Magnetic chitosan kaolinite cellulose nanofibril cryogel beads for efficient removal of methylene blue from water.

ABSTRACT: Using a green freeze gelation and genipin crosslinking technique, chitosan (C), kaolinite (K), cellulose nanofibrils (CNF), and Fe₃O₄ nanoparticles were combined to create CK-CNF-Fe cryogel beads, a novel magnetic composite. Freeze gelation was used to create the beads, which were then cross linked using genipin, a non-toxic natural cross linker, and Fe₃O₄ nanoparticles were included in situ. The addition of genipin guarantees the material's safe application in wastewater treatment while also enhancing its eco-friendliness. With an average pore width of about 11 μm, an average bead diameter of 1.7 mm, and a specific surface area of 230 m² g⁻¹, the beads displayed a macroporous three dimensional structure. The maximum adsorption capacity was 812 m

SUBMITTER: Fayad E 

PROVIDER: S-EPMC12639144 | biostudies-literature | 2025 Nov

REPOSITORIES: biostudies-literature