks at 723.4 and 725.2 eV can match the binding energy of Fe(II) and Fe(III) in the limonitic laterite ore, whereas the Fe 2p3/2 peaks at 710.0 and 711.6 eV were …

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Zoned chromites with high Mn-contents in the Fe-Ni-Cr-laterite ore

The mineralogy of the transported Fe-Ni-Cr-laterite ore bodies from the Edessa area in Northern Greece was studied. The special emphasis was on the textural features and chemistry of …

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Feasibility Exploration of the Efficient Recovery of Chromium from …

The study highlights the necessity of a comprehensive prediction of chromium recovery from lateritic nickel deposits by considering three critical aspects: the granularity …

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Recovery of nickel and cobalt from low-grade Ni-laterite ore of …

However, bioleaching of nickel and cobalt from lateritic ore are in laboratory scale only. Further work is required to better understand the bioleaching process and identification of more …

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