The State of the Art of Novel Adsorbents and Adsorption Methods for Pollutants

Dear Colleagues,

The increasing complexity and diversity of environmental pollutants generated by industrial, agricultural, and urban activities demand advanced treatment technologies that go beyond conventional approaches. Adsorption remains one of the most effective and flexible strategies for pollutant removal; however, its performance strongly depends on the development of innovative adsorbent materials and advanced adsorption methodologies. Recent progress in materials science, surface engineering, and process integration has led to the emergence of a wide variety of novel adsorbents, hybrid systems, and post-modified materials with enhanced selectivity, capacity, stability, and sustainability.

This Special Issue, “The State of the Art of Novel Adsorbents and Adsorption Methods for Pollutants”, aims to collect high-quality original research articles and comprehensive reviews addressing the design, synthesis, modification, characterization, and application of advanced adsorbent materials, not limited to Metal–Organic Frameworks (MOFs). Contributions on novel porous materials, hybrid and composite systems, surface-functionalized adsorbents, and post-synthetic or post-treatment modification strategies are particularly encouraged. Studies exploring adsorption mechanisms, emerging contaminants, gas- and liquid-phase adsorption, kinetics and thermodynamics, sustainable and green materials, as well as adsorbent regeneration, stability, and process scalability are highly welcomed.

Topics include, but are not limited to, the following:

• Novel porous adsorbents and advanced material design;
• Metal–Organic Frameworks (MOFs), COFs, zeolites, carbons, and bio-based adsorbents;
• Hybrid, composite, and multifunctional adsorbent systems;
• Surface functionalization and post-synthetic modification techniques;
• Adsorption mechanisms and structure–property relationships;
• Removal of emerging and priority pollutants;
• Gas-phase and liquid-phase adsorption processes;
• Adsorption kinetics, thermodynamics, and modeling;
• Sustainable, green, and circular economy-based adsorbents;
• Regeneration, stability, and long-term performance of adsorbents;
• Scale-up, process integration, and industrial applications.

Prof. Dr. Ismael Alejandro Aguayo-Villarreal
Prof. Dr. Cintia Karina Rojas-Mayorga
Guest Editors

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