Subsolidus Phase Equilibria of the Fe-Ni-O System

Rhamdhani, M. Akbar; Hayes, Peter C.; Jak, Evgueni

doi:10.1007/s11663-008-9174-2

Cited by 56 publications

(55 citation statements)

References 20 publications

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“…Lizardite transformed into olivine through reaction (3) based on the rise of olivine peaks at 2θ angles of 32.3, 36.6, and 52.4. This transformation is also in agreement with the previous study of Rhamdhani [7].…”

Section: Properties Of Materialssupporting

confidence: 93%

Study on biomass performance in reduction of nickel laterite from Pomalaa, Sulawesi Tenggara

Rasyid¹,

Rizky²,

Diga³

et al. 2016

AIP Conference Proceedings

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Abstract. Reduction of nickel laterite to form Nickel Pig Iron has turned into one of a breakthrough in facing the scarcity of sulfide ore. In this study, the effect of using different reducing agent and different type of nickel laterite to produce Nickel Pig Iron was investigated.The nickel laterite, saprolite and limonite were reduced by antrachite coal, lamtoro charcoal, coconout shell charcoal, and carbon riser, under the temperature ranged from 800to 1000⁰C. The higher the temperature, and the longer it was kept at high temperature, the more complete the reduction process. According to some analysis, the saprolite gives more Ni content than limonite. The X-Ray Powder Diffraction (XRD) analysis has indicated that the type of carbon used in the process greatly influences the nickel laterite rate of reduction. Also, biomass as reducing agent gives an almost similar reactivity as coal-based reducing agent. It means biomass reducing agent can be classified as a good reducing agent in the reduction process.

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Section: Properties Of Materialssupporting

confidence: 93%

Study on biomass performance in reduction of nickel laterite from Pomalaa, Sulawesi Tenggara

Rasyid¹,

Rizky²,

Diga³

et al. 2016

AIP Conference Proceedings

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“…, 44,48 synthetic preparation of phase-pure 10 at% Fe-doped NiO has been previously reported. 47 Here, we present mixed metal nickel−iron oxide nanoparticles possessing a rocksalt crystal structure, synthesized via solution-phase decomposition of metal oleate precursors.…”

Section: ■ Introductionmentioning

confidence: 99%

Nickel/Iron Oxide Nanocrystals with a Nonequilibrium Phase: Controlling Size, Shape, and Composition

Bau

Marenco

et al. 2014

Chem. Mater.

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“…[2] Detailed thermodynamic information on the phase equilibria in the Fe-Ni-X-O and Fe-Ni-X-Si-O (X = Mg, Al, Cr) systems, including information on the nickel distribution between the phases present, is vital for the control of the reduction roasting process and to achieve maximum nickel extraction. It has been shown previously [3,4] that the optimum conditions, from the thermodynamic point of view (e.g., temperature and effective oxygen partial pressure), are different for the processing of limonitic and saprolitic laterite ores.…”

Section: Introductionmentioning

confidence: 99%

Subsolidus Phase Equilibria of Fe-Ni-X-O (X = Mg, Al) Systems in Air

Rhamdhani

Hidayat

Hayes

et al. 2009

Metall Mater Trans B

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The phase equilibria of Fe-Ni-X-O (X = Mg, Al) systems, including their lower-order systems, at temperatures between 1200°C and 1600°C in air in the subsolidus region, have been experimentally studied. In the present study, the 'Fe 2 O 3 '-MgO, 'Fe 2 O 3 '-Al 2 O 3 , and NiO-Al 2 O 3 binary phase diagrams, as well as the ternary phase diagrams in the Fe-Ni-Mg-O and Fe-Ni-Al-O systems projected onto the Fe-Mg-Ni and Fe-Al-Ni planes, have been constructed. Differences have been found between the present measurements, the previously published data, and the FactSage predictions, especially in the lower-order systems. It is suggested that the improved experimental techniques used in the present study, which involve carefully planned equilibration procedures followed by electron probe X-ray microanalyses (EPMA), provide more accurate and precise measurements of the phase boundaries and phase compositions.

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Subsolidus Phase Equilibria of the Fe-Ni-O System

Cited by 56 publications

References 20 publications

Study on biomass performance in reduction of nickel laterite from Pomalaa, Sulawesi Tenggara

Study on biomass performance in reduction of nickel laterite from Pomalaa, Sulawesi Tenggara

Nickel/Iron Oxide Nanocrystals with a Nonequilibrium Phase: Controlling Size, Shape, and Composition

Subsolidus Phase Equilibria of Fe-Ni-X-O (X = Mg, Al) Systems in Air

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