Adsorbents for lithium extraction from salt lake brine with high magnesium/lithium ratio: From structure-performance relationship to industrial applications

Zhang, Lingjie; Zhang, Tingting; Lv, Shuaike; Song, Shaoxian; Galván, Hiram Joazet Ojeda; Quintana, Mildred; Zhao, Yunliang

doi:10.1016/j.desal.2024.117480

Desalination

2024

DOI: 10.1016/j.desal.2024.117480

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Adsorbents for lithium extraction from salt lake brine with high magnesium/lithium ratio: From structure-performance relationship to industrial applications

Lingjie Zhang,

Tingting Zhang,

Shuaike Lv

et al.

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2024

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Cited by 35 publications

References 209 publications

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A Bioinspired Membrane with Ultrahigh Li⁺/Na⁺ and Li⁺/K⁺ Separations Enables Direct Lithium Extraction from Brine

Fan,

Ren,

Zhang

et al. 2024

Advanced Science

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Membranes with precise Li+/Na+ and Li+/K+ separations are imperative for lithium extraction from brine to address the lithium supply shortage. However, achieving this goal remains a daunting challenge due to the similar valence, chemical properties, and subtle atomic‐scale distinctions among these monovalent cations. Herein, inspired by the strict size‐sieving effect of biological ion channels, a membrane is presented based on nonporous crystalline materials featuring structurally rigid, dimensionally confined, and long‐range ordered ion channels that exclusively permeate naked Li+ but block Na+ and K+. This naked‐Li+‐sieving behavior not only enables unprecedented Li+/Na+ and Li+/K+ selectivities up to 2707.4 and 5109.8, respectively, even surpassing the state‐of‐the‐art membranes by at least two orders of magnitude, but also demonstrates impressive Li+/Mg2+ and Li+/Ca2+ separation capabilities. Moreover, this bioinspired membrane has to be utilized for creating a one‐step lithium extraction strategy from natural brines rich in Na+, K+, and Mg2+ without utilizing chemicals or creating solid waste, and it simultaneously produces hydrogen. This research has proposed a new type of ion‐sieving membrane and also provides an envisioning of the design paradigm and development of advanced membranes, ion separation, and lithium extraction.

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A Bioinspired Membrane with Ultrahigh Li⁺/Na⁺ and Li⁺/K⁺ Separations Enables Direct Lithium Extraction from Brine

Fan,

Ren,

Zhang

et al. 2024

Advanced Science

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Polyethyleneimine‐Templated ZIF‐8 Nanoparticles Impart the Nanofiltration Membrane with High Mg²⁺/Li⁺ Separation Performance

Dong,

Bai,

Xiao

et al. 2024

ChemSusChem

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MOFs‐modified nanofiltration (NF) membranes have been gained a lot of attention due to their favorable permeability and ion selectivity. Nevertheless, the prevailing preparation techniques are afflicted by the incompatibility of MOFs with polymers and the facile loss of MOFs. In this work, polyethyleneimine (PEI) ‐templated ZIF‐8 (PEI‐ZIF‐8) was synthesized and incorporated into the PEI aqueous solution, then interfacial polymerized with trimesoyl chloride (TMC) to obtain the PEI‐ZIF‐8 modified polyamide NF membrane. This PEI modified strategy could endow the ZIF‐8 nanoparticles with positively charged properties to avoid the aggregation and increase the interfacial compatibility with the polyamide. Meanwhile, the appropriate pore size of ZIF‐8 (3.4 Å), which is between the hydration sheath surrounding of Li+ (2 Å) and Mg2+ (4.2 Å) impart the membrane with precise Mg2+/Li+ separation ability. The optimal PEI‐ZIF‐8‐TMC membrane exhibits a permeance of 9 L/h m2bar and a Mg2+/Li+ selectivity of 19, both of which surpass the performance of the pure PEI‐TMC membrane, which has a permeance of 4 L/h m2bar and a Mg2+/Li+ selectivity of 11. Meanwhile, the membrane exhibited excellent long‐term stability of 85h. This novel approach to preparing MOFs‐modified NF membrane represents a promising avenue for the separation of lithium and magnesium.

