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Rare Earth Elements from Bauxite - MDPI

2020-7-22  minerals Article Comparison of Three Approaches for Bioleaching of Rare Earth Elements from Bauxite Megan J. Barnett 1,*, Barbara Palumbo-Roe 1, Eimear A. Deady 2 and Simon P. Gregory 1 1 British Geological Survey, Nicker Hill, Keyworth NG12 5GG, UK; [email protected] (B.P.-R.); [email protected] (S.P.G.) 2 British Geological Survey, The Lyell Centre, Research Avenue South,

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(PDF) Rare Earth Element Phases in Bauxite Residue

2018-2-24  The purpose of present work was to provide mineralogical insight into the rare earth element (REE) phases in bauxite residue to improve REE recovering technologies. Experimental work was

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RARE EARTH ELEMENTS IN KARST-BAUXITES: A NOVEL

2014-10-20  Karst-bauxite deposits form as a result of the accumulation of residual clay minerals in depressions on a karst limestone surface, and their subsequent lateritic weathering. Rare earth elements (REE) become concentrated in the bauxite deposits due to crystallisation of authigenic REE-bearing minerals, accumulation of residual phases and the adsorption of ions on clays and other mineral

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Rare Earth Element Phases in Bauxite Residue

2018-2-24  minerals Article Rare Earth Element Phases in Bauxite Residue Johannes Vind 1,2,* ID, Annelies Malfliet 3, Bart Blanpain 3, Petros E. Tsakiridis 2 ID, Alan H. Tkaczyk 4 ID, Vicky Vassiliadou 1 and Dimitrios Panias 2 1 Department of Continuous Improvement and Systems Management, Aluminium of Greece Plant, Metallurgy Business Unit, Mytilineos S.A., Agios Nikolaos, 32003 Boeotia, Greece;

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Determination of Rare Earth Elements in Bauxite by ...

for 10 bauxite samples show that the REE concentrations range from about 25 µg/g to 80 µg/g. Concentration of the lower rare earth elements is somewhat more than the heavy rare earth elements. Negative europium anomaly is observed in some of the samples analyzed. One inter-national standard reference sam-ple: Bauxite BX-N (ANRT, Paris,

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Rare Earth Element Phases in Bauxite Residue

2019-9-4  29 Bauxite residue as well as selected bauxites are potentially good sources of REEs. 30 Keywords: bauxite, bauxite residue, red mud, rare earth elements, rare earth minerals, rare earth 31 ferrotitanate, perovskite, loparite. 32 33 1. Introduction 34 The humankind is heading on a collision path with the ecosystems of the Earth [1]. One of the

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Technospheric Mining of Rare Earth Elements from Bauxite ...

2017-11-10  Some rare earth elements (REEs) are classified under critical materials, i.e., essential in use and subject to supply risk, due to their increasing demand, monopolistic supply, and environmentally ...

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Rare earth elements and scandium mineralogy in bauxite

2018-11-16  The purpose of the present work was to elucidate the mineralogical nature of rare earth elements (REE) and scandium (Sc) in bauxite residue (BR). It was found that REEs occur in BR in discrete mineral particles. REE-containing particles consist also of titanium (Ti) and iron (Fe), thus they were termed as REE ferrotitanates. REE ferrotitanates were found to form a solid solution between

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Mineralogical control and characteristics of rare earth ...

2019-11-1  1. Introduction. Bauxite provides the major economic aluminum resources, and it also often associated with rare earth elements and other critical metal resources (Mordberg, 1993, Li et al., 2013, Liu et al., 2016, Mongelli et al., 2014, Mongelli et al., 2016, Mongelli et al., 2017).Therefore bauxite has been regarded as one of the important future supply for those critical metal resources ...

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(PDF) Rare Earth Element-Enriched Bauxites Of Parnassus ...

Rare earth elements (REE) become concentrated in the bauxite deposits due to crystallisation of authigenic REE-bearing minerals, accumulation of residual phases and the adsorption of ions on clays ...

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Determination of Rare Earth Elements in Bauxite by ...

for 10 bauxite samples show that the REE concentrations range from about 25 µg/g to 80 µg/g. Concentration of the lower rare earth elements is somewhat more than the heavy rare earth elements. Negative europium anomaly is observed in some of the samples analyzed. One inter-national standard reference sam-ple: Bauxite BX-N (ANRT, Paris,

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Rare Earth Element Phases in Bauxite Residue

2019-9-4  29 Bauxite residue as well as selected bauxites are potentially good sources of REEs. 30 Keywords: bauxite, bauxite residue, red mud, rare earth elements, rare earth minerals, rare earth 31 ferrotitanate, perovskite, loparite. 32 33 1. Introduction 34 The humankind is heading on a collision path with the ecosystems of the Earth [1]. One of the

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Rare Earth Elements in ABx’s Bauxite Horizon

2021-2-8  Rare Earth Elements in ABx’s Bauxite Horizon Australian Bauxite Limited (ASX:ABX) (ABx or Company) is pleased to report on early results from an exploration project carried out over the last 15 months involving rare earth elements (REE) that occur within the ABx bauxite horizon. Assaying is by the NATA-registered ALS commercial laboratory ...

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Rare earth elements and scandium mineralogy in bauxite

2018-11-16  2nd International Bauxite Residue Valorisation and Best Practices Conference Athens 7-10/05/2018 387 Rare earth elements and scandium mineralogy in bauxite residue Johannes VIND1,2, Vicky VASSILIADOU1, Dimitrios PANIAS2 1 Department of Continuous Improvement and Systems Management, Aluminium of Greece plant, Metallurgy Business Unit, Mytilineos S.A., Agios Nikolaos,

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Content and mode of occurrences of rare earth elements

The Carboniferous karstic bauxite-bearing rock series in central Guizhou Province in southwest (SW) China is rich in trace elements, particularly Li, Ga, V, and rare earth elements (REEs), which have potential for comprehensive utilization as independent deposits or associated resources.

