First Water-to-Ligand Substitution Dictates Co ²⁺ /Ni ²⁺ Extraction Selectivity

Kailong Zhang; Yuxuan Zhang; Bin Ji; R. Q. Honaker; Isabel C. Escobar; Jian Shi; Qing Shao

doi:10.1039/d6cp00202a

January 1, 2026Physical Chemistry Chemical PhysicsOpen Access

First Water-to-Ligand Substitution Dictates Co ²⁺ /Ni ²⁺ Extraction Selectivity

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Key Points

The aim is to establish how water-to-ligand substitution influences the extraction selectivity of Co2+ and Ni2+ ions.
Developed ligands for ion extraction
Evaluated ionic selectivity in controlled conditions
Analyzed solvent extraction efficiency
Demonstrated significant differences in selectivity between Co2+ and Ni2+ for selected ligands
Achieved higher extraction efficiency for Co2+ under specific conditions
Indicated potential for optimizing ligand design to enhance metal recovery

Implication

Evaluates ionic selectivity of ligands in metal extraction, highlighting potential for improved recovery methods.

Abstract

Solvent extraction is a crucial technology for the large-scale recovery of critical metals. One key challenge is to develop ligands with high ionic selectivity, especially for ions with similar properties....

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Cite This Study

Zhang et al. (2026) studied this question.

synapsesocial.com/papers/6a211780d499ed480b170501 https://doi.org/10.1039/d6cp00202a

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First Water-to-Ligand Substitution Dictates Co ²⁺ /Ni ²⁺ Extraction Selectivity

Key Points

Implication

Abstract

Discussion

Cite This Study

First Water-to-Ligand Substitution Dictates Co ²⁺ /Ni ²⁺ Extraction Selectivity

Key Points

Implication

Abstract

Discussion

Cite This Study

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