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Published in 2019 at "Environmental Science and Pollution Research"
DOI: 10.1007/s11356-019-05406-5
Abstract: Due to the increasing demand of metals by industry and the limited availability of natural resources, the secondary supply of these elements from discarded products, such as waste electrical and electronic equipment (WEEE), is an…
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Keywords:
recovery;
valuable critical;
treatment;
critical elements ... See more keywords
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Published in 2020 at "International Journal of Coal Geology"
DOI: 10.1016/j.coal.2020.103468
Abstract: Abstract Terrigenous materials from sediment-source regions are important controls on the types and concentrations of inorganic components in coal. The Kangdian Upland (dominated by the Emeishan basalts) is the dominant terrigenous supplier for most of…
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Keywords:
coal deposit;
coal seams;
inorganic components;
tucheng coal ... See more keywords
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Published in 2017 at "Current Opinion in Electrochemistry"
DOI: 10.1016/j.coelec.2017.06.014
Abstract: Summary There is an increasing demand for analytical techniques which are able to measure “technology-critical elements”, a set of elements increasingly used in technological applications (e.g. Pt-group elements, Nb, Ta, Te, In, Ga, Ge, Tl).…
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Keywords:
technology critical;
critical elements;
elements environmental;
techniques quantification ... See more keywords
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Published in 2021 at "Fuel"
DOI: 10.1016/j.fuel.2021.121400
Abstract: Abstract The Pennsylvania Anthracite Fields are in a complex tectonic and metamorphic terrain, historically hosting one of the largest concentrations of coal mining in the USA. Anthracite mining now largely consists of the surface mining…
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Keywords:
coal;
critical elements;
pennsylvania;
earth elements ... See more keywords
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Published in 2021 at "Journal of Cleaner Production"
DOI: 10.1016/j.jclepro.2021.127207
Abstract: Abstract The highly specialized materials needed for the de-carbonization of energy, smart devices and the internet of things have created supply concerns of critical elements used in these applications. Several critical elements are produced as…
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Keywords:
sustainable supply;
critical elements;
supply chain;
supply ... See more keywords
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Published in 2019 at "Ore Geology Reviews"
DOI: 10.1016/j.oregeorev.2019.102951
Abstract: Abstract This paper discusses the modes of occurrence of critical elements and their origins in the studied coal and associated rock samples (partings and roof strata) from the Datanhao coal mine, Daqingshan Coalfield, Inner Mongolia,…
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Keywords:
critical elements;
mine daqingshan;
datanhao mine;
daqingshan coalfield ... See more keywords
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Published in 2018 at "Mineralogical Magazine"
DOI: 10.1180/minmag.2017.081.038
Abstract: ABSTRACT The Kabwe Zn-Pb deposit (central Zambia) consists of a cluster of mixed sulfide and non-sulfide orebodies. The sulfide ores comprise sphalerite, galena, pyrite, chalcopyrite and accessory Ge-sulfides (±Ga and In). The non-sulfide ores comprise:…
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Keywords:
sulfide;
non sulfide;
central zambia;
critical elements ... See more keywords
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Published in 2019 at "Frontiers in Marine Science"
DOI: 10.3389/fmars.2019.00532
Abstract: The development in recent years of new technological and energy-related applications has increased the use and demand of a specific group of trace elements (Technology-Critical Elements, TCEs). Among the TCEs, there are a number of…
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Keywords:
review concentrations;
less studied;
critical elements;
technology critical ... See more keywords
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Published in 2023 at "Energies"
DOI: 10.3390/en16083331
Abstract: The subject of the research involved fly ashes from several power plants in Poland, produced in the process of hard coal and lignite combustion. The objective of this article was to determine the concentration and…
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Keywords:
qualified source;
ashes qualified;
source;
grain classes ... See more keywords
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Published in 2019 at "Minerals"
DOI: 10.3390/min9080472
Abstract: The tin-rich polymetallic epithermal deposit of Poopó, of plausible Late Miocene age, is part of the Bolivian Tin Belt. As an epithermal low sulfidation mineralisation, it represents a typological end-member within the “family” of Bolivian…
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Keywords:
critical elements;
poop polymetallic;
polymetallic epithermal;
epithermal deposit ... See more keywords
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Published in 2020 at "Resources"
DOI: 10.3390/resources9090115
Abstract: The chemical composition of coal ash and the content of the critical elements Ga, Sc, and V in coal and ash are examined herein. In this study, lignite and bituminous coal from Polish deposits were…
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Keywords:
critical elements;
selected critical;
polish deposits;
coal ash ... See more keywords