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Content and mode of occurrences of rare earth elements

2017-1-1  Geochemical and mineralogical studies of the trace and rare earth elements in karstic bauxite deposits in Montenegro and Mediterranean area show that REE (both LREE and HREE) were significantly mobile during formation of the deposits (Maksimović, 1968, Maksimović, 1976, Maksimović, 1979, Maksimović and Pantó, 1983, Maksimović and Pantó ...

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Selective leaching of rare earth elements from bauxite ...

2016-9-1  The total concentration of rare earth elements (as oxides) in red mud found to be 0.14 wt%. The content of each REE is shown in Fig. 3 with its distribution among the total REE. Elements such as Tb, Ho, Tm and Lu found to be below detection limits. Download : Download high-res image (93KB) Download : Download full-size image; Fig. 3.

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(PDF) Rare Earth Elements (REE) in Al- and Fe-(Oxy ...

2019-8-22  Rare Earth Elements (REE) in Al- and Fe-(Oxy)-Hydroxides in Bauxites of Provence and Languedoc (Southern France): Implications for the Potential Recovery of REEs as By-Products of Bauxite

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The Rare Earth Elements Potential of Greek Bauxite Active ...

2018-10-5  The research for new resources with substantial levels of Rare Earth Elements/REEs (i.e., REE group comprises of the 15 lanthanide elements including Sc and Y) is being set as high priority in the scientific field of the world and, especially,

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(PDF) Rare Earth Element-Enriched Bauxites Of Parnassus ...

Rare earth elements (REE) become concentrated in the bauxite deposits due to crystallisation of authigenic REE-bearing minerals, accumulation of residual phases and the adsorption of ions on clays ...

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Content and mode of occurrences of rare earth elements in ...

2017-1-1  Geochemical and mineralogical studies of the trace and rare earth elements in karstic bauxite deposits in Montenegro and Mediterranean area show that REE (both LREE and HREE) were significantly mobile during formation of the deposits (Maksimović, 1968, Maksimović, 1976, Maksimović, 1979, Maksimović and Pantó, 1983, Maksimović and Pantó ...

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More Rare Earth Elements Found at Australian Bauxite’s ...

2021-8-17  Australian Bauxite Limited (ABx) announced yesterday a significant new increase in the size of its rare earth reserves at its DL130 bauxite-REE project in northern Tasmania. ABx says new assay results show greater concentrations in the immediate area of high-priced REE elements like Neodymium, Praseodymium, Terbium, and Dysprosium. The findings show that the deposits are []

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Fluoride Action Network Australian Bauxite’s rare earth ...

2021-8-4  Australian Bauxite Limited ‘s June quarter report confirmed its discovery of rare earth elements in its bauxite tenement in Northern Tasmania. It said the rare earth element metals discovered were the main rare earth element components of super-magnets needed in electric vehicles, wind turbines, smart phones and military electronics.

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(PDF) Rare Earth Element-Enriched Bauxites Of Parnassus ...

Rare earth elements (REE) become concentrated in the bauxite deposits due to crystallisation of authigenic REE-bearing minerals, accumulation of residual phases and the adsorption of ions on clays ...

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(PDF) Rare Earth Elements (REE) in Al- and Fe-(Oxy ...

2019-8-22  Rare Earth Elements (REE) in Al- and Fe-(Oxy)-Hydroxides in Bauxites of Provence and Languedoc (Southern France): Implications for the Potential Recovery of REEs as By-Products of Bauxite

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The Rare Earth Elements Potential of Greek Bauxite

2018-10-5  The research for new resources with substantial levels of Rare Earth Elements/REEs (i.e., REE group comprises of the 15 lanthanide elements including Sc and Y) is being set as high priority in the scientific field of the world and, especially,

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(PDF) The Rare Earth Elements Potential of Greek

Rare Earth Elements/REEs (i.e., REE group comprises of the 15 lanthanide elements including Sc and Y) is being set as high priority in the scientific field of the world and, espe-

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Feasibility of Bio-mobilization of Rare Earth Elements ...

2021-3-1  Feasibility of Bio-mobilization of Rare Earth Elements from Bauxite Residual Red Mud Sadia Ilyas1, Hyunjung Kim1,2, Rajiv R. Srivastava3,4 1Mineral Resources and Energy Engineering, JeonbukNational University, Jeonju, 54896, Republic of Korea 2Department of Environment and Energy, JeonbukNational University, Jeonju, 54896, Republic of Korea 3Center for Advanced Chemistry,

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Occurrence of scandium and rare earth elements in Jamaican ...

Occurrence of scandium and rare earth elements in Jamaican bauxite waste Arun S. Wagh; Arun S. Wagh Univ. West Indies, Dep. Phys., Kingston, Jamaica. Search for other works by this author on: GSW. Google Scholar. Willard R. Pinnock. Willard R. Pinnock

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古风化壳型铝土矿中稀土元素地球化学特征-Geochemical ...

Geochemical Characteristics of Rare Earth Elements in Paleoweathering Crust Bauxite 投稿时间:2019-02-12 DOI: 中文关键词: 铝土矿 稀土 古风化壳 地球化学 英文关键词: bauxite, rare-earth elements, Paleo weathered crust, geochemistry 基金项目:

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