Current Developments in Chitosan‐Based Hydrogels for Water and Wastewater Treatment: A Comprehensive Review

ChemistrySelect, Journal Year: 2025, Volume and Issue: 10(6)

Published: Feb. 1, 2025

Abstract The global shortage of fresh water is a critical issue, especially in regions with limited rainfall. Developing reliable and wastewater treatment technologies urgent. Among the available methods, adsorption stands out as highly effective, straightforward, cost‐efficient approach. It avoids use additional chemicals reduces risk contaminating source undesirable by‐products. Chitosan (CS)‐based hydrogels have gained attention for their excellent capacities pollutants water. These materials are also known bioavailability, biocompatibility, biodegradability, cost‐effectiveness, environmental friendliness, making them promising candidates treatment. This comprehensive review explores recent advancements CS‐based various applications, including pollutant removal, oil‐water separation, seawater desalination, atmospheric condensation. highlights benefits this material treatment, providing broader understanding potential research community. focuses on synthesis modification techniques these hydrogels, such cross‐linking, grafting, ion imprinting, which significantly enhance performance mechanical stability. Additionally, challenges faced by practical applications discussed, along solutions. paper concludes forecasting future directions field, offering valuable insights researchers. Overall, provides overview current state art into effective utilization emphasizing to address pollution challenges.

Language: Английский

Application of Textile Composite Materials as a Sorbent for Cleaning Up Oil Spills

Materials, Journal Year: 2025, Volume and Issue: 18(5), P. 1146 - 1146

Published: March 4, 2025

This article compares two new textile materials used to clean up spills of oil or products (crude oil, diesel fuel, and base SN 150). The plain-woven cotton fabric is hydrophilic, with a typical porous structure. After coating layer chitosan modified benzaldehyde cross-linked glutaraldehyde (CB), its hydrophobicity increases, hence the sorption affinity hydrophobic hydrocarbons. Including in situ synthesized zinc oxide particles (CBZ) changes structure increases capacity. morphology layers was assessed using scanning electron microscopy (SEM) by comparing contact angles pollutants against composite materials. EDX analysis mapping for Zn element show that homogeneously distributed on surface. roughness enhancement mesoporous under influence were established Brunauer Emmett Teller (BET) method atomic force (AFM). advantages composites are their flexibility, stability, ability float water wipe spills. It found can be successfully regenerated repeatedly, making them highly effective because sorbed crude petroleum separated utilized.

Language: Английский

Exploiting bulk adsorption sites in composite particles via pore engineering for efficient wastewater treatment

Journal of Cleaner Production, Journal Year: 2024, Volume and Issue: unknown, P. 144323 - 144323

Published: Nov. 1, 2024

Language: Английский