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  • Recovery of Platinum-Group Metals from Gabbroic Rocks

    2012.10.26  Platinum-group metal recoveries from the Duluth Complex can be improved by a flotation procedure developed during an investigation with artificial nickel

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  • Characterizing and recovering the platinum group

    2004.9.1  Third, the mineralogy of specific ores amenable to gravity, flotation and the flowsheet for recovering platinum group minerals in several mills of interest are

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  • Investigating the recoveries and grades of individual platinum

    2022.3.30  Substantial price increases for platinum (2,4%), palladium (43,2%) and rhodium (187,2%) in 2020 resulted in an increase in PGM sales despite a drop in PGM

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  • The flotation behaviour of liberated Platinum Group minerals

    2022.12.1  The Bushveld Complex in South Africa hosts the world’s largest and economically important resource of Platinum Group Elements (PGE; Cawthorn, 1999).

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  • Treatment of Platinum Flotation Products

    Article Synopsis. A flowsheet has been developed for the production of rich concentrates of precious and non-ferrous metals by a complex treatment of the flotation products from

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  • Flotation of Platinum Group Elements Ores: A Review

    2022.1.20  The present article critically discusses all the factors that affect the flotation of platinum group element bearing minerals, flotation routes, essential gaps, the

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  • NorthMet Copper-Nickel-Platinum Mine - NS Energy

    NorthMet is the first copper-nickel-platinum group metals (PGMs) mine planned to be developed in Minnesota, US. Poly Met Mining, a wholly-owned subsidiary of Canada based PolyMet Mining Corporation, is the

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  • Contrasts between platinum group element contents and

    Summary. This paper presents new data on sulfide assemblages, platinum group elements (PGE's) and halogen contents of biotites in anorthositic series rocks from the Duluth

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  • Flotation of Platinum Group Metal Ores Semantic Scholar

    The absolute and relative concentrations of PGE in magmatic sulfides are explained in terms of the degree of partial melting of mantle peridotite required to produce the parent

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  • NorthMet Project, Minnesota - Mining Technology

    2014.12.16  NorthMet project is located within the Partridge River intrusion along the northern margin of Duluth Complex, a geological formation near the Mesabi Iron Range, which is known to contain abundant amounts of copper nickel platinum group metals (PGMs).. Polymetallic deposit is known to be a disseminated sulphide deposit in

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  • Platinum-group element (PGE) deposits and occurrences:

    2005.2.1  Deposits containing Ni, Cu and platinum-group elements (PGE) are usually associated with mafic and ultramafic rocks. The deposits may be subdivided into two groups (Naldrett, 1981). (i) Ores with Ni and Cu as the principal products and where the noble metals (PGE and Au) are byproducts. They contain more than 10% sulfide minerals (e.g.,

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  • Minerals Free Full-Text Iron Ore Slimes Flotation

    This work describes the concentration of iron ore slimes on a pilot scale by using a 500-mm diameter flotation column and a novel collector, which renders the use of a depressant unnecessary. The pilot column was

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  • Flotation of Platinum Group Elements Ores: A Review

    2022.1.20  Platinum-group elements (PGE), gold, and silver have occupied a special position and considerable economic importance in the world’s mineral history (Potts 1992). ... The present article critically discusses all the factors that affect the flotation of platinum group element bearing minerals, flotation routes, essential gaps, the problems ...

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  • Mali MANONO Senior Lecturer Doctor of Philosophy

    2023.11.9  Mali is a Senior Lecturer in the Department of Chemical Engineering at the University of Cape Town. He holds a PhD in Chemical Engineering through UCT. He obtained his BSc.Eng and MSc.Eng from the ...

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  • PGM recovery from chromite tailings – a new art or more

    The rougher flotation kinetics of the two ore bodies also differ slightly with the LG ores showing a much faster and higher rougher recovery compared to MG ores. Figure3: Rate kinetics for Rougher ...

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  • The Geological Occurrence, Mineralogy, and Processing by Flotation

    2020.11.24  Russia and South Africa are the world’s leading producers of platinum group elements (PGEs). This places them in a unique position regarding the supply of these two key industrial commodities. The purpose of this paper is to provide a comparative high-level overview of aspects of the geological occurrence, mineralogy, and processing by

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  • The Use of Acid Mine Drainage (AMD) in the Flotation of a Platinum ...

