Articles with "critical elements" as a keyword



Photo by schluditsch from unsplash

Recovery opportunities of valuable and critical elements from WEEE treatment residues by hydrometallurgical processes

Sign Up to like & get
recommendations!
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… read more here.

Keywords: recovery; valuable critical; treatment; critical elements ... See more keywords
Photo from wikipedia

Evidence for multiple sources for inorganic components in the Tucheng coal deposit, western Guizhou, China and the lack of critical-elements

Sign Up to like & get
recommendations!
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… read more here.

Keywords: coal deposit; coal seams; inorganic components; tucheng coal ... See more keywords
Photo by lucabravo from unsplash

Electroanalytical techniques for the quantification of technology-critical elements in environmental samples

Sign Up to like & get
recommendations!
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).… read more here.

Keywords: technology critical; critical elements; elements environmental; techniques quantification ... See more keywords
Photo from wikipedia

Distribution of rare earth elements and other critical elements in beneficiated Pennsylvania anthracites

Sign Up to like & get
recommendations!
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… read more here.

Keywords: coal; critical elements; pennsylvania; earth elements ... See more keywords
Photo from wikipedia

Towards resilient and sustainable supply of critical elements from the copper supply chain: A review

Sign Up to like & get
recommendations!
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… read more here.

Keywords: sustainable supply; critical elements; supply chain; supply ... See more keywords
Photo by joshuanewton from unsplash

Enrichment of critical elements (Nb-Ta-Zr-Hf-REE) within coal and host rocks from the Datanhao mine, Daqingshan Coalfield, northern China

Sign Up to like & get
recommendations!
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,… read more here.

Keywords: critical elements; mine daqingshan; datanhao mine; daqingshan coalfield ... See more keywords
Photo from wikipedia

Critical elements in non-sulfide Zn deposits: a reanalysis of the Kabwe Zn-Pb ores (central Zambia)

Sign Up to like & get
recommendations!
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:… read more here.

Keywords: sulfide; non sulfide; central zambia; critical elements ... See more keywords
Photo by daviator737 from unsplash

Less-Studied Technology-Critical Elements (Nb, Ta, Ga, In, Ge, Te) in the Marine Environment: Review on Their Concentrations in Water and Organisms

Sign Up to like & get
recommendations!
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… read more here.

Keywords: review concentrations; less studied; critical elements; technology critical ... See more keywords
Photo by albertvincentwu from unsplash

Ashes Qualified as a Source of Selected Critical Elements (REY, Co, Ga, V)

Sign Up to like & get
recommendations!
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… read more here.

Keywords: qualified source; ashes qualified; source; grain classes ... See more keywords
Photo by joshuanewton from unsplash

The Poopó Polymetallic Epithermal Deposit, Bolivia: Mineralogy, Genetic Constraints, and Distribution of Critical Elements

Sign Up to like & get
recommendations!
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… read more here.

Keywords: critical elements; poop polymetallic; polymetallic epithermal; epithermal deposit ... See more keywords
Photo from wikipedia

Ash Characteristics and Selected Critical Elements (Ga, Sc, V) in Coal and Ash in Polish Deposits

Sign Up to like & get
recommendations!
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… read more here.

Keywords: critical elements; selected critical; polish deposits; coal ash ... See more keywords