Title: Diclofenac removal by bimetallic Benjamina nZV iron/copper particles from aqueous solutions

Authors: Hossam Mohammed Abdel-Aziz; Rabie Saad Farag; Soha Ali Abdel-Gawad

Addresses: Chemical Industries Development (CID) Company, Giza, Egypt ' Chemistry Department, Faculty of Science, Al-Azhar University, Cairo, Egypt ' Chemistry Department, Faculty of Science, Cairo University, Giza, Egypt

Abstract: Bimetallic zero-valent iron/copper NPs were successfully prepared by green synthesis approach using Ficus Benjamina leaves extract (FB-nZVFe/ Cu). Scanning electron microscope (SEM), Fourier transform infrared spectroscopy (FT-IR), and dispersive X-ray spectroscopy (EDAX) indicating the synthesising of bimetallic Ficus-ZVFe/Cu nanoparticles. The removal efficiency of diclofenac sodium (50 mg L^-1) reached 95% under the condition [0.5 g L^-1, 45 min, and pH4]. The adsorption data are more appropriate by the Langmuir model [R² = 0.9983] with q_max = 155.6 mg g^-1. Results of adsorption kinetics indicate that DFS uptake on FB-Fe/Cu nanoparticles is following the pseudo-second-order. Overall, FB-Fe/Cu nanoparticles are a committed green substance to remove DFS. Operating parameters effect was investigated using linear regression analysis SPSS, and they were found to account for more than 98% of the variables that affect on the removal process.

Keywords: diclofenac sodium; bimetallic Fe/Cu; zero-valent; Ficus Benjamina; green synthesised; adsorption.

DOI: 10.1504/IJEWM.2022.128217

International Journal of Environment and Waste Management, 2022 Vol.30 No.3, pp.324 - 341

Received: 21 Oct 2019
Accepted: 23 Jun 2020
Published online: 12 Jan 2023 *

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