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Recovery of platinum group metals from spent automotive converters and their conversion into efficient recyclable nanocatalysts
The study reported in this article has shown for the first time that strongly acidic solutions (pH < 0.5) obtained after hydrometallurgical treatment...
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Optimized Bioleaching Pre-treatment of UG-2 PGM Flotation Concentrate Using Design of Experiments
The depletion of the Merensky ore has led the South African platinum industry into largely mining and processing Upper Group Two (UG-2) ore for the...
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Recycling of platinum group metals from exhausted petroleum and automobile catalysts using bioleaching approach: a critical review on potential, challenges, and outlook
Platinum group metals (PGMs) are essential in develo** the modern high-tech industry. Spent petroleum and spent automobile catalysts are vital...
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Enrichment of Platinum Group Metals from Spent Automotive Catalyst Leaching Residue by a Combined Smelting and Wet Extraction Method
Spent automotive catalysts consist of platinum group metals (PGMs) in their leaching residue (LR) after wet extraction and are the leading secondary...
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Skin and respiratory exposure to platinum group metals at two South African precious metals refineries
ObjectivePlatinum Group Metals (PGMs) are mined and refined together and have the potential to elicit adverse respiratory and skin health effects....
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Skin and respiratory exposure to soluble lead, cobalt, nickel, copper, arsenic and silver at two South African precious metals refineries
ObjectivesPrecious metals refinery workers are exposed to soluble platinum group metals (PGMs) during PGM-refining but may also be exposed to...
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Recovery of catalytic metals from leaching solutions of spent automotive catalytic converters using plant extracts
This study investigates the potential of hydroalcoholic extracts of Cistus ladanifer L., Erica Andevalensis and Rubus idaeus L. as a green method for...
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Single-Step Hydrometallurgical Method for the Platinum Group Metals Leaching from Commercial Spent Automotive Catalysts
AbstractPlatinum group metals (PGMs) are considered critical raw materials, thus their recycling and re-use is of outmost importance. Among the PGMs,...
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Catalytic reduction of water pollutants: knowledge gaps, lessons learned, and new opportunities
In this paper, we discuss the previous advances, current challenges, and future opportunities for the research of catalytic reduction of water...
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Structured and Worthwhile Approach for Transmogrify of Deplete Catalyst to Utility
Most of the petroleum processing industries are implementing catalytic operations to enhance the process and the product yield; hence, after the...
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Agromining of Thallium and Noble Metals
Thallium is a relatively toxic and valuable element, for which there are fast-growing hyperaccumulators that have the highest bioaccumulation...
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Role of Heavy Metals in Metabolic Disorders
The majority of the heavy metals are considered toxic to the human beings by interfering with the normal functions that are taking place in the human...
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Electronic Waste (E-Waste) Generation and Management
Rapid advancement in technology, especially the production of electrical and electronic equipment has resulted in a new stream of waste known as...
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Recovery and Purification of Iridium from Secondary Resources: A Review
Iridium is widely used in high-temperature corrosion protection, catalytic oxidation, and electroluminescence owing to its excellent catalytic...
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Metalle
Europäische Unternehmen sind stark von Rohstofflieferungen aus anderen Weltteilen abhängig. Um diese Abhängigkeit und die damit verbundenen Risiken...
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Emerging Nanomaterials for Efficient Hydrogen Production
Hydrogen production from water electrolysis has been considered an ultimate solution to energy and environmental issues. Over the past few years, the...
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Nanotechnology in Renewable Energy Conversion and Storage Process
A focus on innovation and discovery in the area of nanotechnology has taken over all the featuring areas in science and technology. In few decades,...
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Potential Processing Routes for Recovery of Platinum Group Metals from Southern African Oxidized PGM Ores: A Review
The beneficiation of platinum group metals (PGMs) from pristine (unweathered) sulfide ores has conventionally been conducted through froth flotation,...
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Fundamental Study of Palladium Recycling Using “Dry Aqua Regia” Considering the Recovery from Spent Auto-catalyst
In this research, a recycling process for palladium using “dry aqua regia,” which consists of iron(III) chloride–potassium chloride, was proposed....
