Recyclable chitosan–biochar biocomposite films for sustainable removal of congo red dye pollutants from water

RSC Advances 2026 Open access

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Authors: René Blaise Ngouateu Lekene, Mária Kováčová, Christian Brice Dantio Nguela, Matej Mičušík, Alena Opálková Šišková, Anna Vykydalová, Hamed Peidayesh, Kouotou Daouda, Peter Machata, Ndi Juluis Nsami, Angela Kleinová, Julien Parmentier
+1 more Zdenko Špitálský
DOI: 10.1039/d6ra01186a
Cited by: 4
References: 87

Abstract

BBC retained up to 79% of its adsorption capacity after four adsorption-desorption cycles, confirming its reusability. The CR adsorption mechanism involves electrostatic attraction, π-π stacking, H-bonding, n-π interaction, imine and sulfone bridging. The environmentally friendly preparation, low cost, and easy regeneration of the prepared chitosan-biochar biocomposite films offer a promising sustainable solution for remediating dye-contaminated water.

Fields of Study & Subjects

Adsorption and biosorption for pollutant removal Nanocomposite Films for Food Packaging Advanced Cellulose Research Studies

Publication details

Journal / source
RSC Advances
Publisher
Royal Society of Chemistry (RSC)
Volume
16
Issue
23
Pages
20715–20732
Publication date
1 January 2026
Language
EN