Tailoring Biomass-Derived Organosolv Lignin Derivatives for High-Capacity Adsorption of Rhodamine B.

ABSTRACT: The valorization of biomass into renewable, high-performance, adsorbent materials offers a sustainable alternative to conventional synthetic sorbents. In this study, we investigate the potential of lignin derivatives as efficient adsorbents for removing the cationic dye Rhodamine B (RhB) from aqueous solutions. Five organosolv lignin derivatives were synthesized via a one-step process using phenol, catechol, resorcinol, pyrogallol, and hydroquinone as phenolic modifiers to introduce structural diversity. The influence of these modifications on the materials' physicochemical properties and adsorption behavior was examined. Comprehensive characterization included ³¹P NMR, Brunauer-Emmet-Teller surface area analysis, size exclusion chromatography, thermogravimetric analysis, and dy

SUBMITTER: Bhattacharya S 

PROVIDER: S-EPMC12904731 | biostudies-literature | 2026 Feb

REPOSITORIES: biostudies-literature