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Production of Nickel Concentrate from Ground Sulfide Ore

The effect of high intensity conditioning before flotation on hydrophobic flocculation of sulfide minerals and its relationship with flotation of low-grade copper-nickel sulfide ore were ...

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The selective flotation of pentlandite from a nickel ore

In batch tests on an ore containing pentlandite, pyrrhotite, pyrite and talc the procedure rejected 57% of the iron sulphides and 98% of the talc and recovered 81% of the nickel in a concentrate assaying 16.5% Ni. ... ores frequently contain high levels of pyrrhotite which if concentrated with pentlandite raise SO2 emissions during smelting ...

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The selective flotation of pentlandite from a nickel ore

In batch tests on an ore containing pentlandite, pyrrhotite, pyrite and talc the procedure rejected 57% of the iron sulphides and 98% of the talc and recovered 81% of …

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Limit of recovery: How future evolution of ore grades could …

After analyzing various Nickel-bearing minerals, it was decided to use pentlandite as the primary mineral ore (Alves Dias et al., 2018, Rao, 2000). Pentlandite has the highest Nickel concentration, implying lower specific energy when compared with other minerals. ... In mined ore After flotation After smelting & converting; Ni: 1.5–2.5: …

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Unlocking Nickel's Potential: Production Methods from Pentlandite Oxide Ore

Nickel is a versatile metal with numerous industrial applications, making it a valuable resource in today's world. One of the primary sources of nickel extraction is pentlandite oxide ore. In this article, we will explore the various production methods used to extract nickel from pentlandite oxide ore, highlighting their processes, advantages, and …

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Advanced study on the extraction of Nickel from its ores

The mined ores (1–4% Ni) are processed to upgrade the metal content with 10–20% Ni in the concentrates. Thus, the preconcentration of nickel ores is an important unit operation …

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A survey on cobalt metallurgical processes and its application

An alternative material to reduce a nonferrous bath smelting processes is Plastic-containing shredder residue that ... Pentlandite (Fe, Ni) 9 S 8. 0.025%: Garnierite (NiMg) 6 Si 4 ... on the body or deposit type, which may include substantial quantities of cobalt, this technique can be used. When the ore body is far away, such as within 100 m ...

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Unlocking Nickel's Potential: Production Methods from Pentlandite Oxide Ore

Nickel is a versatile metal with numerous industrial applications, making it a valuable resource in today's world. One of the primary sources of nickel extraction is pentlandite oxide ore. In this article, we will explore the various production methods used to extract nickel from pentlandite oxide ore, highlighting their processes, advantages, …

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NICKEL AND COBALT ORES: FLOTATION

Ore source Nickel distribution (%) Sulfur distribution (%) Pentlandite Pyrrhotite Pentlandite Chalcopyrite Pyrrhotite Sudbury 87.0 13.0 12.5 9.8 77.7 Thompson 94.8 5.20 20.1 1.5 78.4 Shebandowan 91.8 8.20 16.0 7.6 76.4 (Reprinted from Agar GE (1991) with permission from Elsevier Science.) amounts of pyrrhotite in this way, the concomitant

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New Hydrometallurgical Process for Nickel Extraction from Limonite Ore

"A new hydrometallurgical process for nickel extraction from a low grade laterite ore such as limonite has been developed by RIST and POSCO. This POSCO Nickel Extraction Process (PosNEP) consists of five main processes: ore reduction using hydrogen as a reductant; acid leaching at atmospheric pressure and temperature; …

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Influence of mineralogy and ore texture on pentlandite …

The influence of ore mineralogy and ore texture on flotation response was studied for 29 samples from the main mineralised zone at Pit 3 of the Nkomati Ni mine, through laboratory scale flotation testing, laboratory assay, and mineral liberation analyser examination of the ore and the concentrates. The individual sample flotation responses …

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Leaching and ion exchange based recovery of nickel and …

The ore contained cobalt-bearing pentlandite as the predominant Ni-Co mineralization, with Kaolinite-serpentine group, magnesite and hydrotalcite the …

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Ni/Co–Cu Sulphide Ores, Key Contributors to Sustainability

The ore sample investigated was the Ni-Cu sulphide ore from Voisey's Bay, which indicated an excellent pentlandite-pyrrhotite selectivity with the combined use of SMBS and TETA. However, under the conditions of highly efficient pentlandite-pyrrhotite separation, the flotation of chalcopyrite was noted to be slowed down.

