Precious metal recovery
TLDR
A comprehensive overview of the research progress on PM recovery strategies from traditional technologies to novel photocatalytic dissolution, discusses the main challenges and corresponding countermeasures from the perspective of energy and the environment, and points out future research and development prospects.About:
This article is published in Joule.The article was published on 2021-11-30 and is currently open access. It has received 39 citations till now.read more
Citations
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Regulating Donor-Acceptor Interactions in Triazine-Based Conjugated Polymers for Boosted Photocatalytic Hydrogen Production
TL;DR: In this article , a triazine-based conjugated polymers for photocatalysis was designed and synthesized by introducing electron-drawing 1,3,4-oxadiazole units into 1, 3,5-triazine based π-conjugated skeletons for hydrogen production.
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Systematic Assessment of Precious Metal Recovery to Improve Environmental and Resource Protection
TL;DR: In this paper , the authors summarized various typical precious metal recovery strategies and paid attention to innovations from traditional technologies, and evaluated and prospect the above methods based on secondary pollution and recovery efficiency.
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Iridium and IrOx nanoparticles: an overview and review of syntheses and applications.
TL;DR: In this article , a review of the application of iridium nanoparticles in nanoscience and applications in catalysis is presented, covering synthesis protocols, the historical role or iridium nanomaterials in the development of nanosciences and applications.
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Simultaneous Separation and Recovery of Gold and Copper from Electronic Waste Enabled by an Asymmetric Electrochemical System.
TL;DR: In this article , an asymmetric electrochemical system, constructed by polyaniline (PANI) nanofibers grown on carbon cloth (CC) and CC as the respective counter and working electrodes, is presented for the simultaneous and selective extraction of gold and copper from e-waste leachate solution.
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Photocatalytic Dissolution of Precious Metals by TiO2 through Photogenerated Free Radicals.
Yao Chen,Shuhui Guan,Hao Ge,Xiang Chen,Zhenmin Xu,Yinghong Yue,Hiromi Yamashita,Han Yu,Hexing Li,Zhenfeng Bian +9 more
TL;DR: In this article , the selectivity and solvation effects observed for dissolution by focusing on photocatalysis, precious metals and solvents were investigated by combining transient characterization, reaction kinetics, and density functional theory.
References
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The nature of the chemical bond. iv. the energy of single bonds and the relative electronegativity of atoms
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Low-temperature hydrogen production from water and methanol using Pt/α-MoC catalysts
Lili Lin,Wu Zhou,Rui Gao,Siyu Yao,Xiao Zhang,Wenqian Xu,Shijian Zheng,Zheng Jiang,Qiaolin Yu,Yong-Wang Li,Chuan Shi,Xiaodong Wen,Ding Ma +12 more
TL;DR: It is reported that platinum atomically dispersed on α-molybdenum carbide (α-MoC) enables low-temperature (150–190 degrees Celsius), base-free hydrogen production through APRM, with an average turnover frequency reaching 18,046 moles of hydrogen per mole of platinum per hour.
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A metal-organic framework-based splitter for separating propylene from propane.
Amandine Cadiau,Karim Adil,Prashant M. Bhatt,Youssef Belmabkhout,Mohamed Eddaoudi,Mohamed Eddaoudi +5 more
TL;DR: The use of reticular chemistry for the fabrication of a chemically stable fluorinated metal-organic framework (MOF) material (NbOFFIVE-1-Ni), which resulted in the selective molecular exclusion of propane from propylene at atmospheric pressure, as evidenced through multiple cyclic mixed-gas adsorption and calorimetric studies.
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Understanding the role of surface charges in cellular adsorption versus internalization by selectively removing gold nanoparticles on the cell surface with a I2/KI etchant.
TL;DR: An etching solution based on I2 and KI that can selectively dissolve the Au nanospheres on the cell surface within a short period of time is introduced that is capable of etching away a relatively large amount of Au Nanospheres at a low molar concentration.
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Energy-consistent pseudopotentials and correlation consistent basis sets for the 5d elements Hf-Pt.
TL;DR: The accuracy of both the pseudopotentials and basis sets are assessed in extensive coupled cluster benchmark calculations of atomic ionization potentials, electron affinities, and selected excitation energies of all the 5d metal atoms, including the effects of spin-orbit coupling.