Utilization of Adsorbent Materials for the Efficient Separation of Ions from Salt Lake Brines

Dear Colleagues,

The growing global demand for critical minerals has directed significant attention toward salt lake brines as a vital resource for extracting lithium, rubidium, caesium, boron, bromine, and other valuable ions. However, the complex ionic composition and extreme salinity of these brines pose substantial challenges for selective ion separation. Adsorption-based technologies, enabled by advanced functional materials, offer a promising route due to their high selectivity, reusability, and process simplicity.

This Special Issue is dedicated to showcasing innovative research and recent advancements in the design, synthesis, and application of functional adsorbent materials, such as nanomaterials, metal–organic frameworks, ion-imprinted polymers, and biomaterials, for efficient ion recovery from salt lake brines. Contributions addressing adsorbent design and preparation, adsorption mechanisms, and the development of adsorption separation processes are particularly encouraged. We invite original research articles, reviews, and short communications that advance fundamental understanding and practical implementation of adsorption technologies in brine processing, with the goal of improving ion separation efficiency and achieving the green and sustainable recovery of key strategic resources from salt lakes.

Prof. Dr. Sen Lin
Dr. Jun Chen
Dr. Hao Jiang
Guest Editors

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