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Separation and Purification of Ta and Nb from Ammonium Bifluoride Leachates Using Methyl Isobuthyl Ketone, 2-Octanol, and Aliquat® 336
Results from purification and separation of Ta and Nb from bifluoride-based leachates aiming to produce high-purity Ta and Nb oxides are reported....
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Selective Separation of Iron and Cobalt from Leached Tungsten Carbide Scrap by Solvent Extraction
Chloride leaching of the oxidized tungsten carbide scrap generated a leach liquor of composition(g/L): Fe-7.54, Co-15 & HCl-150, which was used to...
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Recovery of copper and silver from industrial e-waste leached solutions using sustainable liquid membrane technology: a review
Waste electrical and electronic equipment or e-waste has recently emerged as a significant global concern. This waste contains various valuable...
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Extraction of Hexavalent Chromium from Wastewater Using Aliquat 336
Removal of hexavalent chromium from aqueous waste solution by liquid–liquid extraction was studied using Aliquat 336 (tri-octal...
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Proecological aspects of citric acid technology
Citric acid (CA) is one of the most important commercial products. The food industry is the largest consumer of the acid, using almost of 70% of the...
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Investigation of liquid extraction and thermodynamic studies on uranium from sulfate solution by Alamine 336 as an extractant
This paper presents a comprehensive study of the liquid–liquid extraction of uranium from 0.2 M sulfuric acid solution by tertiary amine (Alamine...
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Removal of Radioactive Wastes Using Nanomaterial
Radioactivity is a silent killer; even though radiations are not visible, they are strong enough to alter a cell’s normal functioning. The extent of...
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Using graphene quantum dots for treating radioactive liquid waste
The use of smart materials, especially the carbon-based nanomaterials, is increasing each day. Among the several carbon-based nanomaterials, graphene...
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Vanadium properties, toxicity, mineral sources and extraction methods: a review
Vanadium chemicals, known as the “vitamins of the modern industry,” are major resources widely used in the petroleum, steel, batteries and catalyst...
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Roadmap for recycling of germanium from various resources: reviews on recent developments and feasibility views
Germanium as a strategic metalloid is widely used in high-tech devices. The most crucial germanium resources are rare and limited to zinc minerals,...
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Efficient Extraction of Ta and Nb from a Coltan Ore Through Alkaline Roasting, Water Leaching, Precipitation, and Oxalic Acid Leaching
Current industrial processes of tantalum (Ta) and niobium (Nb) extraction from primary resources rely in majority on hydrofluoric (HF) acid leaching,...
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Removal of emerging contaminants by emulsion liquid membrane: perspective and challenges
Emerging contaminants (ECs) originated from different agricultural, biological, chemical, and pharmaceutical sectors have been detected in our water...
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A novel organic–inorganic matrix nanofiltration membrane for remediating copper with enhanced thermal stability and mechanical strength
Membrane separation technology in the last 40 years has experienced impressive growth, displacing conventional separation processes due to inherent...
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Zinc Recovery from an Extreme Copper-Free Acid Mine Drainage: Studying the Prior Separation of Ferric Iron by Solvent Extraction using AliCy and/or Alkalinization
AbstractZn recovery attempts from a copper-free extreme Acid Mine Drainage with ~ 53 g/L Fe and ~ 2 g/L Zn revealed Fe co-extraction in solvent...
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Removal of chlorine from zinc sulfate solution: a review
During zinc hydrometallurgy process, the chloride ions in the materials go into the leaching solution, which have abominable effects on equipment,...
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Role of Membranes in Wastewater Treatment
Demand for water is on the rise as population and human activities increase including industries and agriculture. Freshwater resources have a skewed...
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Hydrometallurgical Routes to Close the Loop of Electric Vehicle (EV) Lithium-Ion Batteries (LIBs) Value Chain: A Review
With an ever-increasing demand for energy, there is a proportionate increase in energy storage devices, among which batteries hold the key to the...
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The Twelve Principles of Circular Hydrometallurgy
In this academic position paper, we propose the 12 Principles of a novel and more sustainable approach to hydrometallurgy that we call “circular...
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Optimization of Ni (II) Facilitated Transport from Aqueous Solutions Using a Polymer Inclusion Membrane.
Efficient Ni (II) transport through a polymer inclusion membrane (PIM) was achieved. A central composite design (DCC) coupled to a Derringer’s...
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Challenges and opportunities for sustainable valorization of rare earth metals from anthropogenic waste
Progressively and projected integration of rare earth metals (REMs) in modern technologies, especially in the clean energy, consumer electronics,...
