Cobalt Extraction
Cobalt Extraction - Related Videos
11:46
Synthesis of an Oxygen-Carrying Cobalt(II) Complex
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2023
Source: Deepika Das, Tamara M. Powers, Department of Chemistry, Texas A&M University Bioinorganic chemistry is the field of study that investigates the role that metals play in biology. Approximately half of all proteins contain metals and it is estimated that up to one third of all proteins rely on metal-containing active sites to function. Proteins that feature metals, called metalloproteins, play a vital role in a variety of cell functions that are necessary for life. Metalloproteins...
10:31
Detection and Recovery of Palladium, Gold and Cobalt Metals from the Urban Mine Using Novel Sensors/Adsorbents Designated with Nanoscale Wagon-wheel-shaped Pores
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Cited by 24 •
2015
Because of the importance and extensive use of palladium, gold and cobalt metals in high-technology equipment, their recovery and recycling constitute an important industrial challenge. The metal recovery system described herein is a simple, low-cost means for the effective detection, removal, and recovery of these metals from the urban mine.
12:06
Synthesis of High Purity Nonsymmetric Dialkylphosphinic Acid Extractants
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Cited by 6 •
2017
A protocol for the synthesis of high purity nonsymmetric dialkylphosphinic acid extractants is presented, taking (2,3-dimethylbutyl)(2,4,4'-trimethylpentyl)phosphinic acid as an example.
02:55
Extraction - Concepts
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2020
Extraction Extraction is a common technique used in organic chemistry to isolate a target compound. In the extraction process, a solute is transferred from one phase to another to separate it from unreacted starting materials or impurities. Extraction is also used to facilitate the isolation of a solute from a reaction solvent that is difficult to remove by evaporation, such as a solvent with a high boiling point. Generally, there are three types of extractions. First, in solid-liquid...
06:42
Extraction of Biomarkers from Sediments - Accelerated Solvent Extraction
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2023
Source: Laboratory of Jeff Salacup - University of Massachusetts Amherst The distribution of a group of organic biomarkers called glycerol-dialkyl glycerol-tetraethers (GDGTs), produced by a suite of archaea and bacteria, were found in modern sediments to change in a predictable manner in response to air or water temperature1,2. Therefore, the distribution of these biomarkers in a sequence of sediments of known age can be used to reconstruct the evolution of air and/or water temperature on...
FAQs
The central separation principle is to exploit differences in chemical reactivity and solubility. Processing conditions can therefore favor cobalt recovery while leaving associated metals in a different phase or solution behavior. This selectivity is important because cobalt commonly occurs with copper, nickel, and iron, so effective separation determines the quality and usefulness of the recovered cobalt product.
Pyrometallurgical treatment and hydrometallurgical processing provide alternative routes selected according to the feedstock and desired separation sequence. Hydrometallurgical routes can include acid leaching, solvent extraction, and precipitation, while pyrometallurgical treatment represents a different processing approach. Engineering designs may combine concentration and one or more of these routes to suit mineral ores, recycled materials, or industrial residues.
Mineral ores, recycled materials, and industrial residues present different starting compositions and separation requirements. For that reason, engineers may select different combinations of crushing, concentration, pyrometallurgical treatment, acid leaching, solvent extraction, or precipitation. Matching the route to the feedstock helps direct cobalt into a recoverable product while addressing the other metals and materials present.
A representative workflow begins with feed preparation, which may include crushing and concentration when appropriate. The prepared material can then undergo pyrometallurgical treatment or hydrometallurgical processing. In the latter route, acid leaching transfers relevant components into solution, followed by solvent extraction and precipitation to separate and recover cobalt from associated metals.
Recovered cobalt supports several advanced-material and chemical-product applications. The source material identifies battery cathodes, superalloys, catalysts, and pigments as important uses. These applications create different requirements for separating cobalt from copper, nickel, iron, and other feed components, making controlled recovery and production of a suitable cobalt-containing product central engineering objectives.
Processing routes can include recycled materials and industrial residues as well as mineral ores, expanding the potential sources of cobalt. This supports resource efficiency by recovering a useful component from materials that might otherwise require disposal or additional primary feedstock. Engineering decisions also need to account for management of environmental impacts associated with the selected extraction and separation operations.