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Preparation, Characterization, and Adsorption Performance of H₂TiO₃ Lithium Ion Sieves with Homogeneous Nanoparticles: Kinetics, Thermodynamics, and Mechanism Analysis

Liu,

Xu,

Shi

et al. 2024

ChemistrySelect

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Li2TiO3 precursor with layered structure is successfully prepared by template‐free method using anatase TiO2 and Li2CO3, followed by the treatment of dilute hydrochloric acid, which leads to obtaining H2TiO3 lithium ion sieve nanoparticles with uniform dispersion and small size. The adsorption performance and mechanism of the H2TiO3 are being studied. The experimental results show that the H2TiO3 lithium ion sieve has a large BET specific surface area (19.10 m2 g−1) and good thermal stability. At the same time, it also has a high adsorption rate and adsorption capacity (55.13 mg g−1) towards Li+ in solution due to its high dispersibility and uniformity of particle size, which can expose more adsorption sites in LiCl solution. The adsorption capacity of the H2TiO3 lithium ion sieve can reach 46.63 mg g−1, which achieves 84.58% of the equilibrium adsorption capacity. The equilibrium adsorption parameters follow the Langmuir model perfectly, demonstrating that Li+ undergoes monolayer adsorption. The results of thermodynamic and kinetic analysis show that the adsorption behavior of H2TiO3 is spontaneous and conforms to the pseudo‐second‐order kinetic model, indicating the adsorption process is controlled by chemosorption. In addition, after five adsorption/desorption cycles, the H2TiO3 lithium ion sieve still shows a high adsorption capacity of 46.15 mg g−1, and the dissolution loss of titanium is only 0.14%, which shows that the cycle stability is excellent. XPS and zeta potential analyses illustrate that the adsorption mechanism of Li+ on the H2TiO3 is an ion exchange reaction between Li+ and H+, combined with the electrostatic attraction of the adsorbent surface. Additionally, the adsorption performance of H2TiO3 lithium ion sieve in West Taijinaier Salt Lake brine was tested, and the adsorbent material proves itself is a perspective candidate for lithium extraction from aqueous lithium resources.

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Adsorbents for lithium extraction from salt lake brine with high magnesium/lithium ratio: From structure-performance relationship to industrial applications

Cited by 35 publications

References 209 publications

A Bioinspired Membrane with Ultrahigh Li⁺/Na⁺ and Li⁺/K⁺ Separations Enables Direct Lithium Extraction from Brine

A Bioinspired Membrane with Ultrahigh Li⁺/Na⁺ and Li⁺/K⁺ Separations Enables Direct Lithium Extraction from Brine

Polyethyleneimine‐Templated ZIF‐8 Nanoparticles Impart the Nanofiltration Membrane with High Mg²⁺/Li⁺ Separation Performance

Preparation, Characterization, and Adsorption Performance of H₂TiO₃ Lithium Ion Sieves with Homogeneous Nanoparticles: Kinetics, Thermodynamics, and Mechanism Analysis

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Adsorbents for lithium extraction from salt lake brine with high magnesium/lithium ratio: From structure-performance relationship to industrial applications

Cited by 35 publications

References 209 publications

A Bioinspired Membrane with Ultrahigh Li+/Na+ and Li+/K+ Separations Enables Direct Lithium Extraction from Brine

A Bioinspired Membrane with Ultrahigh Li+/Na+ and Li+/K+ Separations Enables Direct Lithium Extraction from Brine

Polyethyleneimine‐Templated ZIF‐8 Nanoparticles Impart the Nanofiltration Membrane with High Mg2+/Li+ Separation Performance

Preparation, Characterization, and Adsorption Performance of H2TiO3 Lithium Ion Sieves with Homogeneous Nanoparticles: Kinetics, Thermodynamics, and Mechanism Analysis

Contact Info

Product

Resources

About

A Bioinspired Membrane with Ultrahigh Li⁺/Na⁺ and Li⁺/K⁺ Separations Enables Direct Lithium Extraction from Brine

A Bioinspired Membrane with Ultrahigh Li⁺/Na⁺ and Li⁺/K⁺ Separations Enables Direct Lithium Extraction from Brine

Polyethyleneimine‐Templated ZIF‐8 Nanoparticles Impart the Nanofiltration Membrane with High Mg²⁺/Li⁺ Separation Performance

Preparation, Characterization, and Adsorption Performance of H₂TiO₃ Lithium Ion Sieves with Homogeneous Nanoparticles: Kinetics, Thermodynamics, and Mechanism Analysis