Recycle, Recover and Repurpose Strategy of Spent Li-ion Batteries and Catalysts: Current Status and Future Opportunities.
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DOI: 10.1002/cssc.201903213
Abstract: The disposal of hazardous waste of any form has become a great concern for the industrial sector due to improved environmental awareness. The increase in usage of hydroprocessing catalysts by petrochemical industries, and lithium-ion batteries… read more here.
Keywords: status; spent catalysts; ion batteries; future opportunities ... 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
Specificity of Mo and V Removal from a Spent Catalyst by Cupriavidus metallidurans CH34
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DOI: 10.1007/s12649-017-0093-9
Abstract: Spent catalysts are classified as hazardous residues of major environmental concern, mainly due to its elevated metal content. Although conventional spent catalysts treatment methods are available, they generate harmful wastes. Thus, biotechnological approaches are currently… read more here.
Keywords: catalyst; metallidurans ch34; spent catalysts; removal spent ... See more keywords
Hydrodemetallation and Hydrodesulfurization Spent Catalysts Elemental Analysis: Comparison of Wavelength Dispersive X-ray Fluorescence and Atomic Emission Spectrometries
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DOI: 10.1177/0003702817694382
Abstract: Petroleum industries continuously consume catalysts on very large scales. The recycling of spent catalysts is thus of major economic and environmental importance and its first step consists of the characterization of the valuable metal content.… read more here.
Keywords: dispersive ray; wavelength dispersive; analysis; ray fluorescence ... See more keywords
Recovery of Platinum from Spent Petroleum Catalysts: Optimization Using Response Surface Methodology
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DOI: 10.3390/met9030354
Abstract: The global yield of platinum (Pt) recovery from spent catalysts is about 30%. Pt recovery from spent catalysts is one of the most significant methods to reduce its supply risk and meet future demand. The… read more here.
Keywords: methodology; mol; spent petroleum; spent catalysts ... See more keywords