Recycling of electric arc furnace dust through dissolution in deep eutectic ionic liquids and electrowinning

Bakkar, Ashraf

doi:10.1016/j.jhazmat.2014.07.066

Cited by 54 publications

(23 citation statements)

References 55 publications

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“…However, the extraction of lead was lower. Bakkar used similar DESs for the same purpose [47,48]. The processing of the dust allowed the authors to remove most of the Zn by the electrowinning of the DES.…”

Section: Sucrosementioning

confidence: 99%

Review on Hydrometallurgical Recovery of Metals with Deep Eutectic Solvents

Zante

Boltoeva

2020

Sustainable Chemistry

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Deep eutectic solvents (DESs) appeared recently as a new class of green designer solvents. The recovery of metals using hydrometallurgy is of major importance with the growth in metal demand. Several authors used these solvents for the hydrometallurgical recovery of metals from primary and secondary resources, and these studies are reviewed in the present work. Hydrophilic DESs can be used for the leaching of metals and have great potential to replace mineral acids, and even to reduce water consumption. Efficient and selective leaching of metals from minerals or wastes is feasible by using DESs. However, the kinetics of leaching as well as the physicochemical properties of DESs are still limiting their large-scale application. Electrochemical recovery from DES is also possible but deserves further investigation. Finally, the recovery of metals from aqueous solutions using hydrophobic DESs was studied in several works. For the solvent extraction of metals, hydrophobic DESs constitute credible alternative ionic liquids.

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Section: Sucrosementioning

confidence: 99%

Review on Hydrometallurgical Recovery of Metals with Deep Eutectic Solvents

Zante

Boltoeva

2020

Sustainable Chemistry

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“…Furthermore, hydrometallurgical processes using conventional leaching and chelating media also suffer from poor selectivity and codissolution, thereby increasing the complexity of downstream solution purification processes. As a result, several alternative leaching and pretreatment processes have been proposed, or are being investigated, in order to improve the kinetics and economics of the leaching processes Abott et al, 2006Abott et al, , 2009Steer and Griffiths, 2013;Bakkar, 2014;Chairaksa-Fujimoto et al, 2015;Miki et al, 2016;Chairaksa-Fujimoto et al, 2016;Binnemans and Jones, 2017;Xing, Wang, and Chen, 2017).…”

Section: Pgm Smelter Andmentioning

confidence: 99%

Mining and metallurgical wastes: a review of recycling and re-use practices

Matinde

Simate

Ndlovu

2018

J. S. Afr. Inst. Min. Metall.

103

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Mining is a complex process involving activities that range from exploration through mine development, mineral beneficiation, metal extraction, smelting, refining, reclamation, and remediation (Bian et al., 2012; Ndlovu, Simate, and Matinde, 2017). In the process of extracting the metal values, these activities produce significant amounts of wastes, typically consisting of (1) solid wastes in the form of waste rock, dusts, sludges, and slags, (2) liquid wastes in the form of waste water and effluents, and (3) gaseous emissions. In South Africa, mining and metallurgical wastes constitute one of the biggest challenges to the environment. If not managed properly, the anthropogenic effects of these mining and metal extraction activities can result in irreversible damage to the environment and a hazard to humans. In South Africa, in particular, these types of wastes are usually disposed of in landfills, thereby creating serious environmental and health challenges for communities. Mitigating the effects of such mining, metallurgical, and metal manufacturing processes requires a holistic waste management approach that incorporates reduction in the amount of waste

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“…Bhatt et al [12] investigated DIMCARB (a mixture of dimethylamine and carbon dioxide) for its ability to support Pb electrochemistry, however they found the deposition process to be irreversible regardless of the Pb(II) salt added to the solvent. Studies by Golgovici [13] and Bakkar [14] have investigated the deposition of Pb in choline chloride: ethylene glycol (1:2 moles) + PbCl2 and choline chloride: urea (1:2 moles) + PbCl2 solutions respectively. Unlike Bhatt et al, the Pb electrochemical deposition appears to be reversible in both cases, however elevated temperatures were required to maintain the liquid state of the media.…”

Section: 0mentioning

confidence: 99%