Preparation of high hydrophilic H2TiO3 ion sieve for lithium recovery from liquid lithium resources

Extraction of lithium from liquid lithium resources has become a popular research field, among which H2TiO3 material has great application potential. In this work, we further explored the correlation that the hydrophilicity of H2TiO3 with its adsorption performance based on the existing work. The double surfactants method was used to regulate the morphology and hydrophilic functional groups of the surface to regulate the material hydrophilia and prepare nano-sized lithium ion sieve. The effect of surfactant and preparation method on the hydrophilicity and adsorption properties of the materials were investigated. The results show that the synthesized lithium ion sieve H2TiO3-4 (HTO-4) has excellent hydrophilicity and adsorption performance reflected with the maximum adsorption capacity of 56.03 mg.g(-1). Meanwhile, the adsorption capacity loss of the material is only 3.8 % after five cycles, which shows a satisfactory cyclic stability.

Automated summary

Extraction of lithium from liquid lithium resources using H2TiO3 material as an adsorbent is a popular research field. In this study, the correlation between the hydrophilicity of H2TiO3 and its adsorption performance was further explored. The morphology and hydrophilic functional groups of the surface were regulated using the double surfactants method to prepare nano-sized lithium ion sieve. The synthesized H2TiO3-4 (HTO-4) exhibited excellent hydrophilicity and adsorption performance with a maximum adsorption capacity of 56.03 mg.g(-1) and a low adsorption capacity loss of only 3.8% after five cycles, demonstrating satisfactory cyclic stability.