Advanced Journal of Chemistry, Section A
5.9(Q2)
CiteScore
31
h-index

Enhanced Trypan Blue Removal from Wastewater using Surface-Modified MOF-5 Adsorbents

Articles in Press

Document Type : Original Research Article

Authors

Hassan Aberrwaila 1, 2
Hajer Chemingui 2
Amor Hafiane 2
Madiha Kamoun 2

1 Chemistry Department, Faculty of Science, Al-Manar University, Tunisia, Tunisia

2 Laboratory of Water, Membranes and Environmental Biotechnology, Water Researches and Technologies Center, BP 273, Soliman 8020, Tunisia

10.48309/ajca.2026.562486.1983
Abstract
The present study shows the synthesis of porous materials MOF-5 via a solvothermal method for wastewater treatment, particularly in the processes of capturing and removing Trypan Blue (TB) dye from water. The structural and morphological properties of the synthesized MOF-5 were characterized using X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FT-IR), scanning electron microscopy (SEM), and thermogravimetric analysis (TGA). At optimized conditions (pH = 3, T = 25 °C), MOF-5 demonstrated a maximum TB removal efficiency of 77%. Adsorption isotherm studies indicated that the process was best described by the Langmuir model, suggesting monolayer adsorption with a calculated maximum adsorption capacity (Qmax) of 25 mg/g. Kinetic studies showed that the adsorption followed a pseudo-second-order model. Furthermore, thermodynamic parameters confirmed that the adsorption process was spontaneous and endothermic. These findings demonstrate that MOF-5 is a promising adsorbent for dye removal from wastewater, with potential for scaling up from laboratory to industrial applications.

Graphical Abstract

Enhanced Trypan Blue Removal from Wastewater using Surface-Modified MOF-5 Adsorbents

Keywords

Adsorption
MOF-5
Wastewater
Dye removal
Isotherm

Subjects

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Advanced Journal of Chemistry, Section A

Articles in Press, Accepted Manuscript
Available Online from 19 February 2026

  • Receive Date 27 November 2025
  • Revise Date 07 January 2026
  • Accept Date 15 February 2026

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