Highly selective transport of lithium across a supported liquid membrane

Zante, Guillaume; Boltoeva, Maria; Masmoudi, Abderrazak; Barillon, Rémi; Trébouet, Dominique

doi:10.1016/j.jfluchem.2020.109593

Cited by 32 publications

(20 citation statements)

References 41 publications

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“…Organic solvent extractants applied by the mining and metallurgy industry typically contain multiple components, including an extractant (a metal chelating or binding reagent), a co-extractant (an adduct forming synergistic reagent), and a diluent (a bulk solvent). Example diluents are kerosene, xylene, and alkanes, such as dodecane [172,177,179,180,199]. Extractants include neutral species, such as ketones, beta-diketones, or ionizable species, such as organophosphates (Table 10).…”

Section: Multicomponent Solvent Systemsmentioning

confidence: 99%

Technology for the Recovery of Lithium from Geothermal Brines

2021

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Lithium is the principal component of high-energy-density batteries and is a critical material necessary for the economy and security of the United States. Brines from geothermal power production have been identified as a potential domestic source of lithium; however, lithium-rich geothermal brines are characterized by complex chemistry, high salinity, and high temperatures, which pose unique challenges for economic lithium extraction. The purpose of this paper is to examine and analyze direct lithium extraction technology in the context of developing sustainable lithium production from geothermal brines. In this paper, we are focused on the challenges of applying direct lithium extraction technology to geothermal brines; however, applications to other brines (such as coproduced brines from oil wells) are considered. The most technologically advanced approach for direct lithium extraction from geothermal brines is adsorption of lithium using inorganic sorbents. Other separation processes include extraction using solvents, sorption on organic resin and polymer materials, chemical precipitation, and membrane-dependent processes. The Salton Sea geothermal field in California has been identified as the most significant lithium brine resource in the US and past and present efforts to extract lithium and other minerals from Salton Sea brines were evaluated. Extraction of lithium with inorganic molecular sieve ion-exchange sorbents appears to offer the most immediate pathway for the development of economic lithium extraction and recovery from Salton Sea brines. Other promising technologies are still in early development, but may one day offer a second generation of methods for direct, selective lithium extraction. Initial studies have demonstrated that lithium extraction and recovery from geothermal brines are technically feasible, but challenges still remain in developing an economically and environmentally sustainable process at scale.

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Section: Multicomponent Solvent Systemsmentioning

confidence: 99%

Technology for the Recovery of Lithium from Geothermal Brines

2021

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“…SLMs generally consist of an organic solvent (the LM phase) contained in the pores of a hydrophobic microfiltration membrane and kept there by capillary forces [ 71 ]. SLMs have been tested in the separation and recovery of various metal ions [ 72 , 73 , 74 , 75 ], anions [ 76 ], molecules of biological interest, and organics [ 65 , 77 , 78 ] from different aqueous media.…”

Section: Hmps Obtained By Coupling Membrane Processes With Solventmentioning

confidence: 99%

“…On this basis, the development of methods for selective recovery of lithium from lithium-rich brines represents an important research topic. Starting from this consideration, Zante et al [ 74 ] demonstrated the possibility to applicate a supported liquid membrane (SLM) for the separation of lithium from highly concentrated sodium solutions with very high selectivity. Among various acidic extracting agents, heptafluoro-dimethyloctanedione (HFDOD) was the most efficient when used in synergistic combination with tri-n-octylphosphine oxide (TOPO) diluted in dodecane.…”

Section: Hmps Obtained By Coupling Membrane Processes With Solventmentioning

confidence: 99%

“…Despite the above mentioned advantages of LM techniques with respect to traditional ones and the encouraging results obtained by using SLM in the separation and recovery of different solutes from aqueous media, low stability of SLM remains a key issue for the large scale application of SLMs [ 72 , 74 , 76 ]. SLM instability is mainly due to the gradual loss of the LM phase out of the pores of the support, with its substitution with the aqueous solutions, thus creating water channels influencing both the flux and the selectivity [ 82 , 83 ].…”

Section: Hmps Obtained By Coupling Membrane Processes With Solventmentioning

confidence: 99%

“… Lithium permeability (P Li ) and sodium permeability (P Na ) versus initial sodium/lithium molar ratio in the aqueous feed phase. Feed phase: LiCl (1 mmol L −1 ), NaCl (variable), pH = 12 [ 74 ]. …”

Section: Figurementioning

confidence: 99%

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Application of Hybrid Membrane Processes Coupling Separation and Biological or Chemical Reaction in Advanced Wastewater Treatment

2020

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The rapid urbanization and water shortage impose an urgent need in improving sustainable water management without compromising the socioeconomic development all around the world. In this context, reclaimed wastewater has been recognized as a sustainable water management strategy since it represents an alternative water resource for non-potable or (indirect) potable use. The conventional wastewater remediation approaches for the removal of different emerging contaminants (pharmaceuticals, dyes, metal ions, etc.) are unable to remove/destroy them completely. Hybrid membrane processes (HMPs) are a powerful solution for removing emerging pollutants from wastewater. On this aspect, the present paper focused on HMPs obtained by the synergic coupling of biological and/or chemical reaction driven processes with membrane processes, giving a critical overview and particular emphasis on some case studies reported in the pertinent literature. By using these processes, a satisfactory quality of treated water can be achieved, permitting its sustainable reuse in the hydrologic cycle while minimizing environmental and economic impact.

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Green Recycling Methods to Treat Lithium‐Ion Batteries E‐Waste: A Circular Approach to Sustainability

et al. 2021

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E‐waste generated from end‐of‐life spent lithium‐ion batteries (LIBs) is increasing at a rapid rate owing to the increasing consumption of these batteries in portable electronics, electric vehicles, and renewable energy storage worldwide. On the one hand, landfilling and incinerating LIBs e‐waste poses environmental and safety concerns owing to their constituent materials. On the other hand, scarcity of metal resources used in manufacturing LIBs and potential value creation through the recovery of these metal resources from spent LIBs has triggered increased interest in recycling spent LIBs from e‐waste. State of the art recycling of spent LIBs involving pyrometallurgy and hydrometallurgy processes generates considerable unwanted environmental concerns. Hence, alternative innovative approaches toward the green recycling process of spent LIBs are essential to tackle large volumes of spent LIBs in an environmentally friendly way. Such evolving techniques for spent LIBs recycling based on green approaches, including bioleaching, waste for waste approach, and electrodeposition, are discussed here. Furthermore, the ways to regenerate strategic metals post leaching, efficiently reprocess extracted high‐value materials, and reuse them in applications including electrode materials for new LIBs. The concept of “circular economy” is highlighted through closed‐loop recycling of spent LIBs achieved through green‐sustainable approaches.

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Highly selective transport of lithium across a supported liquid membrane

Cited by 32 publications

References 41 publications

Technology for the Recovery of Lithium from Geothermal Brines

Technology for the Recovery of Lithium from Geothermal Brines

Application of Hybrid Membrane Processes Coupling Separation and Biological or Chemical Reaction in Advanced Wastewater Treatment

Green Recycling Methods to Treat Lithium‐Ion Batteries E‐Waste: A Circular Approach to Sustainability

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