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Pentlandite products smelting inconsistent with NEI #1988

Crushed pentlandite ore as well as impure and pure pentlandite dusts show in NEI as smelting into a full nickel ingot, but actually smelt into 6 nuggets like most other metals. Version 2.0, DirtHut...

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Effects of magnetite on magnetic coating behavior in pentlandite …

The effects of magnetite as the magnetic seed on magnetic coating behavior in pentlandite and serpentine system were investigated through magnetic separation tests, X-ray diffraction analysis, zeta potential measurements, and calculations of DLVO (Derjaguin–Landau–Verwey–Overbeek) theory. The results show that, the …

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Nickel Metallurgy

The most important nickel minerals in sulfide ore are pentlandite [(Ni, Fe) 9 S 8] and nickel-containing pyrrhotite [(Ni, Fe) ... In smelting, add the roasted ore and flux …

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what is pentlandite ore dressing equipment.md

Find and fix vulnerabilities Codespaces

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Nickel processing

Nickel processing - Extraction, Refining, Alloying: The extraction of nickel from ore follows much the same route as copper, and indeed, in a number of cases, similar processes and equipment are used. The major differences in equipment are the use of higher-temperature refractories and the increased cooling required to accommodate the higher operating …

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Low grade ores – Smelt, leach or concentrate?

The main nickel sulphide mineral is pentlandite ((Fe,Ni) 9 S 8), which occurs with pyrrhotite (Fe n S n +1), pyrite (FeS 2) and chalcopyrite. ... The processing routes examined included conventional concentrating and smelting, direct ore smelting, heap leaching, pressure leaching and in situ leaching. The results of the study indicated that …

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Omnifactory/Ores

Ores []. In Omnifactory vanilla ores generate less frequently; instead most of them are found as GregTech Community Edition mixed veins. These veins come in four parts, with each part being a different ore and generate in ellipsoid shapes. The details as to how these ores generate are as follows: At the center of each 3x3 chunk section a specific vein type is …

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Ni/Co–Cu Sulphide Ores, Key Contributors to Sustainability

The ore sample investigated was the Ni-Cu sulphide ore from Voisey's Bay, which indicated an excellent pentlandite-pyrrhotite selectivity with the combined use of …

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Leaching and ion exchange based recovery of nickel and …

It would imply that the cobalt is probably in solid solution in the pentlandite matrix and fairly homogenously distributed throughout the pentlandite grains. The copper in such ore is a "nuisance" copper and does not play a role in the economics of this deposit. However, the accumulative Cu recovery reaches 23.7% during the four cycle tests.

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Full article: The Direct Leaching of Nickel Sulfide …

Violarite is a supergene alteration product of pentlandite and typically occurs in pyrite-violarite and transition zones above the primary zone (massive pentlandite-pyrrhotite ore) (Marston et al. …

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(PDF) Nickel Laterite Smelting Processes and Some

New method of laterite ore processing: Smelting in two-zone Vaniukov furnace. to ferro-nickel. In Proceedings of the Sustainable Industrial Processing Summit, Cancum, Mexico, 29 June–4.

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Full article: The Direct Leaching of Nickel Sulfide Flotation

The only investigation into NSC pressure leaching of nickel-bearing sulfide materials to date has been by Anderson and Nordwick (Citation 1994) in treatment of PGM-bearing Cu-Ni mattes and by Anderson (Citation 2004) to a PGM-bearing Cu-Ni concentrate and ore, and a pentlandite concentrate. key details of the experimental conditions …

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Pentlandite – Knowledge and References – Taylor & Francis

Pentlandite. Pentlandite is a sulfide mineral that is the principal ore of nickel, composed mainly of (NiFe)9S8. It is the most important nickel sulfide mineral and commonly occurs …

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Comparison of chemical and biological leaching methods …

Traditional pyrometallurgical processes (smelting) ... The leaching behavior of minerals from a pyrrhotite-rich pentlandite ore during heap leaching. Miner. Eng., 119 (2018), pp. 116-125, 10.1016/j.mineng.2018.01.025. View PDF View article View in Scopus Google Scholar. Bartzas et al., 2021.