Official PDF Translation•Chinese Journal of Chemical Engineering

Fabrication of graphene oxide decorated with poly(dimethyl amino ethyl methacrylate) brush for efficient Cr(VI) adsorption from aqueous solution

Authors: Alireza Nouri; Siew Fen Chua; Ebrahim Mahmoudi; Abdul Wahab Mohammad; Wei Lun Ang

DOI: 10.1016/j_cjche_144878852Status: Verified Translated Edition

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Key Findings in This Report

• GO-PDMAEMA nanocomposites synthesized via ATRP show high Cr(VI) adsorption capacity up to 164.4 mg·g−1. • Adsorption follows pseudo-second-order kinetics and is controlled by both surface adsorption and intraparticle diffusion. • The adsorbents retain over 85% capacity after five adsorption-desorption cycles, indicating good reusability. • Electrostatic interactions between protonated nitrogen groups and Cr(VI) anions drive the efficient removal.