CO‐Assisted Direct Methane Conversion into C1 and C2 Oxygenates over ZSM‐5 Supported Transition and Platinum Group Metal Catalysts Using Oxygen as an Oxidant
Sign Up to like & getrecommendations! Published in 2020 at "ChemCatChem"
DOI: 10.1002/cctc.202000168
Abstract: Conversion of methane towards chemical feedstocks such as oxygenates and hydrocarbons has been studied along with the development of natural gas technology. In this study, CO‐assisted direct conversion of methane into C1 and C2 oxygenates… read more here.
Keywords: methane; assisted direct; platinum group; conversion ... See more keywords
Application of Ionic Liquids in the Recovery of Platinum Group Metals Typically Encountered in Catalytic Converters: A Review.
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DOI: 10.1002/cssc.202102262
Abstract: The wide application range and ascending demand for platinum group metals combined with the progressive depletion of their natural resources renders their efficient recycling a very important and pressing matter. Primarily environmental considerations associated with… read more here.
Keywords: ionic liquids; platinum group; recovery; group metals ... See more keywords
Platinum-group and trace elements in Cu-sulfides from the Loolekop pipe, Phalaborwa: implications for ore-forming processes
Sign Up to like & getrecommendations! Published in 2020 at "Mineralium Deposita"
DOI: 10.1007/s00126-020-01005-4
Abstract: Although Cu-sulfide mineralization within the Loolekop pipe of the Phalaborwa Igneous Complex has been extensively studied, certain aspects of the sulfide metallogenesis remain unclear. This research aims to constrain the relative timing and processes involved… read more here.
Keywords: loolekop pipe; trace; group; pipe phalaborwa ... See more keywords
Enhanced Dissolution of Platinum Group Metals Using Electroless Iron Deposition Pretreatment
Sign Up to like & getrecommendations! Published in 2017 at "Metallurgical and Materials Transactions B"
DOI: 10.1007/s11663-017-1087-5
Abstract: In order to develop a new method for efficiently recovering platinum group metals (PGMs) from catalyst scraps, the authors investigated an efficient dissolution process where the material was pretreated by electroless Fe deposition. When Rh-loaded… read more here.
Keywords: deposition; platinum group; dissolution; group metals ... See more keywords
Pyrometallurgical Recovery of Platinum Group Metals from Spent Catalysts
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DOI: 10.1007/s11837-017-2450-3
Abstract: AbstractAs an important secondary resource with abundant platinum group metals (PGMs), spent catalysts demand recycling for both economic and environmental benefits. This article reviews the main pyrometallurgical processes for PGM recovery from spent catalysts. Existing… read more here.
Keywords: recovery; group metals; platinum group; spent catalysts ... See more keywords
Hydrogeochemistry as a Tool for Platinum Group Element (PGE) Exploration — A Case Study from Sittampundi Anorthosite Complex, Southern India
Sign Up to like & getrecommendations! Published in 2019 at "Journal of the Geological Society of India"
DOI: 10.1007/s12594-019-1321-7
Abstract: The use of surface and ground water for exploration of platinum group elements (PGE) has been studied in the Sittampundi anorthosite complex, Tamil Nadu, south India, where PGE mineralization is known to occur in basic… read more here.
Keywords: exploration; chemistry; tool; platinum group ... See more keywords
Platinum-group element and gold enrichment in soils monitored by chromium stable isotopes during weathering of ultramafic rocks
Sign Up to like & getrecommendations! Published in 2018 at "Chemical Geology"
DOI: 10.1016/j.chemgeo.2018.09.008
Abstract: Abstract Weathering of ultramafic rocks can lead to the formation of soil profiles with high contents of Fe, Ni, Co, platinum-group elements (PGE) and gold. Traditionally, these metal-rich soils are known as “laterites” and are… read more here.
Keywords: enrichment; ultramafic rocks; weathering ultramafic; platinum group ... See more keywords
Platinum group metal-free Fe-based (Fe N C) oxygen reduction electrocatalysts for direct alcohol fuel cells
Sign Up to like & getrecommendations! Published in 2021 at "Current Opinion in Electrochemistry"
DOI: 10.1016/j.coelec.2021.100756
Abstract: Abstract In direct alcohol fuel cells (DAFCs), the oxidation of alcohols happens at the expenses of the oxygen reduction reaction at the cathode. DAFCs' cathodes use a significant amount of platinum that is an expensive… read more here.
Keywords: direct alcohol; oxygen reduction; alcohol fuel; platinum ... See more keywords
The nature of the Sulfur-Metallic bonds (Metal = Ni, Pd and Pt) in doped gold nanoclusters: A density functional approach
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DOI: 10.1016/j.comptc.2020.113094
Abstract: Abstract “Atomically precise gold nanoparticles” that constitute single guest atom doped gold cores besides being protected by ligands, have drawn much attention in the fields of biology, chemistry and physics. To investigate the foundation of… read more here.
Keywords: chemistry; gold; doped gold; platinum group ... See more keywords
Inhibition of Ostwald ripening through surface switching species during potentiodynamic dissolution of platinum nanoparticles as an efficient strategy for platinum group metal (PGM) recovery
Sign Up to like & getrecommendations! Published in 2019 at "Electrochimica Acta"
DOI: 10.1016/j.electacta.2019.134662
Abstract: Abstract Efficient recovery of platinum group metals (PGMs) from industrial spent catalysts through electrochemical means using mild conditions is of significant importance from both the industrial and the environmental points of view. Owing to their… read more here.
Keywords: surface; dissolution; recovery; platinum group ... See more keywords
The behavior of Pt, Pd, Cu and Ni in the Se-sulfide system between 1050 and 700 °C and the role of Se in platinum-group elements fractionation in sulfide melts
Sign Up to like & getrecommendations! Published in 2017 at "Geochimica et Cosmochimica Acta"
DOI: 10.1016/j.gca.2017.05.010
Abstract: Abstract The behavior of Pt, Pd, Ni and Cu in Se-sulfide system and the role of Se in platinum-group elements (PGE) fractionation have been experimentally investigated at temperatures between 1050 and 700 °C in evacuated silica… read more here.
Keywords: sulfide; sulfide system; platinum group; group elements ... See more keywords