article · Scientific Reports

In situ assembled MIL-101(Cr) composite functionalized with chitosan and tannic acid as an efficient adsorbent for Pb2+ removal from aqueous solutions

Mohamed Hemdan
Dalal Nasser Binjawhar
Haitham lbrahim El-Mekkawy
Eman Fayad
H. S. Ali
Mahmoud F. Mubarak

20261 citationOpen accessBadr University in Cairo

Abstract

= 0.999/0.998 and RMSE = 0.93/1.08, suggesting monolayer adsorption. Thermodynamic analysis confirmed spontaneous and endothermic behavior (ΔH° = 85.84 ± 2.74 kJ/mol). After undergoing six regeneration cycles, the composite maintained an efficiency of 90.24 ± 0.6%, highlighting its strong reusability and suitability for long-term, eco-friendly water purification efforts.

Research topics

Adsorption and biosorption for pollutant removal
Metal-Organic Frameworks: Synthesis and Applications
Chemical Synthesis and Characterization

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DOI: 10.1038/s41598-026-45525-x

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