    2022.10.5  Water scarcity is compelling mining houses to not only recycle process water but to also identify alternative sources of make-up water in concentrators. South Africa has significant volumes of acid mine drainage (AMD) generated from vast mining operations. This study investigated the viability of using AMD as a replacement for potable water in

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  • NewRange Copper Nickel

    2023.2.15  The NewRange Copper Nickel joint venture consists of the NorthMet and Mesaba deposits, both of which are located in northeastern Minnesota, which is part of the Duluth Complex, one of the largest undeveloped accumulations of copper, nickel and platinum group metals in the world. The NorthMet Project has received its permits and is

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  • The flotation of niccolite — A single mineral study

    2010.2.19  The upgraded size fractions were then combined and blended to make a − 1650 + 104 μm niccolite composite. High quality quartz, obtained and prepared locally, was used as the diluent mineral in all the single mineral flotation tests. The amount used in each test was 450 g of − 1650 + 212 μm quartz. 2.2. Grinding.

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  • Challenges Related to the Processing of Fines in the

    2021.5.18  In order to increase the recovery of PGMs by flotation, it is necessary to optimise the liberation of the key minerals in which the platinum group elements (PGEs) are contained which include ...

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  • Investigating the recoveries and grades of individual platinum

    2022.3.30  Substantial price increases for platinum (2,4%), palladium (43,2%) and rhodium (187,2%) in 2020 resulted in an increase in PGM sales despite a drop in PGM production. A UG2 ore was subjected to laboratory scale flotation tests to evaluate elemental grades and recoveries of the individual elements in the production basket.

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  • Improving Nickel Recovery in Froth Flotation by

    2023.2.24  The flotation and DAF treatment tests were carried out at Boliden’s Kevitsa concentrator plant. Kevitsa is a low-grade Ni-Cu-PGE deposit, where nickel is carried mainly by pentlandite and copper by

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  • The effect of energy input on the flotation of a platinum ore

    2017.8.15  This section presents and discusses results for the effect of energy/power input on the flotation of a platinum ore in the pilot-scale oscillating grid flotation cell. Firstly, a brief summary of the results of Safari et al. (2016) for the sulphide flotation tests in the laboratory oscillating grid flotation cell are presented. ...

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  • Oxygen pressure leaching–flotation joint process for

    2019.5.1  DOI: 10.1016/S1003-6326(19)65017-X Corpus ID: 199170840; Oxygen pressure leaching–flotation joint process for Jinbaoshan platinum group minerals @article{Rao2019OxygenPL, title={Oxygen pressure leaching–flotation joint process for Jinbaoshan platinum group minerals}, author={Shuai Rao and Zhiqiang Liu and Xian

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  • Minerals Free Full-Text A Hybrid Device for Enhancing Flotation

    2021.5.25  Flotation in the mining industry is a very significant separation technique. It is known that fine and ultra-fine particles are difficult to float, leading to losses of valuable minerals, mainly due to their low collision efficiency with bubbles. Flotation of fine particles can be enhanced either by increasing the apparent particle size or by decreasing the

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  • Pentlandite - an overview ScienceDirect Topics

    Cobalt and Nickel Production. B. Mishra, in Encyclopedia of Materials: Science and Technology, 2001 1 Sources and Commercial Methods. The extractable sulfide minerals are pentlandite ((Ni,Fe) 9 S 8) which contains a small amount of cobalt, and the most abundant pyrrhotite ((Fe n−1 S n) or (Ni,Fe) 7 S 8).Chalcopyrite is another major mineral for nickel

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  • The Geological Occurrence, Mineralogy, and Processing by Flotation

    2020.11.24  Russia and South Africa are the world’s leading producers of platinum group elements (PGEs). This places them in a unique position regarding the supply of these two key industrial commodities. The purpose of this paper is to provide a comparative high-level overview of aspects of the geological occurrence, mineralogy, and processing by

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  • Flotation of platinum group metal ore materials - Newmont

    2002.10.17  The present invention provides a method involving flotation of platinum group metal ore materials in which a lead-containing activator reagent, and preferably also a xanthate collector reagent, are added to the platinum group metal ore material prior to and/or during flotation and the flotation is conducted using an oxygen-deficient flotation ...

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  • Production of Nickel Concentrate from Ground Sulfide Ore

    2011.12.31  Abstract. This chapter explains the process of nickel concentration from ground sulfide ore, the starting material. This is necessary because mined nickel sulfide ores contain between 1% and 3% Ni ...

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